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1.
Braz. j. biol ; 842024.
Article in English | LILACS-Express | LILACS, VETINDEX | ID: biblio-1469345

ABSTRACT

Abstract The use of alternative nutritional sources is an important topic for animal production such as poultry. This study examined the effect of replacing soybean meal with sunflower leaf meal in the diet of laying shaver brown pullets. A total of 30 laying birds were assigned to three treatments of 0% (as control group), 10% and 15% MSFLM inclusion. Four eggs per replicate were randomly taken for three consecutive days at two weeks interval for five times, and 18 weeks individuals were selected after 40 days of experimental time. External parameters of the eggs (egg weight, egg length, egg breadth and egg shape index, shell thickness), and body parameters (Final body weight, weight gain), feed intake and hen day production were measured. For egg length, egg breadth and shell thickness showed significant difference (p 0.05) in from the control birds. Final body weight, weight gain, feed intake and hen day production showed comparable results with values from eggs of birds on control diet. The study revealed the ability of birds to easily utilize the nutrients in the protein sources. MSFLM utilization up to 15% in pullets diet revealed no detrimental effect on the performance of the laying birds and the external qualities of eggs produced.


Resumo O uso de fontes nutricionais alternativas é um tópico importante para a produção animal, como a avicultura. Este estudo examinou o efeito da substituição do farelo de soja por farelo de folha de girassol na dieta de frangas marrons barbeadoras poedeiras. Um total de 30 aves poedeiras foram designadas a três tratamentos de 0% (como grupo controle), 10% e 15% de inclusão MSFLM. Quatro ovos por repetição foram retirados aleatoriamente por três dias consecutivos em intervalos de duas semanas por cinco vezes, e indivíduos de 18 semanas foram selecionados após 40 dias do tempo experimental. Parâmetros externos dos ovos (peso do ovo, comprimento do ovo, largura do ovo e índice de forma do ovo, espessura da casca) e parâmetros corporais (peso corporal final, ganho de peso), consumo de ração e produção diária da galinha foram medidos. Para comprimento do ovo, largura do ovo e espessura da casca apresentaram diferença significativa (p 0,05) nas aves controle. Peso corporal final, ganho de peso, consumo de ração e produção de dia de galinha mostraram resultados comparáveis com valores de ovos de aves em dieta controle. O estudo revelou a capacidade das aves de utilizar facilmente os nutrientes das fontes de proteína. A utilização de MSFLM até 15% na dieta das frangas não revelou nenhum efeito prejudicial no desempenho das aves poedeiras e nas qualidades externas dos ovos produzidos.

2.
Braz. j. biol ; 84: e243238, 2024. tab
Article in English | LILACS, VETINDEX | ID: biblio-1360207

ABSTRACT

The use of alternative nutritional sources is an important topic for animal production such as poultry. This study examined the effect of replacing soybean meal with sunflower leaf meal in the diet of laying shaver brown pullets. A total of 30 laying birds were assigned to three treatments of 0% (as control group), 10% and 15% MSFLM inclusion. Four eggs per replicate were randomly taken for three consecutive days at two weeks interval for five times, and 18 weeks individuals were selected after 40 days of experimental time. External parameters of the eggs (egg weight, egg length, egg breadth and egg shape index, shell thickness), and body parameters (Final body weight, weight gain), feed intake and hen day production were measured. For egg length, egg breadth and shell thickness showed significant difference (p< 0.05) in from the control birds. Final body weight, weight gain, feed intake and hen day production showed comparable results with values from eggs of birds on control diet. The study revealed the ability of birds to easily utilize the nutrients in the protein sources. MSFLM utilization up to 15% in pullets' diet revealed no detrimental effect on the performance of the laying birds and the external qualities of eggs produced.


O uso de fontes nutricionais alternativas é um tópico importante para a produção animal, como a avicultura. Este estudo examinou o efeito da substituição do farelo de soja por farelo de folha de girassol na dieta de frangas marrons barbeadoras poedeiras. Um total de 30 aves poedeiras foram designadas a três tratamentos de 0% (como grupo controle), 10% e 15% de inclusão MSFLM. Quatro ovos por repetição foram retirados aleatoriamente por três dias consecutivos em intervalos de duas semanas por cinco vezes, e indivíduos de 18 semanas foram selecionados após 40 dias do tempo experimental. Parâmetros externos dos ovos (peso do ovo, comprimento do ovo, largura do ovo e índice de forma do ovo, espessura da casca) e parâmetros corporais (peso corporal final, ganho de peso), consumo de ração e produção diária da galinha foram medidos. Para comprimento do ovo, largura do ovo e espessura da casca apresentaram diferença significativa (p <0,05) nas aves controle. Peso corporal final, ganho de peso, consumo de ração e produção de dia de galinha mostraram resultados comparáveis ​​com valores de ovos de aves em dieta controle. O estudo revelou a capacidade das aves de utilizar facilmente os nutrientes das fontes de proteína. A utilização de MSFLM até 15% na dieta das frangas não revelou nenhum efeito prejudicial no desempenho das aves poedeiras e nas qualidades externas dos ovos produzidos.


Subject(s)
Animals , Poultry/growth & development , Chickens/growth & development , Diet , Helianthus
3.
CienciaUAT ; 18(1): 178-190, jul.-dic. 2023. tab, graf
Article in Spanish | LILACS-Express | LILACS | ID: biblio-1513978

ABSTRACT

RESUMEN Por su alto valor nutricional, el frijol común (Phaseolus vulgaris L.) es la especie más importante para el consumo humano entre las leguminosas de grano comestibles. El objetivo de este estudio fue caracterizar 11 líneas RAZ de frijol común, promisorias por su resistencia contra Zabrotes subfasciatus Boh. En octubre de 2019, se sembraron 11 líneas RAZ del Centro Internacional de Agricultura Tropical (CIAT), utilizando un diseño de bloques completos al azar en el Instituto Nacional de Ciencias Agrícolas (INCA), San José de Las Lajas, Cuba. Se evaluaron 22 caracteres cuantitativos y cualitativos del descriptor del frijol común y se realizaron análisis de frecuencia para las características cualitativas y estadígrafos básicos y análisis de componentes principales (ACP) de los atributos cuantitativos. Los caracteres con mayor variabilidad fueron el color primario de la semilla (reportándose 5 diferentes, y siendo el blanco sucio el más frecuente); el color predominante de la vaina en la madurez fisiológica (las cuales presentaron 4 variantes de color, principalmente verdes y amarillas); el aspecto de la testa (destacando el aspecto opaco, registrándose en 6 líneas); así como la ausencia del color alrededor del hilo en 10 de ellas. Los parámetros relacionados con el ciclo biológico presentaron menor variabilidad. El peso de 100 granos correspondió al tipo de grano pequeño. El rendimiento promedio fue 1 685 kg/ha, destacándose la línea 'RAZ 124' con 4 237 kg/ha. El ACP explicó el 61.82 % de la variabilidad total e integró las 11 líneas en 4 grupos que caracterizaron su comportamiento. Los resultados indican que las líneas estudiadas pueden incorporarse en el programa de mejoramiento del frijol en Cuba a través de su evaluación en diferentes ambientes regionales para la selección de posibles nuevos cultivares comerciales.


