Hipospadia peniana em cão ­ Relato de caso / Penile hypospadias in a dog - Case report / Hipospadias peneana en un perro ­ Reporte de caso

A hipospadia é oresultado de falha no desenvolvimento em que não ocorre a fusão normal das dobras genitais e intumescência genital, o que causa desenvolvimento anormal da uretra peniana, do pênis, prepúcio e/ou escroto. O objetivodeste relato é descrever um caso de hipospadia peniana de um canino macho, sem raça definida (SRD), de oito meses deidade, atendido no Hospital Veterinário da Universidade Federal Rural da Amazônia, na cidade de Belém/Pará, detalhando os procedimentos cirúrgico e anestésico utilizados para resolução do caso. Ao chegar ao hospital, o animal foi submetido ao exame físicoinicial no qual observou-se uma deformidade na região perianal por onde drenava a urina e uma abertura na região prepucial. A partir disso, foi solicitada a uretrocistografia retrógrada para complemento diagnóstico da hipospadia e seu comprometimento ao sistema urinário interno. Diante disso, foi realizado procedimento cirúrgico reconstrutivo e orquiectomia terapêutica, alcançando permitindoa resolução do caso e a recuperação completa do animal. Considerando que essa deformidade impossibilita a capacidadesexual generandi, a resolução recomendada é a cirúrgica, na qual o prognóstico é bom, possibilitando qualidade de vida ao animal.(AU)

Hypospadias is the result of developmental failure where normal fusion of the genital folds and genital tumescence does not occur, which causes abnormal development of the penile urethra, penis, foreskin and/or scrotum. The objective of this report is to describe a case of penile hypospadias in an eight-month-old male mixed breed (SRD) canine, treated at the Veterinary Hospital of the Federal Rural University of Amazônia, in the city of Belém/Pará, detailing the procedures surgical and anesthetic used for resolution of the case. Upon arrival at the hospital, the animal underwent an initial physical examination in which a deformity was observed in the perianal region through which urine drained and an opening in the preputial region. From this, a retrograde urethrocystography was requested to complement the diagnosis of hypospadias and its commitment to the internal urinary system. In view of this, a reconstructive surgical procedure and therapeutic orchiectomy were performed, allowing the resolution of the case and the complete recovery of the animal. Considering that this deformity prevents the sexual capacity generandi, the recommended resolution is surgery, in which the prognosis is good, allowing quality of life for the animal.(AU)

La hipospadias es el resultado de una falla en el desarrollo donde no ocurre la fusión normal de los pliegues genitales y la tumescencia genital, lo que provoca un desarrollo anormal de la uretra peneana, el pene, el prepucio y/o el escroto. El objetivo de este relato es describir un caso de hipospadias peneana en un canino macho mestizo (SRD) de ocho meses de edad, atendido en el Hospital Veterinario de la Universidad Federal Rural de Amazônia, en la ciudad de Belém/Pará, detallando los procedimientos quirúrgicos y anestésicos utilizados para la resolución del caso. A su llegada al hospital, el animal fue sometido a un examen físico inicial en el que se observó una deformidad en la región perianal por donde salía la orina y una abertura en la región prepucial. A partir de ello se solicitó cistouretrografía retrógrada para complementar el diagnóstico de hipospadias y su afectación en el sistema urinario interno. Ante esto, se realizó un procedimiento quirúrgico reconstructivo y orquiectomía terapéutica, que permitió la resolución del caso y la recuperación completa del animal. Teniendo en cuenta que esta deformidad imposibilita la capacidadgeneradi sexual, la resolución recomendada es la cirugía, en la que el pronóstico es bueno, permitiendo calidad de vida para el animal.(AU)

Efeitos da castração imunológica no epitélio seminífero de machos bubalinos / Effects of immunological castration on the seminipheral epithelium of buffaloes males

