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1.
Animals (Basel) ; 14(17)2024 Sep 04.
Article in English | MEDLINE | ID: mdl-39272361

ABSTRACT

30 Nellore animals with an average weight of 407.25 ± 2.04 kg, were distributed in a completely randomized design across the following treatments: 1-Control (without inclusion of 3-NOP); 2-BV75 (inclusion of 3-NOP at 75 mg/kg DM); 3-BV100 (inclusion of 3-NOP at 100 mg/kg DM). No significant effects were observed between treatments on ingestive behavior. However, the notable effect on the BWfinal and ADG of animals supplemented with 3-NOP compared to the control group was measurable. Cattle beef receiving 3-NOP exhibited reduced methane emissions (p < 0.0001) for all variables analyzed, resulting in an average decrease of 38.2% in methane emissions compared to the control, along with increased hydrogen emissions (g/day) (p < 0.0001). While supplementation with BV100 demonstrated lower methane emission, the performance was lower than BV75 in DMI, BWfinal, ADG, and ADG carcasses. Partial separation of metabolomics observed between groups indicated changes in meat metabolism when comparing the control group with the 3-NOP group, identifying metabolites with a variable importance projection (VIP) score > 1. In conclusion, supplementation with 3-NOP effectively reduced methane emissions and did not negatively influence animal performance.

2.
Nutrients ; 16(14)2024 Jul 16.
Article in English | MEDLINE | ID: mdl-39064724

ABSTRACT

This study aimed to investigate the effects of meat biofortified with antioxidants and canola oil on the health of older adults through blood parameters. Eighty institutionalized older persons were divided into four groups who received the following treatments: C-control meat with 46 µg/kg of meat with selenium, 3.80 g/kg of meat with vitamin E and 0.78 g/100 g of meat with conjugated linoleic acid (CLA); A-antioxidant meat with 422 µg/kg of meat with selenium, 7.65 g/kg of meat with vitamin E and 0.85 g/100 g of meat with CLA; O-oil meat with 57 µg/kg of meat with selenium, 3.98 g/kg of meat with vitamin E and 1.27 g/100 g of meat with CLA; OA-oil and antioxidant meat with 367 µg/kg of meat with selenium, 7.78 g/kg of meat with vitamin E and 1.08 g/100 g of meat with CLA. Blood samples were collected at 0, 45 and 90 days after the start of meat intake. Older adults who consumed ANT (A and AO) meat had higher concentrations of selenium (p = 0.039), vitamin E and HDL (higher concentrations of high-density lipoprotein, p = 0.048) in their blood. This study demonstrates that the consumption of Se- and vitamin E-biofortified meat increases the concentration of these metabolites in blood from older adults.


Subject(s)
Antioxidants , Food, Fortified , Red Meat , Selenium , Vitamin E , Humans , Male , Selenium/blood , Selenium/administration & dosage , Aged , Female , Vitamin E/blood , Antioxidants/analysis , Aged, 80 and over , Rapeseed Oil , Animals , Linoleic Acids, Conjugated/blood , Linoleic Acids, Conjugated/administration & dosage , Cattle , Biofortification
3.
Vet Sci ; 10(10)2023 Oct 11.
Article in English | MEDLINE | ID: mdl-37888569

ABSTRACT

This study aimed to evaluate the effectiveness of different additives in preventing urolithiasis in lambs fed a diet rich in concentrate and their impact on performance and blood and urinary parameters. Thirty-two noncastrated male lambs, crossbred Dorper × Santa Inês, with initial body weights (BWs) of 23 ± 0.1 kg and ages of 50 ± 5 days, were kept in individual pens and fed a diet composed of 6% Cynodon ssp. hay and 94% concentrate and subjected to four treatments: CON without inclusion of additives, addition of ACL 5 g/kg of dry matter (DM), addition of CCL 6.3 g/kg of DM, and addition of BZA 5 g/kg of DM. There was no effect of treatment or interaction with time on blood parameters (p > 0.050), and performance characteristics, morphometry of ruminal papillae, and scores of cecum and rumen lesions were not affected by the addition of additives to the diet (p > 0.050). Greater urinary acidification was observed in animals from CCL and ACL treatments (p = 0.033). Calcium chloride acidified the urinary pH and can be used instead of ammonium chloride at a concentration of 0.63% based on DM, when this is the objective.

4.
Metabolites ; 12(12)2022 Dec 10.
Article in English | MEDLINE | ID: mdl-36557286

ABSTRACT

This study evaluated the effects of gestational supplementation strategy on nitrogen isotopic signature in blood plasma of beef cows and their progeny. The study comprised 15 pregnant Nellore cows divided into three different supplementation protocols: NP) non-programmed group; PP) cows receiving protein−energy supplement in the last third of pregnancy; and FP) cows receiving protein−energy supplement throughout the gestational period. Blood plasma from cows was sampled at the beginning of gestation, in the prepartum, and postpartum periods as well as from their calves at 30 and 180 days of age, for the analysis of stable isotope ratios 15 N/14 N. At pre- and postpartum periods, cows fed PP and FP presented greater abundance of δ15 N compared to NP (p < 0.05) at pre- and postpartum. All three groups showed significant differences (p < 0.05) in the postpartum period. The δ15 N values of calves at 30 days of age differed between the NP group and PP and FP groups (p < 0.05), with no difference (p > 0.05) at 180 days of age. The different gestational supplementation strategies influenced isotopic fractionation of nutrients of cows and their calves after birth, indicating effects on nutritional metabolism and cumulative behavior on isotope abundance related to consumption during gestation.

5.
Metabolites ; 12(7)2022 Jul 13.
Article in English | MEDLINE | ID: mdl-35888764

ABSTRACT

The present study explored changes in the meat metabolome of animals subjected to different finishing systems and growth rates. Thirty-six Angus × Nellore crossbred steers were used in a completely randomized design with four treatments: (1) feedlot system with high average daily gain (ADG; FH); (2) feedlot system with low ADG (FL); (3) pasture system with high ADG (PH); and (4) pasture system with low ADG (PL). After harvest and chilling, Longissimus thoracis (LT) muscle samples were taken for metabolite profile analysis using nuclear magnetic resonance. Spectrum was analyzed using chenomx software, and multi- and mega-variate data analyses were performed. The PLS-DA showed clear separation between FH and PL groups and overlap among treatments with different finishing systems but similar for matching ADG (FL and PH) treatments. Using a VIP cut-off of around 1.0, ATP and fumarate were shown to be greater in meat from PL cattle, while succinate, leucine, AMP, glutamate, carnosine, inosine, methionine, G1P, and choline were greater in meat from FH. Comparing FL and PH treatments, glutamine, carnosine, urea, NAD+, malonate, lactate, isoleucine, and alanine were greater in the meat of PH cattle, while G6P and betaine were elevated in that of FL cattle. Relevant pathways were also identified by differences in growth rate (FH versus PL) and finishing system were also noted. Growth rate caused a clear difference in meat metabolism that was highlighted by energy metabolism and associated pathways, while the feeding system tended to alter protein and lipid metabolism.

