Carcas evaluation of kids slaughtered on diferent live-weights

Authors

  • Mauro Sartori Bueno Secretaria de Agricultura e Abastecimento do Estado de São Paulo, Agência Paulista de Tecnologia dos Agronegócios, Instituto de Zootecnia, Centro de Pesquisa e Desenvolvimento em Zootecnia Diversificada, Nova Odessa, SP
  • Luiz Eduardo dos Santos Secretaria de Agricultura e Abastecimento do Estado de São Paulo, Agência Paulista de Tecnologia dos Agronegócios, Instituto de Zootecnia, Centro de Pesquisa e Desenvolvimento em Zootecnia Diversificada, Nova Odessa, SP
  • Eduardo Antonio da Cunha Secretaria de Agricultura e Abastecimento do Estado de São Paulo, Agência Paulista de Tecnologia dos Agronegócios, Instituto de Zootecnia, Centro de Pesquisa e Desenvolvimento em Zootecnia Diversificada, Nova Odessa, SP
  • Domingos Sanchez Roda Secretaria de Agricultura e Abastecimento do Estado de São Paulo, Agência Paulista de Tecnologia dos Agronegócios, Instituto de Zootecnia, Centro de Pesquisa e Desenvolvimento em Zootecnia Diversificada, Nova Odessa, SP

Keywords:

age, bones, dressing percentage, fat, goat, muscle, rib eye area

Abstract

Live weight components, dressing percentage, proportion of carcass cuts (hindside, foreside and ribs) and constituents (muscle, fat and bones) were evaluated in 32 Saanen kids slaughtered on different live-weights (8,4 - 28,0 kg) and age from 60 to 130 days. As slaughter-weight increased, hot and cold dressing percentage had a linear increase; head, legs, visceras, kidneys, liver and heart percentage had a linear decrease and skin, blood, kidney fat and fuil and empty gastro-intestinal system percentage did not change. The proportion of ribs increased, hindside decreased, and foreside proportion did not change. The increase in slaughter-weight led to an increase in the percentage of muscle and fat, and a decrease in bones. It was also observed an increase in loin eye area, as well, in carcass measures (internal and external length, thorax depth and leg length). Dairy kids must be reared to produce heavier carcass.

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Published

2013-12-05

Issue

Section

FORAGE CROPS AND PASTURES

How to Cite

Carcas evaluation of kids slaughtered on diferent live-weights. (2013). Bulletin of Animal Husbandry, 54(2), 61-67. http://35.198.24.243/index.php/bia/article/view/963

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