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Provedor de dados:  BABT
País:  Brazil
Título:  Growth performance, carcass characteristics and meat quality of finishing bulls fed crude glycerin-supplemented diets
Autores:  Françozo,Mônica Chaves
Prado,Ivanor Nunes do
Cecato,Ulysses
Valero,Maribel Velandia
Zawadzki,Fernando
Ribeiro,Ossival Lolato
Prado,Rodolpho Martin do
Visentainer,Jesuí Vergílio
Data:  2013-04-01
Ano:  2013
Palavras-chave:  Cattle
Fat
Glycerin
Human health
Silage corn
Resumo:  This study was conducted to evaluate the performance, carcass characteristics and chemical composition of Longissimusmuscle (LM) of the bulls. Twenty-four Nellore bulls were used in a complete randomised design. The bulls were randomly assigned to one of the three diets containing 0, 5 or 12% glycerin. Final BW and ADG were similar (P&gt;0.05) between the bulls fed with 5 or 12% of glycerin but were higher (P<0.10) compared to the bulls fed without glycerin. DMI and feed efficiency was not affected (P&gt;0.05) by glycerin level. Hot carcass weight increased (P<0.10) when glycerin was fed at 5%. Glycerin level did not affect (P<0.05) the dressing percentage and fat thickness. LM increased (P<0.10) when glycerin was fed at 12%. Dietary glycerin did not affect (P&gt;0.05) the conformation, colour, texture, marbling and pH. There was difference (P&gt;0.05) for moisture, ashes and crude protein among glycerin levels. Bulls fed 12% glycerin present the highest (P<0.03) total lipids on LM. The percentage of saturated fatty acids (SFA), monounsaturated acids (MUFA), polyunsaturated acids (PUFA), n-6 and n-3 fatty acids and PUFA/SFA and n-6:n-3 ratios of the LM were similar among the diets. In conclusion, glycerin level did not affect the animal performance and carcass characteristics of Nellore bulls finished in feedlot.
Tipo:  Info:eu-repo/semantics/article
Idioma:  Inglês
Identificador:  http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132013000200019
Editor:  Instituto de Tecnologia do Paraná - Tecpar
Relação:  10.1590/S1516-89132013000200019
Formato:  text/html
Fonte:  Brazilian Archives of Biology and Technology v.56 n.2 2013
Direitos:  info:eu-repo/semantics/openAccess
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