6.
Nutrients ; 13(6)2021 Jun 05.
Article in English | MEDLINE | ID: mdl-34198804

ABSTRACT

The study aimed to evaluate the supplementation of gilts with cow's milk naturally enriched with n-3 and n-6 polyunsaturated fatty acids (PUFA) on reproductive outcomes, and the serum biochemical and FA profile of swine females and their offspring. During 316 days, 30 gilts were distributed into three groups: (1) Control, fed a basal diet + milk from cows without oil; (2) n-3, fed a basal diet + milk from cows fed a diet enriched with linseed oil; (3) n-6, fed a basal diet + milk from cows fed a diet enriched with soybean oil. The gilts receiving the diets containing PUFA had higher serum urea and very-low-density lipoprotein levels and lower serum total protein and low-density lipoprotein levels compared to the Control group. Females supplemented with n-3 presented higher serum palmitic acid and γ-linolenic acid levels than those fed n-6. Piglets from the Control group were heavier at birth than those from females supplemented with enriched milk. The piglets from females receiving enriched milk had 140 g higher body weight from 1 to 21 days old compared to the Control group, and greater average daily weight gain from 7 to 14 days old. The serum eicosapentaenoic acid level of piglets fed n-3 was 69% higher than those fed n-6, which reduced the AA/EPA ratio. Gilts supplemented with PUFA-enriched cow's milk showed changes in their serum palmitic and γ-linolenic acid levels, in addition to improved performance, EPA concentration and consequently reduced AA/EPA ratio in their piglets, demonstrating beneficial results for their progeny.


Subject(s)
Animals, Newborn/blood , Dietary Supplements , Fatty Acids, Unsaturated/administration & dosage , Fatty Acids/blood , Milk/chemistry , Animal Nutritional Physiological Phenomena/physiology , Animals , Cattle , Female , Food, Fortified , Maternal Nutritional Physiological Phenomena/physiology , Swine
7.
Anim Biosci ; 34(9): 1552-1558, 2021 Sep.
Article in English | MEDLINE | ID: mdl-32299174

ABSTRACT

OBJECTIVE: This work was carried out to evaluate the effects of zilpaterol hydrochloride (ZH) and ractopamine hydrochloride (RH) combined with immunocastration on the welfare traits of feedlot Nellore cattle. METHODS: Ninety-six Nellore males (average body weight [BW] = 409±50 kg; average 20 mo of age) were divided into two groups according to BW; half of the animals in each group received two doses of an immunocastration (ImC) vaccine in a 30 day interval, and the other half did not receive the vaccine (NoC). Afterward, the animals were housed and fed a common diet for 70 days. Then, they were split into three groups and fed one of the following diets for 30 additional days: control (CO) diet, with no ß-AA; ZH diet, containing 80 mg/d ZH; and RH diet, containing 300 mg/d RH. Welfare traits were assessed by monitoring body surface temperature using infrared thermography (IRT) and plasma cortisol and temperament measurements. RESULTS: There was no interaction between sexual condition and diet for any trait. The ImC and NoC groups did not differ in rectal and ocular temperatures. The ImC animals had higher flight speeds (p = 0.022) and tended to have higher cortisol levels (p = 0.059) than the NoC animals. Animals fed ZH and RH did not differ in cortisol levels, respiratory rate, rectal temperature, temperature measured by IRT, or temperament behaviour. CONCLUSION: The ImC animals showed a less stable temperament during handling practices than NoC, whereas ZH and RH supplementation had no adverse effects on animal welfare.

8.
R. bras. Saúde Prod. Anim. ; 21: e2121002020, Aug. 7, 2020. tab
Article in English | VETINDEX | ID: vti-29068

ABSTRACT

The objectives of this research were to evaluate the effects of commercial probiotic and chitosan as food additives on the quality and meat composition of 36 New Zealand White rabbits (57 ± 8 days old and 1,648 ± 0.194 kg) and on the fatty acid profile of caecotrophs. The treatments were CT (diets without inclusion of additives), PRO (inclusion of 4 g / kg of commercial probiotic) and CHI (inclusion of 4 g / kg of chitosan). The additives increased triglycerides and decreased urea compared to the control group, as well as increased oleic and linoleic acids, Ʃ unsaturated, Ʃ monounsaturated and Ʃ polyunsaturated in caecotrophs. CHI animals showed a decrease in myristic and palmitic acids compared to PRO. CHI decreased the meat's crude protein and the meat's fat. In addition, there was a decrease in omega-3, omega-6 and the relationship unsaturated and saturated fatty acids for the CHI group and an increase in erucic acid and a decrease in the rate of hypocholesterolemic acids. As a conclusion, the data showed that the animals that ingested probiotic had better meat quality, for having better fatty acid profile and hypocholesterolemic index, compared to the treatment with chitosan. The additives improved the caecotrophs fatty acid profile.(AU)


Os objetivos desta pesquisa foram avaliar os efeitos do probiótico e da quitosana como aditivos alimentares na qualidade e composição da carne de 36 coelhos da raça Nova Zelândia Branco (57±8 dias de idade e 1.648±0.194 kg) e no perfil de ácidos graxos dos cecotrofos. Os tratamentos foram CT (dietas sem inclusão de aditivos), PRO (inclusão de 4 g/kg de probiótico) e CHI (inclusão de 4 g/kg de quitosana). Os aditivos aumentaram os triglicerídeos e diminuíram a ureia em comparação ao grupo controle, bem como amentaram os ácidos oleico e linoleico, Ʃ insaturados, Ʃ monoinsaturados e Ʃ poli-insaturados nos cecotrofos. Os animais CHI apresentaram diminuição nos ácidos mirístico e palmítico em comparação ao PRO. A CHI diminuiu a proteína bruta da carne e o extrato etéreo da carne. Além disso, houve uma diminuição no ômega-3, ômega-6 e a relação entre ácidos graxos insaturados e saturados para o grupo CHI e aumento do ácido erúcico e diminuição do índice de hipocolesterolemia. Como conclusão, os dados mostraram que os animais que ingeriram probiótico apresentaram melhor qualidade da carne, por apresentarem melhores perfil de ácidos graxos e índice hipocolesterolêmico, em comparação ao tratamento com quitosana. Os aditivos melhoraram o perfil de ácidos graxos dos cecotrofos.(AU)


