Carcass and meat characteristics of mixed-breed cull heifers fed diets with different sources of non-protein nitrogen in feedlots.
2024
PARO, R. G. C. | SILVA, M. G. P. da | ÍTAVO, L. C. V. | ARCANJO, A. H. M. | GOMES, R. da C. | RAFAEL G. C. PARO, UNIVERSIDADE FEDERAL DE MATO GROSSO DO SUL; MANOEL G. P. DA SILVA, UNIVERSIDADE FEDERAL DE MATO GROSSO DO SUL; LUÍS CARLOS VINHAS ÍTAVO, UNIVERSIDADE FEDERAL DE MATO GROSSO DO SUL; ANGELO H. M. ARCANJO; RODRIGO DA COSTA GOMES, CNPGC.
Little information is available in the literature on carcass and meat characteristics of beef heifers. The objective was to evaluate the effect of genetic group (GG) and non-protein nitrogen (NPN) sources added to the total ration on the carcass and meat characteristics of cull heifers finished in confinement. The meat used was from 40 females, 20 ½Angus½ Nellore (A×N) and 20 ½ Charolais ½ Nellore (C×N), with an average initial weight of374.23 ± 55 kg and age of 24.0 ± 2 months. The diets evaluated had the same protein and energy levels, but different sources of NPN.
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