ABSTRACT Due to high nutritional value, common bean (Phaseolus vulgaris L.) is the most important species for human consumption among the food grain legumes. The objective of this study was to characterize 11 RAZ lines of common bean, promising for their resistance to the Mexican bean weevil (Zabrotes subfasciatus Boh.). In October 2019, 11 RAZ lines from the International Center for Tropical Agriculture (CIAT) were planted using a randomized complete block design at the National Institute of Agricultural Sciences (INCA), San José de las Lajas, Cuba. Twenty-two quantitative and qualitative traits of the common bean descriptors were used, and frequency analyses were performed for the qualitative traits and basic statistics and principal component analysis (PCA) were performed for the quantitative traits. The traits with greater variability were the primary seed color (5 different colors were reported, with dirty white being the most frequent); the predominant color of the pods at physiological maturity, (which presented 4 color variants, with green and yellow ones standing out); the opaque aspect of the coat stood out, being registered in 6 lines, as well as the absence of color around the hilum in 10 of them. All possible variants were found for the predominant appearance of the seed coat, predominant pro-file of the pod and presence of color around the hilum. Variables related to the biological cycle showed less variability. The weight of 100 grains corresponded to the small grains type. The average yield was 1 685 kg/ha, with the 'RAZ 124' line standing out with 4 237 kg/ha. The PCA explained 61.82 % of total variability and classified the 11 lines into four groups that characterize their performance. These results indicate that the lines under study can be incorporated into the vean breeding program in Cuba by means of their evaluation in different regional environments for the selection of possible new commercial cultivars.

4.
Rev. biol. trop ; 71abr. 2023.
Article in Spanish | LILACS-Express | LILACS | ID: biblio-1449486

ABSTRACT

Introducción: El mantenimiento de las comunidades coralinas depende directamente de la capacidad de los individuos para crecer como colonia. Dado que el crecimiento forma la base de la estructura física del arrecife, determinar la tasa de crecimiento de las especies de corales constructores y su respuesta a las variaciones ambientales nos permitirá identificar su potencial particular para implementar estrategias de restauración más efectivas. Objetivo: Determinar la tasa de crecimiento del coral constructor de arrecifes Pocillopora en todo el Pacífico Central Mexicano (PCM) y su relación con las fluctuaciones en las condiciones ambientales. Métodos: De agosto de 2019 a octubre de 2020, se monitorearon y trasplantaron un total de 153 fragmentos de coral ramificado del género Pocillopora como parte del programa de restauración en diferentes sitios de la PCM: Parque Nacional Islas Marietas y en la Caleta de Cuastecomates. Se calculó el crecimiento del coral (cm·año-1) y sobrevivencia (%), y se correlacionó con la temperatura, PAR y Kd490 para cada localidad. Resultados: Patrones similares en los parámetros examinados entre los fragmentos de coral fueron encontrados para todos los sitios, con un rango de sobrevivencia de 61.6 - 68 %, cuya mortalidad estuvo relacionada principalmente con huracanes y tormentas que afectaron la región. Sin embargo, la tasa de crecimiento oscila entre 2.0 - 8.0 cm·año-1, sin diferencias significativas entre localidades. Además, no se registraron diferencias en las condiciones ambientales entre las localidades. Conclusiones: Los corales ramificados del género Pocillopora presentan una tasa de crecimiento similar en sitios insulares y costeros de la PCM, por lo que se podría esperar que la implementación de un programa de restauración en toda esta región del Pacífico Mexicano sería potencialmente exitoso, ya que, las condiciones ambientales locales no son factores limitantes.


Introduction: The maintenance of the coral communities depends directly on the capacity of the individuals to grow as a whole colony. Since growth shapes the basis of the physical structure of the reef, determining the growth rate of builder coral-species and their response to environmental variations will allow us to identify their particular potential to implement more effective restoration strategies. Objective: To determine the growth rate of the reef-building coral Pocillopora throughout the Mexican Central Pacific (PCM) and its relationship with fluctuations in environmental conditions. Methods: From August 2019 - October 2020, a total of 153 branched coral fragments of the genus Pocillopora were monitored and transplanted as part of the restoration program in different PCM locations: Islas Marietas National Park and in the Caleta de Cuastecomates. Coral growth (cm·year-1) and survival rate (%), was calculated and correlated with temperature, PAR and Kd490 for each locality. Results: The results show similar patterns in the parameters examined among the coral fragments were found for all sites, with a survival range of 61.6 - 68 %, whose mortality was mainly related to hurricanes and storms that affected the region. However, growth rate range from 2.0 - 8.0 cm·year-1, with no significant differences between locations. Also, no differences in environmental conditions between locations were recorded. Conclusions: The branching corals of the genus Pocillopora present a similar growth rate in insular and coastal sites of the PCM, so it could be expected that the implementation of a restoration program throughout this region of the Mexican Pacific would be potentially successful, since local environmental conditions are not limiting factors.

5.
Rev. biol. trop ; 71abr. 2023.
Article in English | LILACS-Express | LILACS | ID: biblio-1449487

ABSTRACT

Introduction: Coral reef structures in Zihuatanejo, Guerrero are well-preserved. The coverage of living corals, near 60 % at several locations, makes them comparable to other coral reefs in the states of Oaxaca, Jalisco, and Nayarit and with high potential to promote their conservation. Objective: To present the outcome of 12 years of research in coral communities from Zihuatanejo, Guerrero, as a justifying argument for the current conservation efforts in the area. Methods: We developed a baseline on the conservation status of the reef structures, bioerosion processes and the source of major natural and anthropogenic impacts. We assessed the genetic diversity of the coral zooxanthellae symbionts, the outcome of a technique of coral transplantation to recover the coverage of living corals and the local ecological knowledge to involve local inhabitants to promote conservation. Results: At least five coral reefs remain exposed to a medium-low level of impact by bioerosion and anthropization. Coral transplantation experiments made in the area showed records of transplant survival nearing 90 %. Although the warming of the sea surface temperature that occurred during the El Niño of 2015-2016 caused coral bleaching and mortality in several coral populations in this area, there were no affectations attributed to this phenomenon in other locations. This response was not related to the level of exposure to anthropogenic impacts, and the presence of thermal resistant zooxanthellae was assessed using molecular tools, confirming the existence of zooxanthellae of the genus Durusdinium. The analysis of local ecological knowledge of the inhabitants of Zihuatanejo showed that they keep elaborate knowledge on the ecology of coral reefs. This is complemented with scientific knowledge that will encourage community participation in conservation strategies. Conclusions: A long-term multidisciplinary strategy is required for coral reef conservation that encompasses: 1) assessing the role of the overall holobiont in the thermal resistance of corals from this area and 2) establishing restoration strategies of coral reefs that include the local knowledge about marine ecology, for the establishment of coral reef protection and management schemes put in place by local inhabitants.