Subject(s)
Animals , Rabbits , Food Additives/administration & dosage , Food Additives/analysis , Fatty Acids , Meat/analysis , Chitosan/administration & dosage , Gastrointestinal Microbiome , Triglycerides , Probiotics , Cecum/microbiology
9.
R. bras. Saúde Prod. Anim. ; 21: e210262020, Aug. 7, 2020. tab
Article in English | VETINDEX | ID: vti-28131

ABSTRACT

Citrus pulp can replace corn in feedlot diets in order to decrease metabolic problems by reducing formation of lactate ruminal. However, while eating, animals can easily select against pelleted citrus pulp due to the greater particle size of the pellet. Therefore, grinding citrus pulp pellet can be an alternative to decrease particle selectivity. This study was realized to evaluate the replacement of ground corn by pelleted citrus pulp and ground citrus pulp on animal performance, sorting index, and feeding behavior of Nellore heifers. Thirty-six Nellore heifers were randomly assigned to three treatments: control diet based on ground corn (GC), partial replacement of GC by ground citrus pulp (GCP), and partial replacement of GC by pelleted citrus pulp (PCP). . Heifers fed with the GC diet had higher final body weight (BW), average daily gain (ADG), and dry matter intake (DMI) compared with heifers fed with citrus pulp (P < 0.05). Ground citrus pulp increased DMI and fiber intake compared with the PCP group (P < 0.05). Heifers fed with PCP and GCP sorted for diet particles from 8 to 19 mm and selected particles with less than 1.18 mm (P < 0.05). Thus, the ground citrus pulp is better than pelleted citrus pulp due to higher feed intake and ADG, in consequence of lower selection index.(AU)


A polpa cítrica pode substituir o milho nas dietas em confinamento, a fim de diminuir os problemas metabólicos, reduzindo a formação de lactato. No entanto, enquanto comem, os animais podem selecionar facilmente a polpa cítrica peletizada, devido ao maior tamanho de partícula do pélete. Portanto, a moagem do pélete da polpa cítrica pode ser uma alternativa para diminuir a seletividade de partículas. Este estudo teve como objetivo avaliar a substituição do milho moído por polpa cítrica peletizada e polpa cítrica moída sobre o desempenho animal, índice de seleção de partículas e comportamento alimentar de novilhas Nelore. Trinta e seis novilhas Nelore foram distribuídas aleatoriamente em três tratamentos: dieta controle à base de milho moído (MM), substituição parcial de MM por polpa cítrica moída (PCM) e substituição parcial de MM por polpa cítrica granulada (PCP). Novilhas alimentadas com dieta contendo MM apresentaram maior peso corporal final (PC), ganho médio diário (GMD) e consumo de matéria seca (CMS) em comparação com novilhas alimentadas com polpa cítrica (P <0,05). A polpa cítrica moída aumentou o CMS e o consumo de fibra em comparação ao grupo PCP (P <0,05). Novilhas alimentadas com PCP e PCM selecionaram a favor de partículas da dieta entre 8 e 19 mm e selecionaram partículas com menos de 1,18 mm (P <0,05). Assim, a polpa cítrica moída é melhor que a polpa cítrica peletizada, devido ao maior consumo de ração e ganho médio diário, em consequência do menor índice de seleção de partículas.(AU)


Subject(s)
Animals , Female , Cattle , Fruit and Vegetable Juices , Citrus , Particulate Matter , Animal Feed , Weight Gain , Zea mays
10.
Metabolites ; 10(2)2020 Feb 06.
Article in English | MEDLINE | ID: mdl-32041181

ABSTRACT

To clarify the relationship between beef genetic selection for growth and precocity with muscle metabolism and metabolites, we performed metabolomic analysis using Longissimus lumborum (LL) muscle from Nellore cattle with divergent selection for these traits (high growth, HG; low growth, LG; high precocity, HP; low precocity, LP). Genetic potential for growth affected muscle protein and energetic metabolism. HG animals had a high concentration of arginine, carnosine, and leucine compared to LG animals. HP animals presented a high concentration of glutamine, betaine, creatinine, isoleucine, carnitine, acetyl carnitine, and lower levels of glucose compared to LP animals, affecting protein and fatty acid metabolism. Intensity of selection (high or low) was correlated with changes in protein metabolism, and the type of selection (growth or precocity) affected fat metabolism. In conclusion, both HG and HP appear to be correlated with a high concentration of protein metabolites and changes in protein metabolic pathways, while selection for precocity is more correlated with changes in fat metabolism compared to animals selected for growth.

11.
Rev. bras. saúde prod. anim ; 21: e210262020, Feb. 14, 2020. tab
Article in English | VETINDEX | ID: biblio-1493844

ABSTRACT

Citrus pulp can replace corn in feedlot diets in order to decrease metabolic problems by reducing formation of lactate ruminal. However, while eating, animals can easily select against pelleted citrus pulp due to the greater particle size of the pellet. Therefore, grinding citrus pulp pellet can be an alternative to decrease particle selectivity. This study was realized to evaluate the replacement of ground corn by pelleted citrus pulp and ground citrus pulp on animal performance, sorting index, and feeding behavior of Nellore heifers. Thirty-six Nellore heifers were randomly assigned to three treatments: control diet based on ground corn (GC), partial replacement of GC by ground citrus pulp (GCP), and partial replacement of GC by pelleted citrus pulp (PCP). . Heifers fed with the GC diet had higher final body weight (BW), average daily gain (ADG), and dry matter intake (DMI) compared with heifers fed with citrus pulp (P < 0.05). Ground citrus pulp increased DMI and fiber intake compared with the PCP group (P < 0.05). Heifers fed with PCP and GCP sorted for diet particles from 8 to 19 mm and selected particles with less than 1.18 mm (P < 0.05). Thus, the ground citrus pulp is better than pelleted citrus pulp due to higher feed intake and ADG, in consequence of lower selection index.


