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- Title
Parámetros de fermentación y cinética ruminal en novillos suplementados con diferentes aditivos.
- Authors
Hernández Martínez, Brenda; Murillo Ortiz, Manuel; Pámanes Carrasco, Gerardo; Reyes Estrada, Osvaldo; Herrera Torres, Esperanza
- Abstract
This study aimed to evaluate the N-NH3 content, volatile fatty acids (VFA) concentration and pH using 4 ruminal fistulated steers (700 ± 100 kg) supplemented with different additives. Four diets concentrate-forage 70:30 (T1) were offered with a supplementation of monensin, yeast and a glucogenic substrate for T2, T3 and T4, respectively. Data were analyzed as a 4 x 4 latin square with factorial arrangement. Yeast supplementation increased propionate and decreased acetate concentrations (P <0.05); however, the other additives showed no effect on VFA (P >0.05). Likewise, yeast supplementation increased N-NH3 ( P <0.05) enhancing ruminal protein degradability and suggesting an increase in the fibrolytic microorganisms and promotes a higher digestibility rate. The pH was not affected by supplementation (P >0.05). It can be concluded that supplementation of 10 g of yeast on beef cattle diets improves ruminal fermentation characteristics.
- Publication
Investigación y Ciencia de la Universidad Autónoma de Aguascalientes, 2017, Vol 25, Issue 72, p5
- ISSN
1665-4412
- Publication type
Article
- DOI
10.33064/iycuaa201772214