Introducción: Los arrecifes coralinos de Zihuatanejo Guerrero están bien conservados. La cobertura de corales vivos, cerca del 60 %, los hace comparables a otras comunidades coralinas presentes en Oaxaca, Jalisco y Nayarit y con un alto potencial para promover su conservación. Objetivo: Presentar los resultados de 12 años de investigación en las comunidades coralinas de Zihuatanejo, Guerrero, como un argumento que justifica los esfuerzos actuales de conservación en el área. Métodos: Desarrollamos una línea base del estado de conservación de la estructura arrecifal, los procesos de bioerosión y las fuentes principales de impactos naturales y antropogénicos. Evaluamos la diversidad genética de los simbiontes zooxantelados de los corales, el resultado de una técnica de trasplante de corales para recuperar la cobertura de corales vivos y el conocimiento ecológico local para desarrollar estrategias de conservación con participación local. Resultados: Cinco de esas comunidades coralinas permanecen expuestas a un nivel de impacto medio a bajo por bioerosión y antropización. Los experimentos de trasplante de corales en el área mostraron una supervivencia cercana al 90 %. Aunque el calentamiento de la temperatura superficial del mar ocurrido durante el evento El Niño 2015-16 causó blanqueamiento y mortalidad coralina en algunas poblaciones de corales del área, no hubo afectaciones atribuidas a este fenómeno en otras. Esta respuesta no se relacionó con el nivel de exposición a impactos antropogénicos y la presencia de poblaciones de zooxantelas fue examinada usando herramientas moleculares, confirmando la existencia de una población del género Durusdinium. El análisis del conocimiento ecológico local de los habitantes de Zihuatanejo mostró que estos resguardan conocimientos complejos sobre la ecología de las comunidades coralinas. Este conocimiento es complementario al conocimiento científico y servirá para promover estrategias de participación ciudadana en la conservación de las comunidades coralinas. Conclusiones: Se requiere una estrategia multidisciplinaria de largo plazo para la conservación de las comunidades coralinas que incluya: 1) examinar el papel del holobionte completo en la resistencia térmica de los corales de esta área y 2) establecer estrategias de restauración en arrecifes coralinos que incluyan el conocimiento ecológico local para el establecimiento de esquemas de protección y manejo de los arrecifes coralinos a cargo de los habitantes locales.

6.
Braz. J. Vet. Res. Anim. Sci. (Online) ; 60: e195697, 2023. graf, tab
Article in English | VETINDEX, LILACS | ID: biblio-1415368

ABSTRACT

To conduct ex-situ creole pig conservation programs, it is essential to determine which breeding animals will be used, preferentially those with a more significant Iberian genetic component to preserve their origin. This study used a Yucatan black hairless pigs (YBHP) subpopulation to estimate its genetic diversity and population structure. One hundred four adult pigs were selected for the absence of hair, black skin (without spots), black hoof, and straight snout. The porcine-GGP-50K chip was used for SNP genotyping in YBHP, and information on Iberian and Yucatán hairless pigs from the United States (USYU) was taken from databases. All analysis was performed using PLINK v1.9 and v2.1 software. Inbreeding and fixation index values were lower in YBHP, with high observed heterozygosity and allogamy index values, which agree with those obtained in the populations of Canarias and Chato Murciano. According to the clusters generated by the "Genome-Wide Identity by State" analysis, four groups were identified, one of which included pigs from Guadyerbas, USYU, and YBHP. Between populations, YBHP was closely related to the hairless pigs from Guadyerbas, USYU, and Canarias. Principal component analysis showed the same result. According to the results obtained from the runs of homozygosity investigation, aimed to get pools consensus of regions of overlapping, 119 SNPs associated with genes and biological processes were identified. The BMP7 and NSUN2 genes were associated with epithelial cell differentiation, morphogenesis, and epithelial development. For nutrient metabolism: energy, the HADHA, PPARA, ADD1/SREBF1, and FAT 1genes were identified.(AU)


Para realizar programas de conservação ex-situ de suínos crioulos, é importante determinar quais animais serão criados, preferencialmente aqueles com maior componente de genética ibérica, para preservar sua origem. Uma subpopulação de porco preto calvo de Yucatán (YBHP) foi usada para estimar sua diversidade genética e estrutura populacional. Um total de 104 suínos adultos foram selecionados levando-se em consideração características como ausência de pelos, pele preta (sem manchas), casco preto e focinho reto. O painel GGP-50K foi utilizado para a genotipagem dos SNPs em animais YBHP, e informações de porcos sem pelos ibéricos e de Yucatán dos Estados Unidos (USYU) foram retiradas de bancos de dados. Todas as análises foram realizadas com o software PLINK v1.9 e v2.1. Os valores dos índices de endogamia e fixação foram menores em YBHP, com altos valores de índice de heterozigosidade e alogamia observados, que concordam com os obtidos nas populações de Canárias e Chato Murciano. De acordo com os clusters gerados pela análise "Genoma-Wide Identity By State", quatro grupos foram identificados, um dos quais incluiu porcos de Guadyerbas, USYU e YBHP. Entre as populações, YBHP estava intimamente relacionado com os porcos sem pelo de Guadyerbas, USYU e Canárias. A análise de componentes principais mostrou o mesmo resultado. De acordo com os resultados obtidos nas corridas de investigação de homozigose, visando obter consenso de pools de regiões de sobreposição, foram identificados 119 SNPs associados a genes e processos biológicos. Os genes BMP7 e NSUN2 foram associados à diferenciação de células epiteliais, morfogênese e desenvolvimento epitelial. Para metabolismo de nutrientes: energia, os genes HADHA, PPARA, ADD1/SREBF1 e FAT1 foram identificados.(AU)


Subject(s)
Animals , Swine/genetics , Genetic Variation , Polymorphism, Single Nucleotide , Mexico
7.
Rev. biol. trop ; 70(1)dic. 2022.
Article in English | LILACS, SaludCR | ID: biblio-1407243

ABSTRACT

Abstract Introduction: Underwater visual censuses are the basis of many studies on fish ecology, however, a series of limitations and errors influence the traditional visual estimation of fish richness and abundance. Video techniques have been proposed to mitigate such errors, but there are few studies that compare the effectiveness of both methods. Objective: To compare the estimates obtained through the traditional census and the video census of the fish community of two localities in the central Mexican Pacific. Methods: We studied the fish community of two bays of Huatulco, Oaxaca, Mexico. We established sampling points in each bay and applied a traditional census and a diver-operated video census. We used comparison tests and analysis of similarity tests to compare richness, abundance and diversity by locality; and permutation tests for the same parameters at each sampling point. Results: Both censuses provide similar estimates regarding the richness, abundance, and diversity by locality and by sampling points. There were no statistically significant differences between traditional census and a diver-operated video census in terms of richness, abundance, and diversity. Conclusions: Video census using the diver-operated video technique can be used as a complement or as an alternative to traditional census. Its use can provide a more complete assessment, increase data acquisition, and implement long-term monitoring programs in areas where there are economic limitations for its operation.