A polpa cítrica pode substituir o milho nas dietas em confinamento, a fim de diminuir os problemas metabólicos, reduzindo a formação de lactato. No entanto, enquanto comem, os animais podem selecionar facilmente a polpa cítrica peletizada, devido ao maior tamanho de partícula do pélete. Portanto, a moagem do pélete da polpa cítrica pode ser uma alternativa para diminuir a seletividade de partículas. Este estudo teve como objetivo avaliar a substituição do milho moído por polpa cítrica peletizada e polpa cítrica moída sobre o desempenho animal, índice de seleção de partículas e comportamento alimentar de novilhas Nelore. Trinta e seis novilhas Nelore foram distribuídas aleatoriamente em três tratamentos: dieta controle à base de milho moído (MM), substituição parcial de MM por polpa cítrica moída (PCM) e substituição parcial de MM por polpa cítrica granulada (PCP). Novilhas alimentadas com dieta contendo MM apresentaram maior peso corporal final (PC), ganho médio diário (GMD) e consumo de matéria seca (CMS) em comparação com novilhas alimentadas com polpa cítrica (P <0,05). A polpa cítrica moída aumentou o CMS e o consumo de fibra em comparação ao grupo PCP (P <0,05). Novilhas alimentadas com PCP e PCM selecionaram a favor de partículas da dieta entre 8 e 19 mm e selecionaram partículas com menos de 1,18 mm (P <0,05). Assim, a polpa cítrica moída é melhor que a polpa cítrica peletizada, devido ao maior consumo de ração e ganho médio diário, em consequência do menor índice de seleção de partículas.


Subject(s)
Female , Animals , Cattle , Weight Gain , Citrus , Particulate Matter , Animal Feed , Fruit and Vegetable Juices , Zea mays
12.
Rev. bras. saúde prod. anim ; 21: e2121002020, Feb. 14, 2020. tab
Article in English | VETINDEX | ID: biblio-1493849

ABSTRACT

The objectives of this research were to evaluate the effects of commercial probiotic and chitosan as food additives on the quality and meat composition of 36 New Zealand White rabbits (57 ± 8 days old and 1,648 ± 0.194 kg) and on the fatty acid profile of caecotrophs. The treatments were CT (diets without inclusion of additives), PRO (inclusion of 4 g / kg of commercial probiotic) and CHI (inclusion of 4 g / kg of chitosan). The additives increased triglycerides and decreased urea compared to the control group, as well as increased oleic and linoleic acids, Ʃ unsaturated, Ʃ monounsaturated and Ʃ polyunsaturated in caecotrophs. CHI animals showed a decrease in myristic and palmitic acids compared to PRO. CHI decreased the meat's crude protein and the meat's fat. In addition, there was a decrease in omega-3, omega-6 and the relationship unsaturated and saturated fatty acids for the CHI group and an increase in erucic acid and a decrease in the rate of hypocholesterolemic acids. As a conclusion, the data showed that the animals that ingested probiotic had better meat quality, for having better fatty acid profile and hypocholesterolemic index, compared to the treatment with chitosan. The additives improved the caecotrophs fatty acid profile.


Os objetivos desta pesquisa foram avaliar os efeitos do probiótico e da quitosana como aditivos alimentares na qualidade e composição da carne de 36 coelhos da raça Nova Zelândia Branco (57±8 dias de idade e 1.648±0.194 kg) e no perfil de ácidos graxos dos cecotrofos. Os tratamentos foram CT (dietas sem inclusão de aditivos), PRO (inclusão de 4 g/kg de probiótico) e CHI (inclusão de 4 g/kg de quitosana). Os aditivos aumentaram os triglicerídeos e diminuíram a ureia em comparação ao grupo controle, bem como amentaram os ácidos oleico e linoleico, Ʃ insaturados, Ʃ monoinsaturados e Ʃ poli-insaturados nos cecotrofos. Os animais CHI apresentaram diminuição nos ácidos mirístico e palmítico em comparação ao PRO. A CHI diminuiu a proteína bruta da carne e o extrato etéreo da carne. Além disso, houve uma diminuição no ômega-3, ômega-6 e a relação entre ácidos graxos insaturados e saturados para o grupo CHI e aumento do ácido erúcico e diminuição do índice de hipocolesterolemia. Como conclusão, os dados mostraram que os animais que ingeriram probiótico apresentaram melhor qualidade da carne, por apresentarem melhores perfil de ácidos graxos e índice hipocolesterolêmico, em comparação ao tratamento com quitosana. Os aditivos melhoraram o perfil de ácidos graxos dos cecotrofos.


Subject(s)
Animals , Rabbits , Food Additives/administration & dosage , Food Additives/analysis , Meat/analysis , Gastrointestinal Microbiome , Chitosan/administration & dosage , Fatty Acids , Cecum/microbiology , Probiotics , Triglycerides
13.
Rev. bras. zootec ; 49: e20190146, 2020. tab, graf
Article in English | VETINDEX | ID: biblio-1444112

ABSTRACT

The objective of this study was to evaluate the effects of combining immunocastration and ß-adrenergic agonists (ß-AA) on blood metabolites and their correlations with performance and carcass traits of Nellore cattle. Ninety-six Nellore males were distributed in a randomized block design with a 2×3 factorial arrangement. The factors were two sexual conditions (immunocastrated and non-castrated), and three diets (control, with no inclusion of ß-AA; RH, with 300 mg of ractopamine hydrochloride/d; and ZH, with 80 mg of zilpaterol hydrochloride/animal/d). The trial was conducted during 100 d, during which animals were fed ZH and RH for the last 30 and 33 d, respectively. Blood metabolites related to lipid and protein metabolism were assessed at the baseline (0 d of ß-AA supplementation) and after 13 and 30 d of ß-AA supplementation. No effect of sexual condition × ß-AA supplementation × time on feed interaction was observed. Combining immunocastration with ß-AA supplementation modified cholesterol and non-esterified fatty acids concentrations without affecting protein metabolism. Immunocastration enhances lipogenesis and reduces skeletal muscle accretion by increasing high-density lipoprotein and triglycerides concentrations and decreasing creatinine and creatine kinase concentrations, respectively. Zilpaterol hydrochloride enhances skeletal muscle accretion by decreasing urea and total protein concentrations and increases creatinine and creatine kinase concentrations without modifying lipid metabolism.(AU)