O procedimento de imunocastração vem sendo utilizado como técnica alternativa amplamente favorável ao bem-estar animal, por ser indolor, pouco invasiva e com eficácia semelhante à da castração cirúrgica, que causa maior estresse aos animais, principalmente quando realizada de forma inadequada. A imunocastração estimula a produção de anticorpos contra o Hormônio Liberador de Gonadotrofina (GnRH), bloqueando temporariamente a produção da testosterona pelas gônadas masculinas. Face a escassez de informações sobre este procedimento em touros bubalinos, o estudo teve como objetivo analisar os possíveis efeitos da imunocastração no parênquima testicular de búfalos. Vinte touros bubalinos, com idade entre 2 a 3 anos, oriundos da ilha do Marajó ­ PA, foram avaliados e divididos aleatoriamente em dois grupos composto por dez animais no grupo controle (GC) e dez do grupo imunocastrado (GIM). O produto utilizado foi a vacina anti-GnRH Bopriva ® (Zoetis, SP, Brasil). O GIM recebeu duas doses de 1,0ml contendo 400µg da vacina Bopriva ® com intervalo de 8 semanas entre as aplicações e o grupo controle recebeu 1,0 ml de solução fisiológica. Após 14 dias da última dose, os animais foram abatidos e coletado os 20 pares de testículos para analises de parâmetros macroscópicos como: comprimento, largura, circunferência e peso. Além disso, foi realizada a retirada de fragmentos do parênquima testicular para confecção de lâminas histológicas. Para comparação dos dados foi aplicado o teste t de Student (Nonparametric Test) considerando a significância com p<0,05 e intervalo de confiança de 95%. Foi observado diferença significativa entre os dois grupos para grupos para peso (direto p<0001; esquerdo p≤ 0,0001), circunferência (direita p< <0,0001), 1; esquerda p<0,0001), ), largura (somente lado direito p<0,0372) e comprimento (direita p≤ 0,0013; esquerda p<0,0437). Na avaliação microscópica, os animais do GC não apresenteram alterações. Nos animais do GIM houve degeneração em todas as amostras, sendo visualizado descamação, tortuosidade e espessamento da membrana basal do túbulo seminífero, assim como vacuolização e atrofia das células de Sertoli. Foi observado também uma redução do número de células de Leydig, fibrose intertubular pronunciada, núcleos picnóticos, azoospermia e células multinucleadas no interior dos túbulos. Conclui-se a vacina anti-GnRH mostrou-se eficaz em provocar lesões no parênquima testicular, comprometendo significativamente a espermatogênese a partir da possível supressão de testosterona.(AU)

The immunocastration procedure has been used as an alternative technique widely favorable to animal welfare, as it is painless, minimally invasive and with similar efficacy to surgical castration, which causes greater stress to animals, especially when performed improperly. Immunocastration stimulates the production of antibodies against Gonadotropin Releasing Hormone (GnRH), temporarily blocking the production of testosterone by the male gonads. Due to the scarcity of information about this procedure in buffalo bulls, the study aimed to analyze the possible effects of immunocastration on the testicular parenchyma of buffaloes. Twenty buffalo bulls, aged between 2 and 3 years, from the island of Marajó - PA, were evaluated and randomly divided into two groups consisting of ten animals in the control group (CG) and ten from the immunocastrated group (GIM). The product used was the anti-GnRH vaccine Bopriva ® (Zoetis, SP, Brazil). The GIM received two doses of 1.0ml containing 400µg of Bopriva ® vaccine with an interval of 8 weeks between applications and the control group received 1.0 ml of saline solution. After 14 days of the last dose, the animals were slaughtered and the 20 pairs of testes were collected for analysis of macroscopic parameters such as: length, width, circumference and weight. In addition, fragments of the testicular parenchyma were removed for the preparation of histological slides. To compare the data, Student's t test (Nonparametric Test) was applied, considering the significance with p< 0.0372) and length (right p≤ 0.0013; left p<0.0437). In the microscopic evaluation, the animals of the CG showed no alterations. In the GIM animals there was degeneration in all samples, with desquamation, tortuosity and thickening of the seminiferous tubule basement membrane, as well as vacuolization and atrophy of Sertoli cells. A reduction in the number of Leydig cells, pronounced intertubular fibrosis, pyknotic nuclei, azoospermia and multinucleated cells within the tubules were also observed. In conclusion, the anti-GnRH vaccine proved to be effective in causing lesions in the testicular parenchyma, significantly compromising spermatogenesis from the possible suppression of testosterone.(AU)

Particularidades na inseminação artificial em tempo fixo de bubalinos na Amazônia / Particularities in fixed-time artificial insemination of buffaloes in the Amazon

A Inseminação artificial em bubalinos na Amazônia completa 39 anos, a primeira ocorreu 1981, na ilha do Marajó. Entre 1976 a 1980 pesquisas se concentraram nas particularidades do comportamento sexual e das estratégias de colheita do sêmen e posteriormente na criopreservação. Aproximadamente 6.000 búfalas já foram inseminadas, na Amazônia, e ainda não, insemina-se mais de 0,87% do rebanho. Na inseminação convencional em detrimento da fraca expressão no cio, o uso do rufião é fundamental. Em criações extensivas a inseminação deve ser precedida de vacinações e esterilização uterina. O dispositivo intra-vaginal de progesterona de 2° e 3° usos e dose única, apresentaram bons resultados. Búfalas com ECC 3,0 a 3,75 é dispensável o uso do eCG. A hidrografia do rio Amazonas influencia na logística da IATF. Setembro a dezembro (época de vazante) consideramos a estação de reprodução favorável em criações na várzea. Em criações de terra firme a estação favorável ocorre entre os meses de janeiro a junho, (estação mais chuvosa). O protocolo mais usado é o Ovsynch, Ovsynch associado aprogesterona e o protocolo (-D30) primeira dose de vacina; no dia zero (D0); reforço vacinal e dispositivo intravaginal de progesterona, BE ou GnRH; (D9) PGF2α, eCG; (D11) GnRH e no dia doze (D12), IATF. Evitar estresse e traumas antes das inseminações, usar locais sombreado, água a vontade e liberação imediata após o serviço, evitar novilhas imaturas sexualmente, usar vacas multíparas mantendo ou ganhando o peso. A taxa de prenhes está entre 20 a 70% e a média em 52,6%.(AU)