Resumen Introducción: Los censos visuales submarinos son la base de muchos estudios sobre ecología de peces, sin embargo, una serie de limitaciones y errores influyen en la estimación visual tradicional de la riqueza y abundancia de peces. Se han propuesto las técnicas de video para mitigar tales errores, pero existen pocos estudios que comparen la efectividad de ambos métodos. Objetivo: Comparar las estimaciones obtenidas mediante el censo tradicional y el video censo de la comunidad de peces de dos localidades del Pacífico central mexicano. Métodos: Se estudió la comunidad de peces de dos bahías de Huatulco, Oaxaca, México. Se establecieron puntos de muestreo en cada bahía y se aplicó el censo tradicional y video censo operado por buzo. Se emplearon pruebas de comparación y análisis de pruebas de similitud para comparar riqueza, abundancia y diversidad por localidad; y pruebas de permutación para los mismos parámetros en cada punto de muestreo. Resultados: Ambos censos proporcionan estimaciones similares en cuanto a la riqueza, abundancia y diversidad por localidad y por punto de muestreo. No existieron diferencias estadísticamente significativas entre el censo tradicional y video censo operado por buzo respecto a riqueza, abundancia y diversidad. Conclusiones: El video censo mediante la técnica de video operado por buzo puede utilizarse como complemento o como alternativa al censo tradicional. Su uso puede proporcionar una evaluación más completa, aumentar la adquisición de datos e implementar programas de monitoreo a largo plazo en áreas donde existen limitaciones económicas para su operación.


Subject(s)
Animals , Data Collection , Fishes , Data Accuracy , Mexico
8.
Poblac. salud mesoam ; 20(1)dic. 2022.
Article in Spanish | LILACS-Express | LILACS | ID: biblio-1448835

ABSTRACT

Introducción: la pandemia por COVID-19 no solo ha impactado en el campo de la salud, sino también ha llevado a una crisis profunda a nivel social y económico. Atender las demandas de este virus conllevó la paralización de las actividades económicas en casi todo el globo. México no fue la excepción y las medidas aplicadas en el país trajeron importantes consecuencias en la economía y el mercado laboral, con una fuerte reducción de la ocupación, así como salidas de la fuerza laboral. Este artículo busca comprender las diferencias observadas en este proceso desde un enfoque que prioriza las demandas de cuidados en los hogares como factor determinante del comportamiento dispar por sexo. Para esto se realizó un análisis cuantitativo a partir de los datos de la encuesta ECOVID-ML, mediante un modelo de regresión logística. De esa manera, se mostró la relevancia del efecto de las variables de cuidado para entender las diferencias en participación laboral entre hombres y mujeres y, además, se constató una menor reincorporación de las mujeres al mercado laboral, a pesar de que la recuperación se da en sectores feminizados.


The COVID-19 pandemic not only has had an impact in public health field, but it has also lead to a profound social and economic crisis. Attending to the demands generated by the virus has meant an economic standstill almost everywhere in the world. Mexico wasn't the exception and the measures implemented in the country had important consequences in the economy and the labor market, carrying to a strong reduction of employment and withdrawals from the labor force. Thus, this article looks to understand the observed differences in this process, taking a point of view which prioritizes household care demands as a factor that can explain the dissimilar behaviour by gender. To follow this objective a quantitative analysis is performed using data from the ECOVID-ML, through a logistic regression model. This shows that the effect of the care variables is relevant in understanding differences in labor force participation between men and women, and also confirms the lower reincorporation into the labor market of women, even though recovery has concentrated on feminized sectors.

9.
Rev. sanid. mil ; 75(2): e01, may.-ago. 2021. tab
Article in Spanish | LILACS-Express | LILACS | ID: biblio-1515517

ABSTRACT

Resumen Introducción: La correcta alimentación de los soldados es clave para mantener la salud y el buen rendimiento, actualmente, la obesidad constituye un problema de salud pública calificada como la "epidemia del siglo". Objetivo: Identificar los factores de riesgo nutricionales asociados al sobrepeso y obesidad en una Brigada del Ejército Mexicano. Material y métodos: Se determinó la fuerza de asociación entre los factores de riesgo nutricionales y el desarrollo de sobrepeso y obesidad. La asociación se realizó mediante X2 y OR, y la diferencia de medias con prueba Z. Resultados: Se observó diferencia entre casos y controles en consumo de calorías (z=9.34, P<0.01), proteínas (z=10.22, P<0.01), grasas (z=8.84, P<0.0) y carbohidratos (z=7.04, P<0.01). El consumo de verduras y frutas <1 vez/semana, y el de bebidas azucaradas >1 vez/semana fueron factores de riesgo para desarrollar sobrepeso y obesidad (X2=4.406; p=0.036; OR=2.1), (X2= 5.6; p=0.018; OR=2.25), (X2=7.368; p=0.007; OR=4.5), respectivamente. El no consumir la mayor cantidad de calorías en el comedor y el que la cafetería y la calle sean el sitio de mayor consumo de calorías fueron factores de riesgo (X2=14.44; p=0.000; OR=4.3), (X2=13.74; p=0.000; OR=5.56) y (X2=6.375; p=0.012; OR =4.12), respectivamente. Conclusiones: El consumo menor o igual a una vez a la semana de verduras y frutas, el consumir bebidas azucaradas más de una vez a la semana, el consumir la mayor cantidad de calorías de la cafetería y de la calle y el no consumir la mayor cantidad de calorías en el comedor fueron factores de riesgo para desarrollar sobrepeso-obesidad.


Abstract Introduction: Correctly feeding soldiers is key to maintaining health and good performance. Obesity is currently a public health problem classified as the "epidemic of the century". Objective to identify the nutritional risk factors associated with overweight and obesity in a Mexican Army Brigade. Material and methods: The strength of association between nutritional risk factors and the development of overweight and obesity was determined. The association was made using X2 and OR, and the difference in means with the Z test. Results: Different differences between cases and controls in the consumption of calories (z = 9.34, P <0.01), proteins (z = 10.22, P <0.01), fats (z = 8.84, P <0.0) and carbohydrates (z = 7.04, P <0.01). Consumption of vegetables and fruits <1 time / week and consumption of sugary drinks> 1 time / week were risk factors for developing overweight and obesity (X2 = 4,406; p = 0.036; OR = 2.1), (X2 = 5.6 ; p = 0.018; OR = 2.25), (X2 = 7.368; p = 0.007; OR = 4.5), respectively. Failure to consume the highest amount of calories in the dining room and the fact that the cafeteria and the street are the site of the highest calorie consumption were risk factors (X2 = 14.44; p = 0.000; OR = 4.3), (X2 = 13.74; p = 0.000; OR = 5.56) and (X2 = 6.375; p = 0.012; OR = 4.12), respectively. Conclusions: Consumption less than or equal to once a week of vegetables and fruits, consumption of sugary drinks more than once a week, consumption of the greatest number of calories in the cafeteria and the street and non-consumption of the greatest amount of calories in the dining room were risk factors for developing overweight-obesity.