Subject(s)
Animals , Castration/veterinary , Adrenergic beta-Agonists/analysis , Meat/analysis , Cattle
14.
Rev. Bras. Zootec. (Online) ; 48: e20180004, 2019. tab
Article in English | VETINDEX | ID: biblio-1511045

ABSTRACT

This study was carried out to evaluate the effect of a blend of additives (choline, methionine, selenium, and organic zinc) on performance, feed efficiency, rumen parameters, and carcass traits of Nellore heifers finished with roughage-free diet. Nellore heifers (n = 36; average BW = 244±24.1 kg; average 24 months of age) were maintained in a feedlot system for 86 d. Heifers were separated into two groups: control and additive. Heifers in control group were fed a based diet composed of 850 g kg−1 corn grain and 150 g kg−1 of a mineral-vitamin-protein pellet. The additive group was fed a diet supplemented with a blend of choline, methionine, selenium, and organic zinc at 1,667, 4,000, 1, and 24.37 mg kg−1 of the diet dry matter, respectively. The animals were allotted to 18 pens (two heifers/pen), with nine pens per treatment. Heifers were weighed, blood samples were collected, ultrasonography examinations were performed periodically, and hot carcass and papillae samples were taken at slaughter. Data were analyzed as a completely randomized design. The model included the fixed effect of treatments (control and additive). Additive supplementation did not change dry matter intake, performance, or feed efficiency. There was no effect of additives on muscle or fat tissue deposition. Consequently, no changes in hot carcass weight and dressing were found. Overall, additive inclusion did not alter blood parameters, blood electrolyte balance, and rumen traits. Nellore heifers finished with roughage-free diets have no improvement on production traits nor in their rumen health by supplementation with a blend of choline, methionine, selenium, and organic zinc.(AU)


Subject(s)
Animals , Cattle/physiology , Eating , Meat/analysis , Zea mays/chemistry , Food Additives/analysis
15.
Braz. j. vet. res. anim. sci ; 55(3): e133480, Outubro 25, 2018. tab, graf
Article in English | VETINDEX | ID: vti-20466

ABSTRACT

The present study aimed to evaluate non-fiber carbohydrates (NFC) in sugarcane-based diets on rumen pH, and forage digestibility, and to describe NFC degradation curves. The study consisted of two trials. For the first trial, three rumen cannulated steers, BW of 350 ± 15 kg (mean ± SE), were assigned in a 3×3 Latin Square (LS) design. They were fed diets containing finely-ground (0.9 mm average particle size) corn (GC), steam-rolled corn (SRC), or pelleted citrus pulp (PCP). Each period had 14 d, with the first 12 for adaptation. The 13th d was for serial measurement of rumen pH, and the14th for rumen fluid collection and in vitro incubation for DM and NDF digestibility (IVDMD and IVNDFD) of bermudagrass hay (Hay), corn (CS), and sugarcane (SS) silages. In the second trial, rumen fluid of a cannulated bull, fed corn silage and a regular concentrate, was collected for in vitro digestion of NFC for multiple time points. The incubation results were used to adjust the NFC degradation curves, and calculate lag-time, feed fractions, and degradation rate. Data from first trial was analyzed in a 3×3 LS. The model for the digestibility parameters included fixed effects of forage (Feed), diets with NFC (Diet), and their interaction (Feed × Diet), and random effect of animal and period. The model for rumen pH included fixed effect of diet, time as repeated measures, animal and period as random effects. The significance was considered at probability ≤ 5% (α = 0.05). The NFC degradation curves were adjusted using the PROC NLIN procedure from SAS, and equation parameters compared using confidence intervals. There was a Diet × Time interaction on rumen pH (P = 0.04), where SRC decreased pH compared to PCP and GC diets at the time 6 h, only. There was no Feed × Diet interaction effect (P > 0.05) for any digestibility parameter. There was a Feed effect on both IVDMD and IVNDFD, either after 30 or 48 h incubation (P < 0.01). The CS had the greatest IVDMD, followed by SS and Hay, after 30 and 48 h of incubation. The CS had the greatest IVNDFD after 30 h, compared to SS and Hay. However, for IVNDFD after 48 h, CS presented the greatest mean, followed by SS and Hay. The rumen fluid from animals fed SRC decreased both IVDMD and IVNDFD (P < 0.05) of all roughages after 48 h. Results from the second trial showed that the PCP had lower Lag Time, B fraction and greater kd compared to both corn sources, and SRC had greater kd than GC. In conclusion, the SRC diet decreased rumen pH 6 h after feeding and, consequently, decreased fiber digestibility of the tropical forage sources evaluated. Although the PCP had lower lag time, and faster rate of degradation of B fraction, it did not negatively affect rumen pH or fiber digestibility of forage.(AU)


O presente estudo teve como objetivo avaliar os carboidratos não-fibrosos (CNF) em dietas à base de cana-de-açúcar sobre o pH ruminal e digestibilidade da forragem, e descrever as curvas de degradação dos CNF. O estudo foi composto de dois ensaios. No primeiro, três novilhos canulados no rúmen, com peso vivo de 350 ± 15 kg (Média ± DP), foram alocados em um quadrado latino (QL) 3×3, e alimentados com dietas contendo: milho moído (MM, tamanho de partículas 0,9 mm), laminado a vapor (MLV) ou polpa cítrica peletizada (PCP). Cada período tinha 14 d, sendo os primeiros 12 para adaptação e o 13º para a medição seriada do pH e o 14º para a coleta de líquido ruminal e incubação in vitro para digestibilidade da MS e FDN (DIVMS e DIVFDN) de feno de bermudagrass (Feno) e silagens de milho (SM) e cana (SC). No segundo ensaio, coletou-se fluido ruminal de um touro canulado, alimentado com silagem de milho e concentrado padrão, para digestão in vitro dos CNF em vários tempos. Esses resultados foram utilizados para ajustar as curvas de degradação dos CNF e calcular o tempo de colonização, frações alimentares e taxa de degradação. Os resultados do primeiro ensaio foram analisados em um QL 3×3. O modelo dos parâmetros de digestibilidade incluiu efeito fixo de forragem (Alimento), dieta com CNF (Dieta) e interação (Alimento × Dieta), e efeito aleatório de animal e período. O modelo para pH incluiu efeito fixo de Dieta, Tempo como medida repetida, animal e período como aleatórios. Foi considerada a probabilidade significativa de ≤ 5% (α = 0,05). As curvas de degradação dos CNF foram ajustadas pelo PROC NLIN do SAS, e parâmetros de equação comparados por intervalo de confiança. Houve interação Dieta × Tempo no pH ruminal (P = 0,04), onde o MLV diminuiu o pH comparado com PCP e MM apenas no tempo 6 h. Não houve interação Alimento × Dieta (P > 0,05) para nenhum parâmetro de digestibilidade. Houve efeito de Alimento sobre a DIVMS e DIVFDN, após 30 e 48 h de incubação (P < 0,01). A SM teve a maior DIVMS, seguido por SC e Feno, após 30 e 48 h de incubação. A SM teve a maior DIVFDN após 30 h, comparado com SC e Feno. No entanto, para DIVFDN após 48 h, a SM teve maior média, seguida da SC e Feno. O fluido ruminal de animais alimentados com MLV diminuiu a DIVMS e DIVFDN (P < 0.05) de todas as forragens, após 48 h. Resultados do segundo ensaio mostram que PCP diminuiu o tempo de colonização, fração B e aumentou a kd comparado com os dois milhos, e MLV apresentou maior kd que o MM. Em conclusão, a dieta com MLV diminuiu o pH ruminal no tempo 6 h e, consequentemente, diminuiu a DIVFDN das forragens avaliadas. Embora PCP tenha apresentado menor tempo de colonização e maior taxa de degradação da fração B, não afetou negativamente o pH do rúmen nem a digestibilidade da fibra das forragens. (au)