Artificial insemination in buffaloes in the Amazon is 39 years old, the first occurred in 1981, on the island of Marajo. Between 1976 and 1980, research focused on the particularities of sexual behavior and semen collection strategies and later on cryopreservation. Approximately 6.000 buffaloes have already been inseminated in the Amazon, and not yet, more than 0.87% of the herd were inseminated. In conventional insemination to the at the expense of weak expression in heat, the use of the heat detector bull is essential. In extensive breeding, insemination should be preceded by vaccinations and uterine sterilization. The intra-vaginal progesterone deviceof 2nd and 3rd uses and single dose, showed good results. Buffaloes with ECC 3.0 to 3.75 the use of eCG is not necessary. The hydrography of the Amazon River influences the logistics of the IATF. September to December (dry river season) we consider the breeding season to be favorable for breeding in the creations in flooded area. In high land creations, the favorable season occurs between the months of January to June, (rainiest season). The most used protocol is Ovsynch, Ovsynch associated with progesterone and the protocol (-D30) first vaccine dose; on day zero (D0); vaccine booster and intravaginal progesterone, BE or GnRH device; (D9) PGF2α, eCG; (D11) GnRH and on the 12th (D12) IATF. Prevent stress and trauma before insemination, use shaded places, water at will and immediate release after the service avoid sexually immature heifers, use multíparas cows to maintain orgain weight. The pregnancy rate is between 20 and 70% and the average is 52.6%.(AU)

Ocorrência de tumor venéreo transmissível em cães atendidos no Hovet - PA UFRA / Occurrence of transmissible venereum tumor in dogs served at hove t- PA UFRA

The objective was to verify the occurrence of the transmissible venereal tumor in canines attended at (UFRA), Campus Belém / Pará, from March 2016 to September 2019. The information was obtained from the SISVET® program (Veterinary System). A total of 3,714 records were analyzed regarding the animals served and sent to the animal reproduction sector. Of this total, 155 were from dogs diagnosed with transmissible venereal tumor and 8 negative cases, 102 females and 53 males. The data were tabulated in an electronic spreadsheet, submitted to statistical analysis using the SAS® Universty Edition software regarding the frequency of occurrences, the influence of the age group, sex, race, through the Chi-Square test with 5% significance. Of the 155 cases of TVT diagnosed, 102 (65.81%) were in females and 53 (34.19%) males, with prevalence in SRD (72.86%) and in adults (54.19%). As for the site of involvement, 32.26% were in vulva and 20% in the body of the penis. Regarding the neighborhoods, there was a predominance in Guamá with 25 cases (15.59%). Thus, it is concluded that TVT was more frequent in SRD females and in adult dogs. Vulva 50 (32.26%), vagina 46 (29.68%) and penis 31 (20%) were the most affected sites.(AU)

Particularidades na inseminação artificial em tempo fixo de bubalinos na Amazônia / Particularities in fixed-time artificial insemination of buffaloes in the Amazon

A Inseminação artificial em bubalinos na Amazônia completa 39 anos, a primeira ocorreu 1981, na ilha do Marajó. Entre 1976 a 1980 pesquisas se concentraram nas particularidades do comportamento sexual e das estratégias de colheita do sêmen e posteriormente na criopreservação. Aproximadamente 6.000 búfalas já foram inseminadas, na Amazônia, e ainda não, insemina-se mais de 0,87% do rebanho. Na inseminação convencional em detrimento da fraca expressão no cio, o uso do rufião é fundamental. Em criações extensivas a inseminação deve ser precedida de vacinações e esterilização uterina. O dispositivo intra-vaginal de progesterona de 2° e 3° usos e dose única, apresentaram bons resultados. Búfalas com ECC 3,0 a 3,75 é dispensável o uso do eCG. A hidrografia do rio Amazonas influencia na logística da IATF. Setembro a dezembro (época de vazante) consideramos a estação de reprodução favorável em criações na várzea. Em criações de terra firme a estação favorável ocorre entre os meses de janeiro a junho, (estação mais chuvosa). O protocolo mais usado é o Ovsynch, Ovsynch associado aprogesterona e o protocolo (-D30) primeira dose de vacina; no dia zero (D0); reforço vacinal e dispositivo intravaginal de progesterona, BE ou GnRH; (D9) PGF2α, eCG; (D11) GnRH e no dia doze (D12), IATF. Evitar estresse e traumas antes das inseminações, usar locais sombreado, água a vontade e liberação imediata após o serviço, evitar novilhas imaturas sexualmente, usar vacas multíparas mantendo ou ganhando o peso. A taxa de prenhes está entre 20 a 70% e a média em 52,6%.