10.
Acta biol. colomb ; 26(1): 62-71, ene.-abr. 2021. tab
Article in English | LILACS-Express | LILACS | ID: biblio-1152669

ABSTRACT

ABSTRACT The botanical family Solanaceae has many species producing compounds with insecticidal properties, e.g. nicotine and capsaicin, which are used for pest management in agriculture. This fact provides perspectives to identify insecticidal compounds in Brazilian native species of Solanaceae. In this study, we performed a screening with 25 ethanolic extracts from 17 Solanaceae species in order to evaluate their bioactivity against the Mexican bean weevil, Zabrotes subfasciatus (Coleoptera: Chrysomelidae: Bruchinae). The bioactivity of Solanaceae ethanolic extracts (2,500 mg kg-1) was tested with residual contact bioassays. Adults of Z. subfasciatus were exposed to treated bean grains, and adult mortality, oviposition, F1 progeny and damages on grains were quantified. Most of the ethanolic extracts from Solanaceae reduced the number of eggs per sample, the egg-adult viability, the F1 progeny and the damages on bean grains promoted by Z. subfasciatus, but none of them interfered on its sex ratio. Ethanolic extract from leaves of Solanum lycocarpum A. St.-Hil promoted the most promissory effects on Z. subfasciatus. This ethanolic extracts can be a suitable alternative to control Z. subfasciatus in stored beans, mainly for small farmers and organic farmers.


RESUMEN La familia botánica Solanaceae tiene muchas especies que producen compuestos con propiedades insecticidas, e.g. nicotina y capsaicina, que se utilizan para el control de plagas en la agricultura. Este hecho proporciona perspectivas promisorias para identificar compuestos insecticidas en especies nativas brasileñas de Solanaceae. En el presente estudio se llevó a cabo un cribado con 25 extractos etanólicos de 17 especies de Solanaceae con el propósito de evaluar su bioactividad sobre el gorgojo pinto del frijol, Zabrotes subfasciatus (Coleoptera: Chrysomelidae: Bruchinae). La bioactividad de los extractos etanólicos se evaluó por experimentos de contacto residual. Los adultos de Z. subfasciatus se expusieron a los frijoles tratados con los extractos y se midió la mortalidad de los adultos, la ovoposición, la progenie F1 y el daño en los granos. La mayoría de los extractos etanólicos redujeron el número de huevos, la viabilidad de los huevos, la progenie y el daño en los granos, pero ninguno de ellos interfirió en la proporción sexual de los insectos. El extracto etanólico de las hojas de Solanum lycocarpum A. St.-Hil promovió los efectos más prometedores sobre Z. subfasciatus. Este extracto puede ayudar a controlar a Z. subfasciatus en frijoles almacenados, principalmente a los pequeños agricultores y a los agricultores orgánicos.

11.
Rev. MVZ Córdoba ; 26(1): 25-31, Jan.-Apr. 2021. tab, graf
Article in English | LILACS | ID: biblio-1351546

ABSTRACT

ABSTRACT Objective. The sex ratio, proportion of ovigerous females, length at sexual maturity and fecundity of Grapsus grapsus crabs in the Lobos, Venados and Pajaros islands (southeastern Gulf of California) were analyzed. Materials and methods. Sampling was conducted monthly between March 2011 and February 2012, during the night at low tide. Thirty crabs were collected in a quadrant (25 m2) at each sampling site on each island. cw (mm) and w (g) were determined. The sex ratio and size at sexual maturity (cw50%) were estimated, and for ovigerous females, embryonic stages and fecundity (gravimetric method) were determined. Results. The sex ratio (M:F) was 1:1.3. The average size at sexual maturity (cw50%) was 34.9 mm. The majority of females were ovigerous (71.3%), and 48% of the embryos of ovigerous females were at the red-orange phase. Egg diameter ranged from 1.1 to 5 µm, with an average of 2.05 µm. The mean fecundity was 24339.3 eggs. The maximum and minimum weight of ovigerous females was 69.9 and 15.2 g. Conclusions. The studied characteristics of sex ratio, proportion of ovigerous females, length at sexual maturity and fecundity of G. grapsus, indicate the effective administration and management of this resource in this area.


RESUMEN Objetivo. Se analizó la proporción de sexos, hembras ovígeras, talla de primera madurez sexual y fecundidad del cangrejo roca Grapsus grapsus en islas Lobos, Venados y Pájaros (sureste del Golfo de California). Material y métodos. Los muestreos fueron mensuales entre marzo 2011 y febrero 2012, las colectas fueron nocturnas durante la bajamar, se obtuvieron en un cuadrante (25 m2) por isla 30 organismos al azar, se les determinó el AN (mm) y PT (g). Se estimó la proporción de sexos y talla de primera madurez sexual (AN50%), se analizaron en hembras grávidas, las fases embrionarias y la fecundidad (método gravimétrico). Resultados. La proporción de M:H fue 1:1.3. La talla media de primera madurez fue AN50% 34.9 mm. Es evidente la presencia de hembras ovígeras (71.3%) y todas las fases embrionarias, la fase rojo-naranja fue la mayor representada en 48%. La variación del diámetro del huevo fue 1.1 a 5 µm y el promedio de 3.05 µm. La fecundidad media fue 24339.3 cigotos. El máximo y mínimo peso de hembras ovígeras fue 69.9 y 15.2 g, respectivamente. Conclusiones. Con base a las características biológicas del recurso tales como la proporción de sexos, hembras ovígeras, talla de primera madurez sexual y fecundidad en la población de G. grapsus, representa un efecto favorable en su posterior administración y manejo de este recurso en esta zona.


Subject(s)
Animals , Reproduction , Decapoda , Xiphosura americana
12.
Rev. biol. trop ; 69(supl. 1)mar. 2021.
Article in Spanish | LILACS, SaludCR | ID: biblio-1507748

ABSTRACT

Introducción: La bahía de Chamela está ubicada en la parte central de la costa del estado de Jalisco, México y es un importante área natural protegida. Pese a ello, el estudio de los equinodermos en la zona es incipiente. Objetivo: Proporcionar una lista de verificación actualizada, descripciones de las especies y una clave taxonómica de los ofiuroideos de la bahía de Chamela. Métodos: Recolectamos en la bahía de 1998 a 2018, y también analizamos información de la literatura y especímenes en colecciones científicas internacionales. Resultados: se reportan 19 especies de ofiuroides para el área de estudio, distribuidas en dos órdenes, siete familias y 11 géneros. Ocho de estos corresponden a nuevos registros para el área y tres posiblemente representan nuevas especies. La biodiversidad de ofiuroideos en la bahía de Chamela representa el 15.2% de las especies de ofiuroides del Pacífico mexicano y el 73% de Jalisco. El número de equinodermos conocidos en la bahía de Chamela aumenta a 48 especies. Conclusiones: Se presenta el listado más completo de la clase Ophiuroidea en la bahía de Chamela, Jalisco. La información proporcionada se puede utilizar para otras áreas del Pacífico oriental. La bahía de Chamela es importante en términos de riqueza de especies debido a su heterogeneidad ambiental y numerosas islas.