Subject(s)
Carbohydrates/analysis , Citrus/chemistry , Rumination, Digestive , Zea mays/adverse effects
16.
Braz. J. Vet. Res. Anim. Sci. (Online) ; 55(3): e133480, Outubro 25, 2018. tab, graf
Article in English | LILACS, VETINDEX | ID: biblio-969185

ABSTRACT

The present study aimed to evaluate non-fiber carbohydrates (NFC) in sugarcane-based diets on rumen pH, and forage digestibility, and to describe NFC degradation curves. The study consisted of two trials. For the first trial, three rumen cannulated steers, BW of 350 ± 15 kg (mean ± SE), were assigned in a 3×3 Latin Square (LS) design. They were fed diets containing finely-ground (0.9 mm average particle size) corn (GC), steam-rolled corn (SRC), or pelleted citrus pulp (PCP). Each period had 14 d, with the first 12 for adaptation. The 13th d was for serial measurement of rumen pH, and the14th for rumen fluid collection and in vitro incubation for DM and NDF digestibility (IVDMD and IVNDFD) of bermudagrass hay (Hay), corn (CS), and sugarcane (SS) silages. In the second trial, rumen fluid of a cannulated bull, fed corn silage and a regular concentrate, was collected for in vitro digestion of NFC for multiple time points. The incubation results were used to adjust the NFC degradation curves, and calculate lag-time, feed fractions, and degradation rate. Data from first trial was analyzed in a 3×3 LS. The model for the digestibility parameters included fixed effects of forage (Feed), diets with NFC (Diet), and their interaction (Feed × Diet), and random effect of animal and period. The model for rumen pH included fixed effect of diet, time as repeated measures, animal and period as random effects. The significance was considered at probability ≤ 5% (α = 0.05). The NFC degradation curves were adjusted using the PROC NLIN procedure from SAS, and equation parameters compared using confidence intervals. There was a Diet × Time interaction on rumen pH (P = 0.04), where SRC decreased pH compared to PCP and GC diets at the time 6 h, only. There was no Feed × Diet interaction effect (P > 0.05) for any digestibility parameter. There was a Feed effect on both IVDMD and IVNDFD, either after 30 or 48 h incubation (P < 0.01). The CS had the greatest IVDMD, followed by SS and Hay, after 30 and 48 h of incubation. The CS had the greatest IVNDFD after 30 h, compared to SS and Hay. However, for IVNDFD after 48 h, CS presented the greatest mean, followed by SS and Hay. The rumen fluid from animals fed SRC decreased both IVDMD and IVNDFD (P < 0.05) of all roughages after 48 h. Results from the second trial showed that the PCP had lower Lag Time, B fraction and greater kd compared to both corn sources, and SRC had greater kd than GC. In conclusion, the SRC diet decreased rumen pH 6 h after feeding and, consequently, decreased fiber digestibility of the tropical forage sources evaluated. Although the PCP had lower lag time, and faster rate of degradation of B fraction, it did not negatively affect rumen pH or fiber digestibility of forage.(AU)


O presente estudo teve como objetivo avaliar os carboidratos não-fibrosos (CNF) em dietas à base de cana-de-açúcar sobre o pH ruminal e digestibilidade da forragem, e descrever as curvas de degradação dos CNF. O estudo foi composto de dois ensaios. No primeiro, três novilhos canulados no rúmen, com peso vivo de 350 ± 15 kg (Média ± DP), foram alocados em um quadrado latino (QL) 3×3, e alimentados com dietas contendo: milho moído (MM, tamanho de partículas 0,9 mm), laminado a vapor (MLV) ou polpa cítrica peletizada (PCP). Cada período tinha 14 d, sendo os primeiros 12 para adaptação e o 13º para a medição seriada do pH e o 14º para a coleta de líquido ruminal e incubação in vitro para digestibilidade da MS e FDN (DIVMS e DIVFDN) de feno de bermudagrass (Feno) e silagens de milho (SM) e cana (SC). No segundo ensaio, coletou-se fluido ruminal de um touro canulado, alimentado com silagem de milho e concentrado padrão, para digestão in vitro dos CNF em vários tempos. Esses resultados foram utilizados para ajustar as curvas de degradação dos CNF e calcular o tempo de colonização, frações alimentares e taxa de degradação. Os resultados do primeiro ensaio foram analisados em um QL 3×3. O modelo dos parâmetros de digestibilidade incluiu efeito fixo de forragem (Alimento), dieta com CNF (Dieta) e interação (Alimento × Dieta), e efeito aleatório de animal e período. O modelo para pH incluiu efeito fixo de Dieta, Tempo como medida repetida, animal e período como aleatórios. Foi considerada a probabilidade significativa de ≤ 5% (α = 0,05). As curvas de degradação dos CNF foram ajustadas pelo PROC NLIN do SAS, e parâmetros de equação comparados por intervalo de confiança. Houve interação Dieta × Tempo no pH ruminal (P = 0,04), onde o MLV diminuiu o pH comparado com PCP e MM apenas no tempo 6 h. Não houve interação Alimento × Dieta (P > 0,05) para nenhum parâmetro de digestibilidade. Houve efeito de Alimento sobre a DIVMS e DIVFDN, após 30 e 48 h de incubação (P < 0,01). A SM teve a maior DIVMS, seguido por SC e Feno, após 30 e 48 h de incubação. A SM teve a maior DIVFDN após 30 h, comparado com SC e Feno. No entanto, para DIVFDN após 48 h, a SM teve maior média, seguida da SC e Feno. O fluido ruminal de animais alimentados com MLV diminuiu a DIVMS e DIVFDN (P < 0.05) de todas as forragens, após 48 h. Resultados do segundo ensaio mostram que PCP diminuiu o tempo de colonização, fração B e aumentou a kd comparado com os dois milhos, e MLV apresentou maior kd que o MM. Em conclusão, a dieta com MLV diminuiu o pH ruminal no tempo 6 h e, consequentemente, diminuiu a DIVFDN das forragens avaliadas. Embora PCP tenha apresentado menor tempo de colonização e maior taxa de degradação da fração B, não afetou negativamente o pH do rúmen nem a digestibilidade da fibra das forragens. (au)