Artificial insemination in buffaloes in the Amazon is 39 years old, the first occurred in 1981, on the island of Marajo. Between 1976 and 1980, research focused on the particularities of sexual behavior and semen collection strategies and later on cryopreservation. Approximately 6.000 buffaloes have already been inseminated in the Amazon, and not yet, more than 0.87% of the herd were inseminated. In conventional insemination to the at the expense of weak expression in heat, the use of the heat detector bull is essential. In extensive breeding, insemination should be preceded by vaccinations and uterine sterilization. The intra-vaginal progesterone deviceof 2nd and 3rd uses and single dose, showed good results. Buffaloes with ECC 3.0 to 3.75 the use of eCG is not necessary. The hydrography of the Amazon River influences the logistics of the IATF. September to December (dry river season) we consider the breeding season to be favorable for breeding in the creations in flooded area. In high land creations, the favorable season occurs between the months of January to June, (rainiest season). The most used protocol is Ovsynch, Ovsynch associated with progesterone and the protocol (-D30) first vaccine dose; on day zero (D0); vaccine booster and intravaginal progesterone, BE or GnRH device; (D9) PGF2α, eCG; (D11) GnRH and on the 12th (D12) IATF. Prevent stress and trauma before insemination, use shaded places, water at will and immediate release after the service avoid sexually immature heifers, use multíparas cows to maintain orgain weight. The pregnancy rate is between 20 and 70% and the average is 52.6%.

Ocorrência de tumor venéreo transmissível em cães atendidos no Hovet - PA UFRA / Occurrence of transmissible venereum tumor in dogs served at hove t- PA UFRA

The objective was to verify the occurrence of the transmissible venereal tumor in canines attended at (UFRA), Campus Belém / Pará, from March 2016 to September 2019. The information was obtained from the SISVET® program (Veterinary System). A total of 3,714 records were analyzed regarding the animals served and sent to the animal reproduction sector. Of this total, 155 were from dogs diagnosed with transmissible venereal tumor and 8 negative cases, 102 females and 53 males. The data were tabulated in an electronic spreadsheet, submitted to statistical analysis using the SAS® Universty Edition software regarding the frequency of occurrences, the influence of the age group, sex, race, through the Chi-Square test with 5% significance. Of the 155 cases of TVT diagnosed, 102 (65.81%) were in females and 53 (34.19%) males, with prevalence in SRD (72.86%) and in adults (54.19%). As for the site of involvement, 32.26% were in vulva and 20% in the body of the penis. Regarding the neighborhoods, there was a predominance in Guamá with 25 cases (15.59%). Thus, it is concluded that TVT was more frequent in SRD females and in adult dogs. Vulva 50 (32.26%), vagina 46 (29.68%) and penis 31 (20%) were the most affected sites.

Comparative evaluation between the extenders TES-TRIS and ACP-112® and the association of Sálva Marajó oil (Lippia origanoides) in the quality of cryopreserved buffalo sperm / Avaliação comparativa entre os diluidores TES-TRIS e ACP-112® e a associação com o óleo da Sálva do Marajó (Lippia origanoides) na qualidade do sêmen bubalino criopreservado

For artificial insemination, it is essential to use frozen semen, however the freezing process causes deleterious changes to the structure and integrity of sperm membranes that compromise the function of sperm. To avoid this cellular damage, extenders and suitable substrates must be used to recover the highest possible number of viable cells post-thaw. To this end, in the first experiment, we evaluated three different extenders: TES-TRIS, which is widely used for buffaloes; and an extender composed of powdered coconut water-based (ACP-112®) with or without milk (ACP-112®-milk) for buffalo semen freezing. In the second experiment, we evaluated the effect of Lippia origanoides oil extract on protecting buffalo sperm against cryoinjury arising from freezing semen. Semen was collected from ten buffalo bulls (10 ejaculates/bull) and diluted in TES-TRIS (control), ACP-112® or ACP-112®-Milk in the first experiment. In the second experiment, the samples were diluted in the diluent with the best results for sperm quality obtained in experiment I, and 2.5 μg mL-1, 5 μg mL-1 or 10 μg mL-1 of the plant extract was added to treatments; and a control group containing only the diluent was also included. The fresh semen was analyzed for conventional features such as motility, concentration, morphology and viability. After thawing, the samples were evaluated again for motility, vigor and supra-vital staining, and then, were performed the of thermal-resistance test, hypoosmotic test and evaluated sperm membrane integrity with the fluorescent probes PI, FITC-PSA and JC-1 using flow cytometry. The data were submitted to ANOVA, and the results were compared by Tukeys test at a significance of 5%.(AU)