Introduction: Chamela bay is located in the central portion of the coast from the Jalisco state, Mexico and is an important protected natural area. Despite this, the study of echinoderms in the area is incipient. Objective: To provide an updated checklist, descriptions of the species and a taxonomic key of the ophiuroids from Chamela bay. Methods: We collected specimens from 1998 to 2018, and also analyzed information from the literature and specimens deposited at international scientific collections from Chamela bay. Results: 19 species of ophiuroids are reported for the study area, distributed in two orders, seven families, and 11 genera. Seven of these correspond to new records for the area, one to a new record for Jalisco state, and two possibly represent new species. The biodiversity of ophiuroids in Chamela bay represents 15.2 % of ophiuroid species from the Mexican Pacific and 73 % from Jalisco. The number of known echinoderms in Chamela bay is increased to 48 species. Conclusions: The most complete checklist of the class Ophiuroidea in Chamela bay, Jalisco, is presented. The information provided can be used for other areas of the eastern Pacific. Chamela bay is important in terms of species richness due to its environmental heterogeneity and numerous islands.


Subject(s)
Animals , Echinodermata/anatomy & histology , Echinodermata/classification , Biodiversity , Introduced Species , Mexico
13.
Rev. biol. trop ; 69(supl. 1)mar. 2021.
Article in Spanish | LILACS-Express | LILACS | ID: biblio-1507771

ABSTRACT

Introducción: Los cucumáridos son un grupo cosmopolita de pepinos de mar que habitan en sedimentos rocosos-arenosos, desde la zona intermareal hasta la zona abisal. Objetivo: Presentar nuevos registros para el Pacífico mexicano. Métodos: Se utilizó estereoscopio y microscopía electrónica de barrido para mostrar la morfología externa e interna de especímenes de la colección de la Universidad Nacional Autónoma de México. Resultados: Presentamos una sinopsis taxonómica de cucumáridos en el Pacífico mexicano y revisamos su taxonomía en las espículas. Se confirma la identidad taxonómica de Pseudocnus curatus, Pseudocnus dubiosus y Pseudocnus lubricus y se descarta la presencia de Trachythyone peruana. Conclusiones: Se presentan cuatro nuevos registros para el Pacífico mexicano: Leptopentacta nina, Pseudocnus curatus, Pseudocnus dubiosus y Pseudocnus lubricus.


Introduction: Cucumarids are a cosmopolitan group of sea cucumbers that inhabit rocky-sandy sediments, from the intertidal zone to the hadal zone. Objective: To present new records for the Mexican Pacific. Methods: We applied stereoscope and scanning electron microscopy to external and internal morphology of specimens in the collection of the National Autonomous University, Mexico. Results: We present a taxonomic synopsis of cucumarids in the Mexican Pacific and review their taxonomy on the ossicles. The taxonomic identity of Pseudocnus curatus, Pseudocnus dubiosus and Pseudocnus lubricus is confirmed, and the presence of Trachythyone peruana is ruled out. Conclusions: Four new records are presented for the Mexican Pacific: Leptopentacta nina, Pseudocnus curatus, Pseudocnus dubiosus and Pseudocnus lubricus.

14.
Braz. j. biol ; 80(2): 330-335, Apr.-June 2020. graf
Article in English | LILACS | ID: biblio-1132368

ABSTRACT

Abstract The Triatomini tribe consists of ten genera and is regarded as one of the most important tribes from epidemiological point of view. The genus Dipetalogaster Usinger, 1939 is composed only by the species Dipetalogaster maxima Uhler, 1894. This triatomine is exclusive of the Mexico and is a potential vector for Chagas disease. Besides the epidemiological importance, the insects of the Triatominae subfamily are important biological models for cytogenetic studies. Therefore, in order to contribute to the knowledge on the reproductive biology and assist in citotaxonomy of D. maxima, this study aimed to describe spermatogenesis, as well as confirm the karyotype and heterochromatic patterns of this Mexican triatomine species. The seminiferous tubules were torn, fixed to a cover slip and underwent the cytogenetic technique of Lacto-acetic orcein and C-banding. Through the cytogenetics analysis of testicular material D. maxima it was possible to confirm the karyotype (2n = 22), describe the stages of spermatogenesis and characterize the heterochromatic pattern (restricted to sex chromosome Y) of the species. D. maxima showed the same arrangement of heterochromatin described for Triatoma lecticularia (Stål, 1859) (a species that occur in United States of American and Mexico and is phylogenetically related with D. maxima), highlighting the importance of this analysis as an optimization tool to explore phylogenetic correlations.


Resumo A tribo Triatomini consiste em dez gêneros e é considerada uma das tribos mais importantes do ponto de vista epidemiológico. O gênero Dipetalogaster Usinger, 1939 é composto apenas pela espécie Dipetalogaster maxima Uhler, 1894. Este triatomíneo é exclusivo do México e é um vetor potencial da doença de Chagas. Além da importância epidemiológica, os insetos da subfamília Triatominae são importantes modelos biológicos para estudos citogenéticos. Portanto, a fim de contribuir para o conhecimento da biologia reprodutiva e complementar o conceito específico de D. maxima, este trabalho objetivou descrever a espermatogênese, bem como confirmar o padrão cariotípico e heterocromático desta espécie mexicana, com foco citotaxonômico. Os túbulos seminíferos foram dilacerados, fixados em uma lamínula e submetidos à técnica citogenética de Orceína lacto-acética e Bandamento-C. Por meio da análise citogenética do material testicular de D. maxima foi possível confirmar o cariótipo (2n = 22), descrever os estágios da espermatogênese e caracterizar o padrão heterocromático (restrito ao cromossomo Y sexual) da espécie. D. maxima apresentou o mesmo arranjo de heterocromatina descrito para Triatoma lecticularia (Stål, 1859) (espécie que ocorre no México e nos Estados Unidos da América, filogeneticamente relacionada com D. maxima), destacando a importância desta técnica como ferramenta para explorar correlações filogenéticas.


Subject(s)
Animals , Male , Triatoma , Triatominae , Chagas Disease , Phylogeny , Mexico
15.
Acta investigación psicol. (en línea) ; 10(2): 56-64, abr. 2020. tab, graf
Article in Spanish | LILACS-Express | LILACS | ID: biblio-1152713

ABSTRACT

Resumen Partiendo que la cultura es una variable sumamente importante en el estudio del comportamiento humano, que los significados y la cultura subjetiva dependen del contexto sociocultural de referencia y que la etnopsicología requiere del desarrollo de conocimiento y herramientas que permitan generar una mejor amalgama entre la psicología universal (occidental y de primer mundo), con La Psicología. Bajo este marco la presente investigación tuvo como objetivo, generar un índice de tradicionalismo cultural, a través de las Premisas Histórico-Socioculturales. Se aplicaron 1017 baterías que además de evaluar las PHSCs, también se evaluó el Individualismo-Colectivismo y la Instrumentalidad- Expresividad en hombres y mujeres provenientes de zonas urbanas y rurales del Norte, Centro y Sur de México, todas bajo el consentimiento informado. Los resultados reflejan un modelo con ajustes adecuados que permiten garantizar dicho índice. A su vez, el índice es sensible a variables culturales como el Individualismo - Colectivismo y a constructos socioculturales como la Instrumentalidad - Expresividad. Los resultados garantizan una herramienta que puede ser utilizada en la investigación psicológica o del comportamiento, así como en la aplicación de la psicología.


