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Registros recuperados: 11
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Centesimal composition and fatty acids of meat from lambs fed diets containing soybean hulls R. Bras. Zootec.
Costa,Lívia Santos; Silva,Robério Rodrigues; Silva,Fabiano Ferreira da; Carvalho,Gleidson Giordano Pinto de; Simionato,Julliana Izabelle; Marques,Jair de Araújo; Silva,Vinícius Lopes da; Sampaio,Cláudia Batista.
The objective of this study was to evaluate the centesimal composition and fatty acids in meat from animals fed diets containing levels of soybean hulls. The experiment was conducted at UESB in Itapetinga-BA, Brazil. Twenty-five confined Santa Inês rams were used. Treatments consisted of different levels of substitution of corn by soybean hulls (0, 25, 50, 75 and 100%) and elephant grass silage as forage. The design was completely randomized. Samples of concentrate and silage were collected to evaluate the fatty acid composition. The experimental period lasted 110 days. After this period, the animals were slaughtered and samples of the longissimus muscle were collected and vacuum-packed for further analysis. The levels of total lipid and protein showed...
Tipo: Info:eu-repo/semantics/article Palavras-chave: CLA; Meat quality; Small ruminants.
Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982012000700023
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Efeito da combinação de óleo de soja e monensina na dieta sobre o consumo de matéria seca e a digestão em vacas lactantes R. Bras. Zootec.
Eifert,Eduardo da Costa; Lana,Rogério de Paula; Leão,Maria Ignez; Arcuri,Pedro Braga; Valadares Filho,Sebastião de Campos; Leopoldino,Webel Machado; Oliveira,Juliana da Silva; Sampaio,Cláudia Batista.
Quatro vacas lactantes, fistuladas no rúmen, foram distribuídas em um quadrado latino (4x4), com 21 dias de período experimental, sendo os três últimos de avaliação, com a finalidade de avaliar os efeitos da combinação de óleo de soja e monensina sobre o consumo, a digestibilidade total e parcial dos nutrientes, os parâmetros ruminais e a síntese microbiana. Os animais foram dispostos em um arranjo fatorial (2x2) - presença ou ausência de óleo de soja (4% na MS) e presença ou ausência de monensina na dieta (33 ppm) e receberam dietas com 55% de silagem de milho e 45% de concentrado. Para avaliação da digestibilidade total e parcial, foram coletadas amostras de fezes e de digesta omasal, utilizando FDAi e Cr2O3 como indicadores. A presença de óleo reduziu o...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Ionóforos; Lipídios; Parâmetros ruminais; Síntese microbiana.
Ano: 2005 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982005000100034
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Evaluation of fecal recovering and long term bias of internal and external markers in a digestion assay with cattle R. Bras. Zootec.
Sampaio,Cláudia Batista; Detmann,Edenio; Valente,Tiago Neves Pereira; Souza,Marjorrie Augusto de; Valadares Filho,Sebastião de Campos; Paulino,Mário Fonseca.
The objective of this work was to estimate the total recovering and the long term bias of the estimates of fecal excretion using the external markers chromic oxide and titanium dioxide and internal markers indigestible dry matter (iDM), indigestible neutral detergent fiber (iNDF) and indigestible acid detergent fiber (iADF) in a digestion assay with cattle fed different diets. Fourteen F1 Red Angus x Nellore averaging 12 months and 287 kg were used. The animals were fed with elephant grass silage, corn silage or signal grass hay and supplemented or not with 20% of concentrate. The experiment consisted of two 13-days experimental periods according to a 2 x 2 Latin square design with seven squares. The animals received 10 g/d of chromic oxide and titanium...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Chromic oxide; Indigestible acid detergent fiber; Indigestible dry matter; Indigestible neutral detergent fiber; Titanium dioxide.
Ano: 2011 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982011000100025
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Evaluation of models for prediction of the energy value of diets for growing cattle from the chemical composition of feeds R. Bras. Zootec.
Sampaio,Cláudia Batista; Detmann,Edenio; Valadares Filho,Sebastião de Campos; Queiroz,Augusto César de; Valente,Tiago Neves Pereira; Silva,Robério Rodrigues; Souza,Marjorrie Augusto de; Costa,Viviane Aparecida Carli.
The objective of this study was to estimate and evaluate the contents of apparently digestible fractions of crude protein, ether extract and non-fibrous carbohydrates, the digestible fraction of the neutral detergent fiber and the content of total digestible nutrients (TDN) from the chemical composition of feeds in growing cattle fed different diets. Fourteen F1 Red Angus × Nellore young bulls with average age and weight of 12 months and 287±36 kg were used. Animals were fed elephant grass silage, corn silage or signal grass hay, with or without supplementation of 200 g concentrate per kg of the total diet. The experiment consisted of two 13-days periods, in which the concentrate supplementation was crossed over animals. The values of digestible fractions...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Apparently digestible fractions; Feed analysis; Total digestible nutrients.
Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982012000900020
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Evaluation of neutral detergent fiber contents in forages, concentrates and cattle feces ground at different particle sizes and using bags made from different textiles R. Bras. Zootec.
Valente,Tiago Neves Pereira; Detmann,Edenio; Valadares Filho,Sebastião de Campos; Queiroz,Augusto César de; Sampaio,Cláudia Batista; Gomes,Daiany Iris.
Two experiments were carried out to evaluate the effects of particles sizes on contents of neutral detergent fiber (NDF) by using nylon bags F57 (Ankom®) and non-woven textile (NWT 100 g/m²). In the first experiment, to check contents of NDF obtained with each one of the textilles, quantitative filter paper (purified cellulose) was used as analytical standard. The material was processed in a 1 or 2 mm and put in the bags in a ratio of 20 mg of dry matter/cm² of surface. The analyses were performed in a fiber analyser (Ankom220) and using a heat-stable a-amylase. No effects of particles sizes were found. In the second experiment, it was used samples of forage (signal grass hay, sugar cane, coastcross hay, corn straw, corn silage, and elephant grass at 50...
Tipo: Info:eu-repo/semantics/article Palavras-chave: F57; Non-woven textile; Nylon; Purified cellulose.
Ano: 2011 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982011000500029
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Fecal excretion patterns and short term bias of internal and external markers in a digestion assay with cattle R. Bras. Zootec.
Sampaio,Cláudia Batista; Detmann,Edenio; Valente,Tiago Neves Pereira; Costa,Viviane Aparecida Carli; Valadares Filho,Sebastião de Campos; Queiroz,Augusto Cesar de.
The objective of this work was to evaluate the fecal excretion profile and the short term bias of the external markers chromic oxide and titanium dioxide and the internal markers indigestible dry matter (iDM), indigestible neutral detergent fiber (iNDF) and indigestible acid detergent fiber (iADF) in a digestion trial with cattle fed different diets. Fourteen F1 Red Angus × Nellore bulls averaging 12 months old and 287 kg were kept in individual stalls. The animals were fed elephant grass silage, corn silage or signal grass hay, supplemented or not with 20% of concentrate mixture. The experiment consisted of two 13-day experimental periods according to a 2 × 2 Latin square design with seven squares grouping. The animals received 10 g of chromic oxide and...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Chromic oxide; Indigestible acid detergent fiber; Indigestible dry matter; Indigestible neutral detergent fiber; Titanium dioxide.
Ano: 2011 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982011000300026
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In situ estimation of indigestible compounds contents in cattle feed and feces using bags made from different textiles R. Bras. Zootec.
Valente,Tiago Neves Pereira; Detmann,Edenio; Valadares Filho,Sebastião de Campos; Cunha,Maura da; Queiroz,Augusto César de; Sampaio,Cláudia Batista.
The objective of this experiment was to evaluate estimates of concentration of indigestible dry matter (iDM), indigestible neutral detergent fiber (iNDF) and indigestible acid detergent fiber (iADF) in samples of cattle feed and feces processed at different particle sizes (1-, 2-, and 3-mm) using bags made from nylon (50 μm), F57 (Ankom®), and non-woven textile (NWT - 100 g/m²) in a in situ evaluation procedure. Eight samples of concentrates, seven samples of forages and two samples of cattle feces were used. The samples were put in the bags according to a ratio of 20 mg of dry matter/cm² of surface by using three bags of each textile for each size of particle, totaling 405 bags, which were submitted to ruminal incubation for 264 hours. The contents of...
Tipo: Info:eu-repo/semantics/article Palavras-chave: F57; Internal markers; Nylon; Non-woven textile; Particle size.
Ano: 2011 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982011000300027
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Intake and digestibility in cattle fed low-quality tropical forage and supplemented with nitrogenous compounds R. Bras. Zootec.
Lazzarini,Isis; Detmann,Edenio; Sampaio,Cláudia Batista; Paulino,Mário Fonseca; Valadares Filho,Sebastião de Campos; Souza,Marjorrie Augusto de; Oliveira,Fabrício Albani.