Para a implantação da inseminação artificial é indispensável à utilização de sêmen congelado, que pode provocar mudanças deletérias na estrutura e na integridade das membranas espermáticas, comprometendo sua função. Para evitar estes danos celulares, há a necessidade de se utilizar meios diluidores e substratos adequados que recuperem o maior número possível de células viáveis pós-descongelação. Para isso, foram avaliados, no experimento I, três diferentes diluidores, o diluidor TES-TRIS, bastante utilizado para bubalinos, e um diluidor a base de água de coco em pó (ACP-112), associado ou não ao leite (ACP-112-Leite), na congelação do sêmen de bubalinos; e no experimento II, foi avaliado o efeito do óleo extraído da Lippia origanoides na proteção dos espermatozóides contra as crioinjúrias decorrentes da congelação do sêmen bubalino. Foram utilizados 10 touros bubalinos para as colheitas de sêmen (10 ejaculados/touro), sendo os ejaculados diluídos em TES-TRIS (controle), ACP-112 e ACP-112-Leite no experimento I; e no experimento II, os ejaculados foram diluídos no melhor diluidor obtido no experimento I, acrescido de 2.5 μg mL-1, 5 μg mL-1 e 10 μg mL-1 da planta e o grupo controle, constituído somente do diluidor. O sêmen recém colhido foi analisado quanto as características convencionais, tais como, motilidade, concentração, morfologia e viabilidade. Após a descongelação das amostras foram avaliados novamente, motilidade e viabilidade espermática, e posteriormente, foram realizados os testes de termo-resistência, hiposmótico e de avaliação das membranas dos espermatozóides, através das sondas fluorescentes PI, FITC-PSA e JC-1, utilizando a citometria de fluxo. Os dados obtidos foram submetidos à ANOVA e ao Teste de Tukey a 5%.(AU)

Comparative evaluation between the extenders TES-TRIS and ACP-112® and the association of Sálva Marajó oil (Lippia origanoides) in the quality of cryopreserved buffalo sperm / Avaliação comparativa entre os diluidores TES-TRIS e ACP-112® e a associação com o óleo da Sálva do Marajó (Lippia origanoides) na qualidade do sêmen bubalino criopreservado

For artificial insemination, it is essential to use frozen semen, however the freezing process causes deleterious changes to the structure and integrity of sperm membranes that compromise the function of sperm. To avoid this cellular damage, extenders and suitable substrates must be used to recover the highest possible number of viable cells post-thaw. To this end, in the first experiment, we evaluated three different extenders: TES-TRIS, which is widely used for buffaloes; and an extender composed of powdered coconut water-based (ACP-112®) with or without milk (ACP-112®-milk) for buffalo semen freezing. In the second experiment, we evaluated the effect of Lippia origanoides oil extract on protecting buffalo sperm against cryoinjury arising from freezing semen. Semen was collected from ten buffalo bulls (10 ejaculates/bull) and diluted in TES-TRIS (control), ACP-112® or ACP-112®-Milk in the first experiment. In the second experiment, the samples were diluted in the diluent with the best results for sperm quality obtained in experiment I, and 2.5 μg mL-1, 5 μg mL-1 or 10 μg mL-1 of the plant extract was added to treatments; and a control group containing only the diluent was also included. The fresh semen was analyzed for conventional features such as motility, concentration, morphology and viability. After thawing, the samples were evaluated again for motility, vigor and supra-vital staining, and then, were performed the of thermal-resistance test, hypoosmotic test and evaluated sperm membrane integrity with the fluorescent probes PI, FITC-PSA and JC-1 using flow cytometry. The data were submitted to ANOVA, and the results were compared by Tukey’s test at a significance of 5%.

Para a implantação da inseminação artificial é indispensável à utilização de sêmen congelado, que pode provocar mudanças deletérias na estrutura e na integridade das membranas espermáticas, comprometendo sua função. Para evitar estes danos celulares, há a necessidade de se utilizar meios diluidores e substratos adequados que recuperem o maior número possível de células viáveis pós-descongelação. Para isso, foram avaliados, no experimento I, três diferentes diluidores, o diluidor TES-TRIS, bastante utilizado para bubalinos, e um diluidor a base de água de coco em pó (ACP-112), associado ou não ao leite (ACP-112-Leite), na congelação do sêmen de bubalinos; e no experimento II, foi avaliado o efeito do óleo extraído da Lippia origanoides na proteção dos espermatozóides contra as crioinjúrias decorrentes da congelação do sêmen bubalino. Foram utilizados 10 touros bubalinos para as colheitas de sêmen (10 ejaculados/touro), sendo os ejaculados diluídos em TES-TRIS (controle), ACP-112 e ACP-112-Leite no experimento I; e no experimento II, os ejaculados foram diluídos no melhor diluidor obtido no experimento I, acrescido de 2.5 μg mL-1, 5 μg mL-1 e 10 μg mL-1 da planta e o grupo controle, constituído somente do diluidor. O sêmen recém colhido foi analisado quanto as características convencionais, tais como, motilidade, concentração, morfologia e viabilidade. Após a descongelação das amostras foram avaliados novamente, motilidade e viabilidade espermática, e posteriormente, foram realizados os testes de termo-resistência, hiposmótico e de avaliação das membranas dos espermatozóides, através das sondas fluorescentes PI, FITC-PSA e JC-1, utilizando a citometria de fluxo. Os dados obtidos foram submetidos à ANOVA e ao Teste de Tukey a 5%.