Abstract Culture is an extremely important variable in the study of human behavior, where the work done in this regard has allowed to identify that the meanings and the subjective culture depend on the sociocultural context of reference, where ethnopsychology requires the development of knowledge and tools that allow generating a better amalgam between universal psychology (Western and First World), with Psychology. Under the frame of reference that defines culture as a system of meanings shared by a group and transmitted from generation to generation, which allows the group to satisfy their basic survival needs, seek happiness and well-being and understand the meaning of life; and with the support that different studies have reported differences in psychological variables according to the socio-cultural context, the present investigation had as objective, to generate an index of cultural traditionalism, through the Sociocultural Historical Premises (PHSCs). 1017 batteries were applied that, in addition to evaluating the PHSCs, Individualism-Collectivism and Instrumentality- Expressivity were also evaluated in men and women from urban and rural areas of North, Central and South Mexico, all under the informed consent. The results reflect a factorial structure formed by Machismo, Virginity, Respect over love, Social reproduction, cultural dynamics and Gender inequality. A model was obtained with adequate adjustments that allow guaranteeing this index with variables associated exclusively with the traditional culture, where Virginity and Social Reproduction represent the greatest weight within the index of cultural traditionalism. In turn, the index is sensitive to cultural variables such as Individualism - Collectivism and sociocultural constructs such as Instrumentality - Expressivity, reflecting significant differences in different factors, with effects ranging from small to moderate. The results guarantee a tool that can be used in psychological or behavioral research, as well as in the application of psychology.

16.
Rev. iberoam. psicol. (En línea) ; 13(2): 71-82, 2020. tab
Article in Spanish | COLNAL, LILACS | ID: biblio-1247656

ABSTRACT

Las conductas violentas en el noviazgo de adolescentes ha sido objeto de interés en las últimas décadas. En su estudio se han priorizado diversos factores individuales, relacionales, familiares y sociales. En el caso de los aspectos familiares, se ha sugerido que la vivencia de experiencias negativas en el seno familiar podría funcionar como factor de riesgo para la aparición de conductas violentas. Por ello, el presente estudio explora las diferencias por sexo en cuanto a la violencia sufrida y cometida, así como la posible asociación entre la cohesión y la adaptabilidad familiar con la frecuencia de conductas violentas cometidas o sufridas en la muestra participante. Participaron 161 mujeres y 151 hombres, con edades entre los 15 y 19 años (M= 16.73; DT=1.093), originarios del estado de Colima, México. Entre los diversos resultados obtenidos destaca que no se hallaron diferencias estadísticamente significativas en los diversos tipos de violencia evaluados, aunque los hombres señalaron haber sufrido más violencia que las mujeres. Añadido a ello, ambos sexos señalaron mayor frecuencia en conductas específicas de control hacia su pareja y presión para sostener relaciones sexuales. Con respecto a la asociación teórica entre funcionamiento familiar, evaluado a través de la cohesión y adaptabilidad, y la violencia cometida y sufrida, solo se hallaron correlaciones muy débiles. Se discuten los resultados enfatizando la prevención de la minimización o normalización de conductas específicas de control entre los y las jóvenes.


Violent teen dating behavior has been the subject of interest in recent decades. In his study, various individual, relational, family and social factors have been prioritized. In the case of family aspects, it has been suggested that the experience of negative experiences within the family could function as a risk factor for the appearance of violent behaviors. Therefore, the present study explores the differences by sex in terms of violence suffered and committed, as well as the possible association between cohesion and family adaptability with the frequency of violent behaviors committed or suffered in the participating sample. 161 women and 151 men participated, aged between 15 and 19 years (M = 16.73; SD = 1,093), originally from the state of Colima, Mexico. Among the various results obtained, it stands out that no statistically significant differences were found in the various types of violence evaluated, although men reported having suffered more violence than women. Added to this, both sexes reported a higher frequency in specific behaviors of control towards their partner and pressure to have sexual relations. Regarding the theoretical association between family functioning, evaluated through cohesion and adaptability, and the violence committed and suffered, only very weak correlations were found. The results are discussed emphasizing the prevention of the minimization or normalization of specific control behaviors among young people.


Subject(s)
Humans , Violence , Intimate Partner Violence , Sex , Behavior , Family , Compliance
17.
Rev. biol. trop ; 67oct. 2019.
Article in Spanish | LILACS-Express | LILACS | ID: biblio-1507484

ABSTRACT

Introducción: Desde un punto de vista global, los poliquetos que habitan en la comunidad pelágica han sido poco estudiados, aunque son un eslabón importante en las cadenas alimentarias de los ecosistemas marinos. Objetivo: Este trabajo contribuye al conocimiento de esta importante comunidad, analizando la riqueza y la densidad de los poliquetos. Métodos: Las muestras de plancton se tomaron en 17 localidades durante mayo y diciembre de 2013 en el área de estudio, mediante arrastres superficiales en una embarcación con un motor fuera de borda. Utilizamos una red con un diámetro de boca de 0.3 m, una longitud de 1.30 m y una abertura de malla de 0.3 mm. De cada muestra recolectada, los poliquetos se separaron y determinaron al nivel taxonómico más bajo posible. Resultados: Cuantificamos un total de 1873 individuos, con una variación importante en la densidad relativa, ya que en mayo se registraron 7 952.0 ind/100m3, mientras que en diciembre solo hubo 882.1 ind/100m3. Se analizaron las diferencias en la composición y densidad de los poliquetos determinados, de los cuales la proporción más alta pertenece a las formas larvales de las poblaciones bentónicas (meroplancton) y la más baja a los organismos del holoplancton. Durante los dos periodos de estudio se observaron trece familias, de las cuales, Sabellariidae, Spionidae, Chaetopteridae, Magelonidae, Iospilidae y Typhloscolecidae fueron comunes en ambos periodos, mientras que Aphroditidae, Syllidae, Phyllodocidae y Alciopidae fueron exclusivas de mayo y Serpullidae, Sabellidae y Lopadorhynchidae solo se encontraron en diciembre. Conclusiones: Es importante señalar que las variaciones observadas proporcionan valiosa información sobre los ciclos de vida y los aspectos biogeográficos de los poliquetos en el área de estudio.


Introduction: From a global point of view, polychaetes that inhabit in the pelagic community have been little studied, although they are an important link in the food chains of marine ecosystems. Objective: To analyze the local richness and density of polychaetes. Methods: Plankton samples were taken in 17 localities during May and December 2013, through surface trawls in a barge with an outboard motor. We used a net with 0.3 m mouth diameter, 1.30 m long and a 0.3 mm aperture mesh. From each collected sample, polychaetes were separated and determined at the lowest possible taxonomic level. Results: We collected a total of 1 873 individuals, with an important variation in relative density, since in May 7 952.0 ind/100m3 were recorded, while in December there were only 882.1 ind/100m3. The differences in the composition and density of the determined polychaetes, were analyzed, of which the highest proportion belongs to the larval forms of the benthic (meroplankton) populations, and the lowest proportion to holoplankton organisms. During the two periods of study were observed thirteen families, from which Sabellariidae, Spionidae, Chaetopteridae, Magelonidae, Iospilidae and Typhloscolecidae were common in both periods, while Aphroditidae, Syllidae, Phyllodocidae and Alciopidae were observed only in May, and Serpulidae, Sabellidae and Lopadorhynchidae were observed only in December. Conclusions: It is important to point out that the observed variations provide valuable information about the life cycles and the biogeographic aspects of the polychaetes in the study area.

