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Gutierrez, Gabriela Santistevan; Lana, Rogério de Paula; Teixeira, Cesar Roberto Viana; Rennó, Luciana Navajas; Veloso, Cristina Mattos. |
The objective this work was to evaluate the supplementation of cows on Brachiaria decumbens pasture during the rainy-dry transition. Eight 1/2 Holstein/Zebu cows (497 ± 50 kg) were distributed in two 4 x 4 Latin squares, with 2 x 2 factorial treatments (100% mineral salt versus nitrogen salt containing 25:25:50% urea: corn: mineral salt, and 1.5 versus 3.0 kg d-1 concentrate per cow). The experiment lasted 56 days, divided into four periods of 14 days, the last seven days for data collection. No interaction effect (p > 0.05) was detected between the supplement and the different levels of concentrate for any of the evaluated variables. No effect (p > 0.05) of supplement or concentrate level was observed on urinary excretions of purine derivatives,... |
Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Concentrate; Microbial growth; Ruminal fermentation; Supplementation.. |
Ano: 2018 |
URL: http://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/42556 |
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Mezzomo, Rafael; Paulino, Pedro Veiga Rodrigues; Detmann, Edenio; Teixeira, Cesar Roberto Viana; Alves, Lyvian Cardoso; Assunção, Rafael Neiva. |
Several tannins at different inclusion levels of protein-rich food and water addition on the amount of rumen undegradable protein (RUP) and digestible RUP (RUPd) in the rumen were evaluated. Sixty treatments were analyzed, namely: three mixtures of tannin (with different concentrations of hydrolysable and condensed tannins) were added at four different amounts (0, 1, 2.5 and 5%) in three protein foods (soybean meal, whole soybean meal and peanut meal) with and without moisture. Samples were incubated in cattle, via rumen cannula, in triplicate, to quantify rumen degraded protein (RDP), rumen undegradable protein (RUP) and digestible RUP (RUPd). Divergence in protein nutritional rate, based on discriminating variables among the groups, was estimated by... |
Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Zootecnia; Análise de alimento degradation; Protein efficiency; Rumen fermentation.. |
Ano: 2015 |
URL: http://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/28126 |
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