Produção in vitro de embrião (PIVE) na espécie bubalina / In vitro embryo production of water buffalo (Bubalus bubalis)

Nos últimos anos a biotécnica de produção in vitro de embrião (PIVE) em bubalino passou porimportantes modificações, possibilitando a sua aplicação ao nível comercial. Entretanto, a taxa de produção deembrião por doadora ainda é muito baixa, refletindo diretamente no custo da prenhez, o qual é cerca de 3-4 vezesmais elevado que aquele observado em bovino zebuíno. Essa baixa taxa de embrião ocorre em função de váriosfatores, dentre os mais importantes podemos citar os fatores intrínsecos relacionados aos animais, como a baixaquantidade e qualidade dos oócitos obtidos por doadora; mas também a fatores extrínsecos, como a falta demeios de cultivo específicos para o oócito/embrião da espécie, as deficiências nas condições de manejo(nutricional e sanitário). Portanto, para a aplicação comercial mais abrangente, é necessário baixar o custo daprenhez, bem como, disponibilizar animais de comprovada produtividade (teste de progênie) para utilização emprogramas de PIVE e que do ponto de vista custo / benefício compense a utilização dessa técnica.(AU)

In recent years, the biotechnology of in vitro embryo production (IVP) in buffalo has undergone a greatimprovement, allowing its application at the commercial level. However, the rate of embryo production perdonor is still very low, reflecting directly on the cost of pregnancy that is about 3-4 times higher than zebu cattle.This low embryo rate occurs due to several factors. Among the most important are the intrinsic factors related tothe animals such as the low quantity and quality of the oocytes obtained by the donor, but also to extrinsicfactors such as the lack of specific culture media for the oocyte/embryo, and deficiencies in the managementconditions, that could be nutritional or sanitary. Therefore, for the expansion in commercial application, it isnecessary to reduce the cost of pregnancy, as well as to provide animals of proven productivity (progeny test) foruse in PIVE programs and that from the cost / benefit point of view compensate the use of a high cost techniquesuch as PIVE.(AU)

Produção in vitro de embrião (PIVE) na espécie bubalina / In vitro embryo production of water buffalo (Bubalus bubalis)

Nos últimos anos a biotécnica de produção in vitro de embrião (PIVE) em bubalino passou porimportantes modificações, possibilitando a sua aplicação ao nível comercial. Entretanto, a taxa de produção deembrião por doadora ainda é muito baixa, refletindo diretamente no custo da prenhez, o qual é cerca de 3-4 vezesmais elevado que aquele observado em bovino zebuíno. Essa baixa taxa de embrião ocorre em função de váriosfatores, dentre os mais importantes podemos citar os fatores intrínsecos relacionados aos animais, como a baixaquantidade e qualidade dos oócitos obtidos por doadora; mas também a fatores extrínsecos, como a falta demeios de cultivo específicos para o oócito/embrião da espécie, as deficiências nas condições de manejo(nutricional e sanitário). Portanto, para a aplicação comercial mais abrangente, é necessário baixar o custo daprenhez, bem como, disponibilizar animais de comprovada produtividade (teste de progênie) para utilização emprogramas de PIVE e que do ponto de vista custo / benefício compense a utilização dessa técnica.

In recent years, the biotechnology of in vitro embryo production (IVP) in buffalo has undergone a greatimprovement, allowing its application at the commercial level. However, the rate of embryo production perdonor is still very low, reflecting directly on the cost of pregnancy that is about 3-4 times higher than zebu cattle.This low embryo rate occurs due to several factors. Among the most important are the intrinsic factors related tothe animals such as the low quantity and quality of the oocytes obtained by the donor, but also to extrinsicfactors such as the lack of specific culture media for the oocyte/embryo, and deficiencies in the managementconditions, that could be nutritional or sanitary. Therefore, for the expansion in commercial application, it isnecessary to reduce the cost of pregnancy, as well as to provide animals of proven productivity (progeny test) foruse in PIVE programs and that from the cost / benefit point of view compensate the use of a high cost techniquesuch as PIVE.

Principais casos clínicos patológicos reprodutivos em cadelas atendidas no Hospital Mário Dias Teixeira (HOVET/UFRA), desde março de 2014 até agosto de 2015 / Main clinical pathological reproductive cases in female canines attended at the Hospital Mário Dias Teixeira (HOVET / UFRA), since March 2014 until August 2015

Reproductive changes can have several consequences, that extend from the absence of clinical signs toacute clinical manifestations, which may lead to the death of the animal. Considering that the reproductivesystem is possibly the most important for the survival of a species, this work seeks to report the mainoccurrences of pathological clinic, gynaecologic, care in female canines in order to obtain a correlationbetween factors such as race, age group and animal size. 700 dogs were treated inside the UFRA VeterinaryHospital, since March 2014 until August 2015.The largest number of occurrences were of uterus (51.54%),followed by breasts (37.57%), vagina / vulva (9.5%) and ovaries (1.4%). The most attended breed was SRD (>50%), 98% were adult and senile animals, and more than half were small size. The three main occurrences werebreast neoplasms (29.70%), pyometra (18.53%) and TVT (7.49%).(AU)

