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Efeitos de raca e heterose na composicao fisica da carcaca e na qualidade da carne de novilhos da primeira geracao de cruzamento entre Charoles e Nelore


, : Efeitos de raca e heterose na composicao fisica da carcaca e na qualidade da carne de novilhos da primeira geracao de cruzamento entre Charoles e Nelore. Revista Brasileira de Zootecnia 31(1 Supplement): 376-386

Carcass characteristics of 463 steers, born during 1984 to 1996, from two breeding systems: straightbreds (S) and F1 crossbreds were studied. The S breeding system included the 188 Charolais (C) and 125 Nellore (N) steers and the F1 included 72 1/2 C 1/2 N and 78 1/2 N 1/2 C steers. F1 steers were superior than the purebreds in carcass fat percentage, muscle/bone relation, muscle + fat/bone relation and marbling score, being heterosis levels of 3.33, 2.92, 3.67, and 23.64%, respectively.

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