efeito heterÓtico nas partes nÃo-integrantes a carcaÇa de novilhos terminados em confinamento

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ID: 131811
2014
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Abstract
The objective of this study was to evaluate the heterotic effect on non-integrant parts of carcass from steers of the breeds Charolais (Ch) and Nellore (Ne) and crossbreeds from fifth (21/32Ch 11/32Ne; 21/32Ne 11/32Ch) and sixth (43/64Ch 21/64Ne; 43/64Ne 21/64Ch) generation, finished in feedlot. The heterotic effect was positive for slaughter weight, empty body weight in both generations, head in fifth (1.29 kg) and sixth (1.04 kg) generation and ears in fifth generation (0.17 kg). There was a heterotic effect on fifth and sixth generation for rumen-reticule and intestines, respectively, and abomasum on fifth generation. In absolute weight, a heterotic effect was observed on fifth generation for heart, lungs, kidneys and spleen (0.14; 0.11; 0.55 and 0.16 kg, respectively) and lungs in sixth generation (0.61 kg). The heterotic effect was positive for fats of heart, kidney and digestive tract in both generations and for inguinal fat in sixth generation. In relation to empty body weight, there were heterotic effects for rawhide, in both generations, ears in fifth generation, and heart fat and blood in sixth generation. The crossbred steers showed higher weights for different external compounds in relation to purebred Charolais or Nellore.
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cattelam2014cinciaefeito Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Jonatas Cattelam;Ivan Luiz Brondani;Dari Celestino Alves Filho;Flânia Mônego Argenta;Vicente Siqueira Junior;Patrícia Machado Martini
Journal proceedings of the winter simulation conference winter simulation conference
Year 2014
DOI
10.1590/1809-6891v15i228081
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