Ocorrência de esterilização por conveniência em animais domésticos atendidos no HOVET/ UFRA região metropolitana de Belém PA / Sterilization occurrence for convenience in domestic animals treated at HOVET / UFRA metropolitan area of Belém - PA

It aims to show some reasons to castrate a domestic animal such as the regulation of the population offree-living cats or confined, elimination of unpleasant behaviors such as fighting, wandering behavior and sprayurine, mainly shown by adult males. Currently affects companies in the animal health sector, nutrition,equipment, accessories, expertise of veterinarians, publications, services, among others. But there is still greatshortage of professionals focused on this very special market, where literature is scarce, as well as theknowledge Furtado. The survey was conducted at the Veterinary Federal Rural University of Amazonia Hospital(UFRA), Campus Belém / Pará, with animals attended by residents of the Animal Reproduction Department(SRA), the cat from Bethlehem.(AU)

Ocorrência de patologias da glândula mamária e distúrbios do parto em fêmeas felinas atendidas no Hospital Veterinário da Universidade Federal Rural da Amazônia / Occurrence of mammary gland diseases and Postpartum disorders in feline females met at the Veterinary Hospital of Universidade Federal Rural da Amazônia

The feline clinic is increasing in worldwide and in Brazil. The reproductive systems pathologies of catsare frequent in veterinary medicine; they featuring with complex and multifactorial causes, both in females andmales, with varying degrees of morbidity and mortality, and it has few studies about. This paper accomplished aresearch of reproductive occurrences in domestic cats, they attended by the Animal Reproduction Department(SRA) of the Veterinary Hospital, located in Federal Rural University of Amazonia (UFRA). In the period ofMarch 1, 2013 to 18 December 2015, it were 472 cats attended from the Belems metropolitan area, they being432 females and 40 males, which was related the factors breed, fur, gender and age. Most animals wereanimals mongrel and adult age group, mostly females affected in different reproductive organs, especially themammary glands with the high rate of breast tumors (24, 54%) and obstetric disorders.(AU)

Ocorrência de patologias de útero, ovário, vagina e diagnósticos fisiológicos em fêmeas felinas atendidas no Hospital Veterinário da Universidade Federal Rural da Amazônia / Occurrence of diseases of uterus, ovary, vagina and physiological diagnostics in feline females met at the Veterinary Hospital of Universidad Federal Rural da Amazonia

The pathologies that affect the reproductive systems are occurring more frequently in veterinarymedicine, because diseases are multifactorial, so may be regional variations in the incidence of certainreproductive abnormalities. This work was conducted a survey of breeding occurrences in domestic cats, theyparticipated in the Department of Animal husbandry (SRA) of the Veterinary Hospital, located at UniversidadeFederal Rural da Amazônia (UFRA). In the period of 1 March 2013 to 2015, 18 December was 472 catsparticipated in the metropolitan area of Bethlehem, they being 432 females and 40 males, which was related tothe factors of race, gender, and age. Most of the animals were stray animals and adult age group, mostlyfemales affected in different reproductive organs, with disease in the uterus and ovaries and occurrence as rarecases of cystic Dysplasia, puerperal metritis, stump pyometra, ovarian cancer and endometrial polyps. Inaddition, there was interest in animals to seek prenatal diagnosis of pregnancy of animals.(AU)

Ocorrência de patologias em machos felinos atendidos no Hospital Veterinário da Universidade Federal Rural da Amazônia / Occurrence of diseases in cats males treated at the Veterinary Hospital of the Federal Rural University of Amazonia

The pathologies of the reproductive system of cats are common in veterinary medicine and are alwayscomplex and multifactorial, where the primary objective is to determine the cause of the problem, both infemales as in males, with varying degrees of morbidity, mortality and suffering influences reproductive historyfrom previous pharmacological treatments and environmental conditions and can therefore be regionalvariations in the incidence of certain reproductive abnormalities. Cryptorchidism is incomplete testiculardescent, may be retained in any follow this path. The survey was conducted at the Veterinary Hospital (HOVET /UFRA), Belém / Pará, with animals attended by residents of Animal Reproduction Section, feline fromBethlehem. The information on the animals were obtained by consulting the records contained in the files theSISVET (veterinary System) program being evaluated only attended by veterinary medical residents of the Sectorof Small Animal Reproduction Clinic of this hospital.(AU)

Principais casos clínicos ginecológico e obstétrico em cadelas atendidas no Hospital Mário Dias Teixeira (HOVET/UFRA), desde março de 2014 até agosto de 2015 / Main gynaecological and obstetric clinical cases in dogs met in the Hospital Mário Dias Teixeira (HOVET/UFRA), from March until August 2014 2015