The objective of this study was to evaluate the effects of supplementation with nitrogenous compounds on intake, digestibility, and rumen microbial synthesis in cattle fed low-quality tropical forage. Five crossbred heifers, averaging 209 kg and fitted with ruminal fistulla, were used. The animals were fed ad libitum with signal grass (Brachiaria decumbens Stapf.) hay, which had crude protein (CP) content of 5.08%, as dry matter (DM) basis. The five treatments were defined according to the increasing level of CP in the diet (0, 3, 5, 7, and 9 percentile points above the forage CP level). The supplement consisted of the following nitrogen sources: urea, ammonium sulfate and albumin (4.5:0.5:1.0, respectively). The experiment was carried out according to a 5...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Brachiaria decumbens; Microbial protein synthesis; Rumen ammonia nitrogen; Supplementation.
Ano: 2009 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982009001000024
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Níveis de proteína na dieta de bovinos Nelore de três condições sexuais: consumo, digestibilidades total e parcial, produção microbiana e parâmetros ruminais R. Bras. Zootec.
Véras,Robson Magno Liberal; Valadares Filho,Sebastião de Campos; Azevêdo,José Augusto Gomes; Detmann,Edenio; Paulino,Mário Fonseca; Fonseca,Mozart Alves; Sampaio,Cláudia Batista.
Com o objetivo de avaliar os consumos, as digestibilidades total e parcial de MS, MO, PB, EE, FDN e CNF, a produção microbiana, as degradabilidades da silagem de milho, do fubá de milho e do farelo de algodão e os parâmetros ruminais, 12 bovinos Nelore fistulados no rúmen e duodeno foram distribuídos em três quadrados latinos 4 <FONT FACE=Symbol>´</FONT> 4 (quatro animais, quatro níveis de PB: 7, 10, 13 e 15% e quatro períodos). Cada quadrado latino foi composto por uma condição sexual (CS): fêmeas, machos castrados e machos não-castrados, com peso corporal médio de 254,8; 285,1; e 265,6 kg, respectivamente. As amostras foram incubadas em um animal de cada CS para estimativa da degradabilidade dos ingredientes e posterior determinação dos...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Fístula duodenal; Fluxo de nutrientes; Zebu.
Ano: 2007 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982007000500029
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Imprime registro no formato completo
Rumen dynamics of neutral detergent fiber in cattle fed low-quality tropical forage and supplemented with nitrogenous compounds R. Bras. Zootec.
Sampaio,Cláudia Batista; Detmann,Edenio; Lazzarini,Isis; Souza,Marjorrie Augusto de; Paulino,Mário Fonseca; Valadares Filho,Sebastião de Campos.
The aim of this work was to evaluate the effects of supplementation with nitrogenous compounds on rumen dynamics of neutral detergent fiber (NDF) in cattle fed low-quality tropical forage. Five crossbred heifers with average live weight of 180 kg and fitted with rumen cannulae were used. The animals were fed ad libitum with signal grass (Brachiaria decumbens Stapf.) hay, which had crude protein (CP) content of 4.86% of dry matter (DM). The five treatments were proposed in order to raise the CP level of diets to 0, 2, 4, 6, and 8 percentile points above the CP level of the forage. The supplement was a mixture of urea, ammonium sulfate, and albumin (4.5:0.5:1.0, respectively). The experiment was carried out according to a 5 × 5 Latin square design, with five...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Rumen degradation; Rumen fill; Signal grass; Supplementation; Urea.
Ano: 2009 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982009000300023
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Substituição do milho por farelo de palma forrageira em dietas para ovinos em crescimento: consumo e digestibilidade R. Bras. Zootec.
Véras,Robson Magno Liberal; Ferreira,Marcelo de Andrade; Véras,Antonia Sherlânea Chaves; Carvalho,Francisco Fernando Ramos de; Cavalcanti,Carmen Valéria de Araújo; Santos,Gladston Rafael Arruda; Mendonça,Sandro de Souza; Soares,Carla Aparecida; Sampaio,Cláudia Batista.
A digestibilidade aparente e os consumos de matéria seca (MS), de matéria orgânica (MO), de proteína bruta (PB), de fibra em detergente neutro (FDN) e de nutrientes digestíveis totais (NDT) foram avaliados para se determinar o efeito da substituição do milho por farelo de palma forrageira (0, 33, 66 e 100%), em dietas de ovinos em crescimento. Objetivou-se, também, a comparação da estimativa de digestibilidade aparente por intermédio dos métodos de coleta total de fezes e de indicadores internos (fibra em detergente ácido [FDAi] e fibra em detergente neutro [FDNi] indigestíveis). Foi empregado delineamento experimental em quadrado latino, constituído de quatro animais, quatro períodos e quatro níveis de substituição do milho por farelo de palma forrageira....
Tipo: Info:eu-repo/semantics/article Palavras-chave: Alimento alternativo; Carboidratos; Energia; Indicador interno.
Ano: 2005 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982005000100040
Registros recuperados: 11
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