Subject(s)
Carbohydrates/analysis , Citrus/chemistry , Rumination, Digestive , Zea mays/adverse effects
17.
Article in English | LILACS-Express | VETINDEX | ID: biblio-1471084

ABSTRACT

The present study aimed to evaluate non-fiber carbohydrates (NFC) in sugarcane-based diets on rumen pH, and forage digestibility, and to describe NFC degradation curves. The study consisted of two trials. For the first trial, three rumen cannulated steers, BW of 350 ± 15 kg (mean ± SE), were assigned in a 3×3 Latin Square (LS) design. They were fed diets containing finely-ground (0.9 mm average particle size) corn (GC), steam-rolled corn (SRC), or pelleted citrus pulp (PCP). Each period had 14 d, with the first 12 for adaptation. The 13th d was for serial measurement of rumen pH, and the14th for rumen fluid collection and in vitro incubation for DM and NDF digestibility (IVDMD and IVNDFD) of bermudagrass hay (Hay), corn (CS), and sugarcane (SS) silages. In the second trial, rumen fluid of a cannulated bull, fed corn silage and a regular concentrate, was collected for in vitro digestion of NFC for multiple time points. The incubation results were used to adjust the NFC degradation curves, and calculate lag-time, feed fractions, and degradation rate. Data from first trial was analyzed in a 3×3 LS. The model for the digestibility parameters included fixed effects of forage (Feed), diets with NFC (Diet), and their interaction (Feed × Diet), and random effect of animal and period. The model for rumen pH included fixed effect of diet, time as repeated measu


O presente estudo teve como objetivo avaliar os carboidratos não-fibrosos (CNF) em dietas à base de cana-de-açúcar sobre o pH ruminal e digestibilidade da forragem, e descrever as curvas de degradação dos CNF. O estudo foi composto de dois ensaios. No primeiro, três novilhos canulados no rúmen, com peso vivo de 350 ± 15 kg (Média ± DP), foram alocados em um quadrado latino (QL) 3×3, e alimentados com dietas contendo: milho moído (MM, tamanho de partículas 0,9 mm), laminado a vapor (MLV) ou polpa cítrica peletizada (PCP). Cada período tinha 14 d, sendo os primeiros 12 para adaptação e o 13º para a medição seriada do pH e o 14º para a coleta de líquido ruminal e incubação in vitro para digestibilidade da MS e FDN (DIVMS e DIVFDN) de feno de bermudagrass (Feno) e silagens de milho (SM) e cana (SC). No segundo ensaio, coletou-se fluido ruminal de um touro canulado, alimentado com silagem de milho e concentrado padrão, para digestão in vitro dos CNF em vários tempos. Esses resultados foram utilizados para ajustar as curvas de degradação dos CNF e calcular o tempo de colonização, frações alimentares e taxa de degradação. Os resultados do primeiro ensaio foram analisados em um QL 3×3. O modelo dos parâmetros de digestibilidade incluiu efeito fixo de forragem (Alimento), dieta com CNF (Dieta) e interação (Alimento × Dieta), e efeito aleatóri

18.
Article in English | VETINDEX | ID: vti-760598

ABSTRACT

The present study aimed to evaluate non-fiber carbohydrates (NFC) in sugarcane-based diets on rumen pH, and forage digestibility, and to describe NFC degradation curves. The study consisted of two trials. For the first trial, three rumen cannulated steers, BW of 350 ± 15 kg (mean ± SE), were assigned in a 3×3 Latin Square (LS) design. They were fed diets containing finely-ground (0.9 mm average particle size) corn (GC), steam-rolled corn (SRC), or pelleted citrus pulp (PCP). Each period had 14 d, with the first 12 for adaptation. The 13th d was for serial measurement of rumen pH, and the14th for rumen fluid collection and in vitro incubation for DM and NDF digestibility (IVDMD and IVNDFD) of bermudagrass hay (Hay), corn (CS), and sugarcane (SS) silages. In the second trial, rumen fluid of a cannulated bull, fed corn silage and a regular concentrate, was collected for in vitro digestion of NFC for multiple time points. The incubation results were used to adjust the NFC degradation curves, and calculate lag-time, feed fractions, and degradation rate. Data from first trial was analyzed in a 3×3 LS. The model for the digestibility parameters included fixed effects of forage (Feed), diets with NFC (Diet), and their interaction (Feed × Diet), and random effect of animal and period. The model for rumen pH included fixed effect of diet, time as repeated measu


O presente estudo teve como objetivo avaliar os carboidratos não-fibrosos (CNF) em dietas à base de cana-de-açúcar sobre o pH ruminal e digestibilidade da forragem, e descrever as curvas de degradação dos CNF. O estudo foi composto de dois ensaios. No primeiro, três novilhos canulados no rúmen, com peso vivo de 350 ± 15 kg (Média ± DP), foram alocados em um quadrado latino (QL) 3×3, e alimentados com dietas contendo: milho moído (MM, tamanho de partículas 0,9 mm), laminado a vapor (MLV) ou polpa cítrica peletizada (PCP). Cada período tinha 14 d, sendo os primeiros 12 para adaptação e o 13º para a medição seriada do pH e o 14º para a coleta de líquido ruminal e incubação in vitro para digestibilidade da MS e FDN (DIVMS e DIVFDN) de feno de bermudagrass (Feno) e silagens de milho (SM) e cana (SC). No segundo ensaio, coletou-se fluido ruminal de um touro canulado, alimentado com silagem de milho e concentrado padrão, para digestão in vitro dos CNF em vários tempos. Esses resultados foram utilizados para ajustar as curvas de degradação dos CNF e calcular o tempo de colonização, frações alimentares e taxa de degradação. Os resultados do primeiro ensaio foram analisados em um QL 3×3. O modelo dos parâmetros de digestibilidade incluiu efeito fixo de forragem (Alimento), dieta com CNF (Dieta) e interação (Alimento × Dieta), e efeito aleatóri

