Quantitative characteristics of the carcasses of Moxotó and Canindé goats fed diets with two different energy levels

  • Lisboa A
  • Furtado D
  • Medeiros A
  • et al.
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Abstract

The objective of this work was to evaluate the quantitative characteristics of carcasses of Moxotó and Canindé goats finished in feedlots and fed diets of two levels of energy. It was used 40 castrated young goats, 20 from Moxotó breed and 20 from Canindé breed, each one with an average body weight of 15.2 kg. The animals were fed with diets containing 2.20 and 2.71 (Mcal/kg DM). The experimental period lasted 86 days. There was no difference among the barometric measures of Moxotó and Canindé kids. Canindé goats showed higher final weight, higher weight after fasting and higher hot and cold carcass weights when compared to the Moxotó animals. Animals that consumed diets with higher energy level had higher final weight and conformation as well as higher carcass yield. Considering the percentage values of the commercial meat cuts, no difference among treatments was observed. The diet was the factor that most influenced the non-constituent components of the carcass of Moxotó and Canindé goats. In general, animals belonging to the Canindé breed presented higher quantitative characteristics than the Moxotó breed. Supply of diets with higher energetic level (2.71 Mcal/kg DM) for goats from Moxotó and Canindé breeds, in feedlots, favors the production of carcass with higher yields and heavier commercial meat cuts.Objetivou-se avaliar as características quantitativas da carcaça de caprinos Moxotó e Canindé terminados em confinamento e recebendo dietas com dois níveis de energia. Foram utilizados 40 cabritos castrados, com peso médio de 15,2 kg, sendo 20 da raça Moxotó e 20 da raça Canindé, suplementados com dietas contendo 2,20 e 2,71 (Mcal/kg MS). O período experimental consistiu de 86 dias. Não se constatou distinções entre as medidas barimétricas de cabritos Moxotó e Canindé. Os cabritos da raça Canindé caracterizam-se por apresentar maior peso final, peso vivo pós-jejum e peso de carcaça quente e fria, que animais da raça Moxotó. Os animais que consumiram dietas com maior nível de energia apresentaram maior peso final e conformação, assim como maiores rendimentos de carcaça. Considerando-se os valores percentuais dos cortes comerciais não se observaram distinções entre os tratamentos. A dieta atuou como principal fator de influência sobre os componentes não constituintes da carcaça de caprinos das raças Moxotó e Canindé. De modo geral, caprinos da raça Canindé apresentam características quantitativas de carcaça superior a raça Moxotó. O fornecimento da dieta com maior nível energético (2,71 Mcal/kg MS) para caprinos da Raça Moxotó e Canindé, em confinamento, favorece a produção de carcaças com rendimentos superiores e cortes comerciais mais pesados.

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APA

Lisboa, A. C. C., Furtado, D. A., Medeiros, A. N. de, Costa, R. G., Queiroga, R. de C. do E., & Barreto, L. M. G. (2010). Quantitative characteristics of the carcasses of Moxotó and Canindé goats fed diets with two different energy levels. Revista Brasileira de Zootecnia, 39(7), 1565–1570. https://doi.org/10.1590/s1516-35982010000700024

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