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- Title
COMPORTAMENTO RUMINAL DE TOURINHOS ALIMENTADOS COM DIETAS DE GRAMÍNEA E CONCENTRADO COMERCIAL SUPLEMENTADAS COM HIBISCO E Sacharina.
- Authors
Almeida, Gaspar Pinzón; Aranda-Ibáñez, Emilio Manuel; Pérez, Jorge Pérez; Alfonso, Hernández Garay; da Silva Bueno, Ives Cláudio; Vitti, André César
- Abstract
Aiming at evaluating hibiscus (Hibiscus rosa-sinensis) and sacharina as supplements for young bulls, four crossbred animals were displayed in a Latin square experimental design. The following treatments were performed: 1 - 75% pasture + 25% concentrate; 2 - 50% pasture + 25% concentrate + 25% hibiscus; 3 - 50% pasture + 25% concentrate + 25% saccharina; and 4 - 25% pasture + 25% concentrate + 25% hibiscus + 25% saccharina. Diet composition, rumen fermentation, DM and CP degradation rates were evaluated. Rumen pH values varied from 5.82 to 6.98, for degradation of diets for grazing young bulls (P<0.05). Including these feed to the concentrate, the rumen environment diets supplemented with hibiscus, at 9h post-feeding, and with saccharina, at the feeding moment. Ammonia N contents did not present great changes when only hibiscus or saccharina were added to the diet, but there was a significant effect when both were added (P<0.001). Rumen SCFA concentrations were lower due to saccharine presence in the diet (P<0.01). Sacharina diet presented higher values for readily soluble fraction for DM and CP (P<0.01). Sacharina promoted a higher effect on DM degradation of total diets (P<0.05). Hibiscus and saccharina inclusion increased the and functionality were improved. Thus, it is viable the partial replacement of concentrate by the tested feed.
- Subjects
HIBISCUS; ANIMAL feeding; ANIMAL feeds; DIET; RUMEN fermentation; AMMONIA; BULLS; GRASSES; EXPERIMENTAL design; ANALYSIS of variance; RUMEN (Ruminants)
- Publication
Ciência Animal Brasileira, 2011, Vol 12, Issue 1, p26
- ISSN
1518-2797
- Publication type
Article
- DOI
10.5216/cab.v12i1.4878