19.
Pirassununga; s.n; 19/12/2011. 122 p. tab, graf.
Thesis in Portuguese | VETINDEX | ID: biblio-1504666

ABSTRACT

Objetivou-se avaliar o uso do grão de soja cru integral na dieta de bovinos de corte sobre o consumo e digestibilidade da matéria seca e nutrientes, fermentação ruminal, desempenho produtivo, síntese de proteína microbiana, características de carcaça qualidade da carne, perfil de ácidos graxos da carne, concentrações de parâmetros sanguíneos, excreção e czados dois experimentos, sendo que no primeiro, foram utilizados 12 bovinos Nelore, castrados, canulados no rúmen, agrupados em três quadrados latinos 4x4. No segundo experimento foram utilizados 52 bovinos Nelore, inteiros, confinados por 84 dias, em delineamento inteiramente casualizado. A dieta empregada foi a mesma, para ambos os experimentos, constituída de quatro rações, com relação volumoso/concentrado de 60/40, a qual foi composta de milho moído, farelo de soja, grão de soja cru integral, núcleo e silagem de milho. As dietas foram: G0: dieta controle sem a inclusão do grão de soja; G8, G16 e G24, com 8, 16 e 24%, respectivamente de grão de soja cru integral na ração, na matéria seca. No Experimento 1, amostras de fezes e sobras foram coletadas nos 11o, 12o 13o dia experimento, amostras de sangue e urina foram colhidas e avaliado o peso vivo. A digestibilidade foi determinada por meio de indicador interno FDAi. No Experimento 2, a cada 28 dias, os animais foram pesados e amostras de sangue foram coletadas. Os animais foram abatidos ao 85o dia e foi avaliado o peso do fígado (PFi) e peso de carcaça quente (PCQ). Vinte e quatro horas após o abate, foram mensurados o pH, e rendimento de carcaça (RC). Na desossa foi avaliada a área de olho de lombo (AOL) e a espessura de gordura subcutânea (EGS) no músculo Longissimus. Foram retiradas amostras do músculo Longissimus, para determinação do perfil de ácidos graxos na carne (PAG) extrato etéreo (EE), maciez objetiva e sensorial da carne maturada por 14 dias. Houve redução no consumo de matéria seca, matéria orgânica, de carboidratos totais e carboidratos não fibrosos nos animais alimentados com a ração G24. Foi observado efeito linear crescente no consumo de EE e efeito quadrático no consumo de proteína bruta. Houve diferença na digestibilidade aparente total do EE e carboidratos totais com a adição do grão de soja na dieta. Na fermentação ruminal, houve queda linear no valor de pH ruminal e a concentração de nitrogênio amoniacal ruminal foi maior para os animais que receberam a dieta controle em relação às dietas com grão de soja, havendo um maior valor de ácidos graxos de cadeia curta para o grupo controle. O teor de colesterol sanguíneo aumentou linearmente com a inclusão do grão e no primeiro experimento também houve aumento do colesterol HDL. Para desempenho, atributos de carcaça e medidas de ultrassonografia não foi observado efeito de acordo com a dieta. Houve efeito quadrático para força de cisalhamento (FC), com maior valor para a carne dos animais qu...


The objee the use of whole raw soybean grain in the diet of beef cattle on consumption and digestibility of dry matter and nutrients, ruminal fermentation, growth performance, microbial protein synthesis, carcass traits, meat quality, profile of fatty acids in meat, concentrations of blood parameters, excretion and composition of soybean in the faeces. ere used 12 Nellore, castrated, cannulated in the rumen, grouped in three 4x4 Latin squares. In the second experiment were used 52 Nellore, not castrated, confined for 84 days in a completely randomized delineation. The diet used was the same for both experiments, consisting of four rations, with the forage / concentrate ratio of 60/40, which was composed of ground corn, soybean meal, whole raw soybean grain, nucleos and corn silage. The diets were: G0: control diet without the inclusion of soybean, G8, G16 and G24, with 8, 16 and 24% respectively of whole raw soybean grain in ration, in the dry matter. In the first experiment, fecal samples and remains were collected on the 11th, 12th and 13th day of experiment, blood and urine samples were collected and the body weight was analyzed. The digestibility was determined by an internal indicator iADF. In Experiment 2, every 28 days, the animals were weighed and blood samples were collected. The animals were slaughtered at 85 days and were weighed the liver (PFi) and hot carcass weight (HCW). Twenty-four hours after the slaughter, the pH was measured, likewise the carcass yield (CY). Deboning was evaluated in rib eye area (REA) and subcutaneous fat thickness (SFT) in the Longissimus muscle. Samples were taken from the Longissimus for determining the fatty acid profile in meat (PAG) in ether extract (EE), objective tenderness and sensorial in aged beef for 14 days. There was a reduction in the dry matter intake, organic matter, total carbohydrates and non-fibrous carbohydrates in animals fed with feed with ration G24. It was observed an increasing linear effect on the EE intake and a quadratic effect on crude protein. Also difference in the apparent digestibility of total carbohydrates and total EE. On ruminal fermentation, there was a linear decline in ruminal pH and ruminal ammonia concentration was higher for animals that received the control diet compared to diets with soybean, with a value greater short-chain fatty acids for the group control. The level of blood cholesterol increased linearly with the addition of grain and in the first experiment there was also increase of HDL cholesterol. For performance, attributes of carcass and measures of ultrasound effect were not observed according to the diet. There was a quadratic effect for shear force (FC), with higher value for the meat of animals that received 8% of the soybean. There was a slight improvement in lipid profile for animals receiving the grain and the inclusion in the sensory analysis of the grainbeane...


Subject(s)
Cattle , Animal Nutrition Sciences/methods , Animal Husbandry/economics , Glycine max/economics , Fatty Acids/metabolism , Blood Chemical Analysis/veterinary
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