The aim of this paper is to describe the series of gynecological and obstetric clinical care in cats at theanimal hospital. Data were obtained during the sessions from March to August 2014 2015. In this work were217 cases in dogs that were verified with the help of abdominal palpation and ultrasound and biopsy materialcollection were made possible the diagnosis. It was noted that during obstetric and gynecological diagnoses thedogs met presented cases of gestation (29.49%), Pseudociese (12.44%), fetal Maceration (11.05%), fetalMummification (0.46%) of all cases. Distorcias cases were diagnosed (8.29%), physiological (2.76%) andpuerperal eclampsia (1.38%). Among physiological Diagnostics was found 1 case of anestrus and 1 of estrus.This study reinforces the lack of information regarding the use of contraception is one of the main reasons forthe occurrence of these cases described above.(AU)

Taxa de prenhez de acordo com o tipo de muco apresentado em cabras da raça Saanen submetidas a inseminação artificial em tempo fixo (IATF) / Pregnancy rate according to the type of mucus presented in Saanen breed goats submitted to artificial insemination in fixed time (TAI)

This study aimed to evaluate the pregnancy rate according to the type of mucus presented in Saanengoats submitted to artificial insemination in fixed time (TAI). The study was conducted in the state of Pará, in themunicipality of Iguarapé-Açu, in Pará Northeast, in a private property. 12 goats used for milk production wereused, with ages ranging from 1 to 3 years, the classification of the type of vaginal mucus, was made according toSmith (2006). The pregnancy rate for animals with crystalline mucus was 33.3% for those who had crystallinestriatedmucus was 0% for those who had striatum mucus was 66.6% for those who had striatum mucus -caseosowas 50% and for those who had mucus cheesy pregnancy rate was 50%. After data analysis showed that the typeof mucus does not influence the animal pregnancy rate.(AU)

Taxa de prenhez de acordo com o grau de abertura do orifício vaginal da cérvix de cabras Saanen no Nordeste do Pará, durante a inseminação artificial / Pregnancy rate according to the degree of opening of the vaginal orifice of the cervix Saanen goats in northeastern Pará, during artificial insemination

Was aimed at the application of reproductive technologies in goats is mainly limited to inability to crossthe long, narrow cervix, preventing intrauterine deposition of frozen semen Croy et al. (1999). The degree ofdifficulty in transposing the cervix may vary according to various factors such as individual effect, reproductivestage, postpartum interval, reproductive season, technical experience and other Husein et al. (1998). The studywas conducted in the state of Pará, in the municipality of Iguarapé-Acu, Pará northeast, at a private estate. Weused 12 Saanen goats intended for milk production, with ages ranging from 1 to 3 years, all identified withnumerical necklace and documented in animals individual. Os identification cards were created intensively withforage (Pennisetum purpureum) ground corn meal, water and mineral supplement will. The evaluation of thecervical opening degree was carried out by vaginal speculum.(AU)

Efeito do tratamento com dose reduzida do aglepristone em uma hiperplasia mamaria felina: Relato de caso / Effect of the treatment with low dose of aglepristone in a feline mammary hyperplasia: case report

Feline mammary hyperplasia (FMH) is a benign condition representing a disorder of body related tonatural or synthetic progestogen characterized by rapid cell growth of one or more mammary glands. Havingrapidly evolving and can cause serious systemic changes, it is necessary to use instant protocols, such as the useof aglepristone an antiprogestogen. This study aims to report a case of FMH with aglepristone-based therapy. Acat mongrel, with 9 months old, nulliparous, who received a contraceptive dose, showed an increase in thethoracic right mammary gland M1. The history and physical examination indicated the diagnosis of FMH. Thetherapy established was aglepristone in 3 doses (10mg / kg) every 24 hours. The result was total remission ofsymptoms. The use of aglepristone proved to be effective in the treatment of FMH even without castration.(AU)

Intervalo entre partos de Búfalas Murrah e Mestiças submetidas à monta natural e inseminação artificial no município de Taipu, Rio Grande do Norte / Interval between births of Buffaloes Murrah and Gostosas submitted to monta natural and artificial insemination in the municipality of Taipu, Rio Grande do Norte

This study aimed to avaluate the interval between calvins (IBC) from a buffalo herd, and to evaluate theinfluence of the blood level and the reproduction system in the IBC. Four hundred and one data were analyzedbetween 2000 and 2015 of buffalo females, Murrah breed, and dairy mixed breeds maintained in an intensivesystem and submitted to two daily milking. Statistical data were evaluated in the SAS software (2010), for theanalysis of the different experimental conditions, analysis of variance (ANOVA) and Tukey test with significancelevel of 5%. The mean value found for IBC was 425,9±66,1 days, the AFC mean value according to blood levelof Murrah breed and mixed breed was respectively 427,4 ± 65,5 and 418,4 ± 69,6, (P > 0,05). Consideringbreed systems artificial insemination and natural-service the IBC was 434,3 ± 55,6 and 424,1 ± 68,2respectively, (P > 0,05). Therefore, there was no influence of the blood level and breeding system on IBC.(AU)