18.
Homeopatia Méx ; 87(715): 17-27, out. - dez. 2018.
Article in Spanish | LILACS, HomeoIndex | ID: biblio-995977

ABSTRACT

En el siglo XIX mexicano, la prensa fungió como un medio para dirimir cuestiones políticas, económicas, sociales, literarias, religiosas y científicas, motivo por el cual no debe sorprender que, tras la publicación de El Propagador Homeopático (el órgano de difusión del Instituto Homeopático Mexicano), se produjera una polémica sobre la Homeopatía en la que El Observador Médico, rotativo editado por la Asociación Médica Pedro Escobedo, fungió como su principal antagonista. La discusión tuvo su origen en la petición realizada al Congreso, por parte de los médicos adscritos al Instituto Homeopático Mexicano, de que se les permitiera establecer una escuela para la enseñanza de ese sistema curativo y se reconociera el ejercicio de su profesión. La propuesta no sería bien recibida por los articulistas de El Observador Médico y uno de ellos, en un principio, buscó criticar los principios en los que se sustentaba la doctrina de Hahnemann, pero después la polémica adquirió tintes acusatorios, lo cual impidió el establecimiento de un diálogo que fructificara en el fortalecimiento de la ciencia médica mexicana. (AU)


In the Mexican XIX century, the press served as a means to resolve political, economic, social, literary, religious and scientific issues, which is why it should not be surprising that after the publication of El Propagador Homeopático, which served as the organ of dissemination of the Mexican Homeopathic Institute, there was a controversy over homeopathy in which El Observador Médico, a rotating journal edited by the Pedro Escobedo Medical Association, served as its main antagonist. The discussion had its origin in the request made to Congress, by doctors attached to the Homeopathic Institute, to be allowed to establish a school for the teaching of this healing system and to recognize the exercise of their profession. The proposal would not be well received by the writers of El Observador Médico and one of them, at first, sought to criticize the principles on which Hahnemann's doctrine was based, but afterwards the controversy acquired accusatory overtones, which caused that establish a dialogue that would bear fruit in the strengthening of Mexican medical science. (AU)


Subject(s)
History, 19th Century , Mass Media , Homeopathy/history , Mexico
19.
Rev. sanid. mil ; 72(3/4): 187-197, may.-ago. 2018. tab, graf
Article in Spanish | LILACS-Express | LILACS | ID: biblio-1004489

ABSTRACT

Resumen Introducción En el Ejército y Fuerza Aérea Mexicanos (FAM) no hay estudios sobre las competencias del personal profesional que se dedica a la salud pública. Objetivo Determinar si el egresado de la Escuela Militar de Oficiales de Sanidad (EMOS) posee las competencias para realizar las FESP. Material y métodos Estudio observacional, transversal y analítico. Se determinó si los egresados de la EMOS poseían las competencias necesarias para desempeñar las FESP. Se estableció la diferencia estadística entre el grupo que sí las poseía y los que no (t de Student). La comparación de diferencia estadística entre la Licenciatura en Salud Pública y Urgencias Médicas versus Maestría y Curso Técnico Especializado se realizó con una Z de proporciones. Resultados El 53.52% de los egresados de la EMOS poseían las competencias profesionales para la realización de las FESP, con diferencia estadística entre los que las poseen y los que no (t de Student 0.015). Sí existe diferencia estadística entre la Maestría versus la Licenciatura en Salud Pública (z = -2.9226); no se encontró diferencia versus el Curso Técnico Especializado en Salud Pública (z = 0.01116). Conclusiones Los egresados de la EMOS no poseen las competencias para realizar las FESP.


Abstract Introduction In the Mexican Army and Air Force (FAM) there are no studies on the competences of professional personnel dedicated to public health. Objectives To determine if the graduates of the Military School of Health Officials (EMOS) have the competences to carry out the essential public health functions (EPHF). Material and methods Observational, transversal and analytical study. It was determined if the personnel graduated from the EMOS possessed the necessary competences to perform the EPHF. The statistical difference was established between the group that did possess them and those that did not (Student's t test). The comparison of statistical difference between the degree in Public Health and Medical Emergencies versus the Master's and Specialized Technical Course was made with a Z of proportions. Results 53.52% of the graduates of the EMOS had the professional competences for the realization of the EPHF, existing statistical difference between those who possessed them and those who did not (t Student 0.015). There was a statistical difference between the Master's degree and the Degree in Public Health (z = -2.9226); there was no difference versus the Specialized Technical Course in Public Health (z = 0.01116). Conclusions Graduates of the EMOS do not have the competences to carry out the EPHF.

20.
Summa psicol. UST ; 15(2): 154-161, 2018. tab
Article in Spanish | LILACS | ID: biblio-1095966

ABSTRACT

El estudio de la violencia en parejas jóvenes ha llamado la atención de la comunidad científica en décadas recientes, no obstante, existen nuevos tipos de violencia, así como poblaciones que no son frecuentemente consideradas en las investigaciones. Por ello el objetivo de esta investigación es analizar la prevalencia y co-ocurrencia de violencia off-line (cara a cara) como on-line (a través de medios electrónicos) en relaciones de pareja de jóvenes procedentes de zona rural. Se realizó un estudio desde un enfoque cuantitativo, con un diseño no experimental, transversal y ex post facto. La muestra estuvo constituida por 231 estudiantes pertenecientes a una universidad pública de Guerrero (México) y provenientes de zona rural, de los cuales 86 fueron hombres y 145 mujeres, con edades comprendidas entre los 18 y 27 años; quienes contestaron las escalas Violence in Adolescents Dating Relationships Inventory (VADRI) y el Cyber Dating Abuse Questionnaire (CDAQ). Entre los resultados destaca la existencia de violencia de distintos tipos en hombres y mujeres, una mayor frecuencia en hombres tanto de violencia sufrida como cometida, así como la co-existencia de diferentes tipos de violencia tanto off-line como on-line en ambos sexos.


In recent decades, the study of violence in young couples has caught the attention of the scientific community. However there are new types of violence as well as population that are not frequently considered in research. Therefore, the objective of this research is to analyze the prevalence and co-occurrence of face-to-face violence (off-line violence) and violence through electronic means (on-line violence) in relationships between young people coming from rural areas. A quantitative study was conducted, with a non-experimental, transversal and ex post facto design. The sample consisted of 231 students from rural areas belonging to a public university in Guerrero (Mexico); 86 men and 145 women, aged between 18 and 27 years, who answered the scales Violence in Adolescents Dating Relationships Inventory (VADRI) and the Cyber Dating Abuse Questionnaire (CDAQ). The results point out the existence of violence of different types in men and women, a greater frequency in men of both violence suffered and committed, as well as the co-ocurrence of different types of off-line and on-line in both sexes.


Subject(s)
Humans , Male , Female , Adolescent , Adult , Young Adult , Intimate Partner Violence , Interpersonal Relations , Universities , Rural Areas , Sex Factors , Surveys and Questionnaires , Adolescent Behavior/psychology , Aggression/psychology , Mexico
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