L
Título: Methane emissions and estimates of ruminal fermentation parameters in beef cattle fed different dietary concentrate levels.
Autores: PEDREIRA, M. dos S.
OLIVEIRA, S. G. de
PRIMAVESI, O.
LIMA, M. A. de
FRIGHETTO, R. T. S.
BERCHIELLI, T. T.
Fecha: 2013
2013-07-31
Publicador: Repositório Acesso Livre à Informação Científica da Embrapa (ALICE)
Fuente:
Tipo: Artigo em periódico indexado (ALICE)
Tema: SF6
Metano
Gado de corte
Efeito estufa
Nutrição animal
Sorgo
Greenhouse gases
Rumen fermentation
Nutritive value
Sulfur hexafluoride
Descripción: Abstract: Using sorghum silage, the effect of roughage/concentrate ratios was evaluated on nutrient intake, digestibility, ruminal parameters and methane production by beef cattle. Three treatments (0, 30 and 60% of concentrate in DM of the diet) were distributed in three Latin squares, with nine animals and three periods. Dry matter intake increased as the grain concentration in diet increased; pH showed opposite behavior. Methane emissions were lower for animals fed the diet exclusively with sorghum silage as compared with those fed 30% of concentrate, but was similar to that of animals receiving 60% of concentrate. Losses of ingested gross energy as methane were reduced by 33% when grain concentration was increased in the diet. Concentrations of propionic and butyric acids were greater in diets with grain concentrate; acetic acid concentration was not affected. Concentrate in diet increases available energy for the metabolism, measured by lower losses of ingested gross energy as ruminal methane.
2013
Idioma: en

Artículos similares:

Efeito da adubação nitrogenada e potássica de cobertura sobre a infestação de Diatraea saccharalis em sorgo sacarino. por CRUZ, S. C. B. da,VILELA, M.,MENDES, S. M.,SANTOS, F. C. dos,CARVALHO, E. A. R. de,SANTOS, A. E. dos
Percepção ambiental de produtores de milho relativa às plantas espontâneas na região Central de Minas Gerais. por MATRANGOLO, W. J. R.,OLIVEIRA, M. F. de,ALBERNAZ, W. M.,SILVA, I. H. S. da,MIRANDA, G. A.
Potencial alelopático de folhas de manga e jambolão sob a germinação e emergência de espécies cultivadas e nativas. por GATTI, A. B.,RONQUIM, C. C.,IMATOMI, M.,BERNARDO, V.,OLIVEIRA, A. V. de,PEREZ, S. C. J. G. de A.
10