Effect of frame size on performance and carcass traits of Santa Inês lambs finished in a feedlot
The objective of this study was to evaluate the performance, qualitative, morphometric and quantitative carcass traits of Santa Inês lambs of different frame sizes finished in a feedlot. Twenty 120-day-old intact lambs with a 25.0±3.1 kg average body weight at the beginning of the experiment were used. Lambs received a diet containing 17% crude protein and 2.70 Mcal/kg dry matter. Frame size influenced performance and tissue composition in the carcasses of the lambs. Lambs with large frame sizes showed better carcass conformation compared with those of medium-sized frames. Frame size was found to have a significant effect on rump perimeter. Large-framed lambs showed higher compactness on the carcass index and carcass dressing area compared with medium-framed lambs. The cuts of large-framed lambs weighed more than those of mediumframed lambs. However, no significant differences were found in dressing.
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Sociedade Brasileira de Zootecnia
2013
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oai:scielo:S1516-359820130004000082013-04-05Effect of frame size on performance and carcass traits of Santa Inês lambs finished in a feedlotSouza Júnior,Edmilson Lúcio deSousa,Wandrick Hauss dePimenta Filho,Edgard CavalcantiGonzaga Neto,SeverinoCartaxo,Felipe QueirogaCezar,Marcílio FontesCunha,Maria das Graças GomesPereira Filho,José Morais carcass conformation commercial cuts dry matter intake sheep tissue composition weight gain The objective of this study was to evaluate the performance, qualitative, morphometric and quantitative carcass traits of Santa Inês lambs of different frame sizes finished in a feedlot. Twenty 120-day-old intact lambs with a 25.0±3.1 kg average body weight at the beginning of the experiment were used. Lambs received a diet containing 17% crude protein and 2.70 Mcal/kg dry matter. Frame size influenced performance and tissue composition in the carcasses of the lambs. Lambs with large frame sizes showed better carcass conformation compared with those of medium-sized frames. Frame size was found to have a significant effect on rump perimeter. Large-framed lambs showed higher compactness on the carcass index and carcass dressing area compared with medium-framed lambs. The cuts of large-framed lambs weighed more than those of mediumframed lambs. However, no significant differences were found in dressing.info:eu-repo/semantics/openAccessSociedade Brasileira de ZootecniaRevista Brasileira de Zootecnia v.42 n.4 20132013-04-01info:eu-repo/semantics/articletext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982013000400008en10.1590/S1516-35982013000400008 |
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Souza Júnior,Edmilson Lúcio de Sousa,Wandrick Hauss de Pimenta Filho,Edgard Cavalcanti Gonzaga Neto,Severino Cartaxo,Felipe Queiroga Cezar,Marcílio Fontes Cunha,Maria das Graças Gomes Pereira Filho,José Morais |
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Souza Júnior,Edmilson Lúcio de Sousa,Wandrick Hauss de Pimenta Filho,Edgard Cavalcanti Gonzaga Neto,Severino Cartaxo,Felipe Queiroga Cezar,Marcílio Fontes Cunha,Maria das Graças Gomes Pereira Filho,José Morais Effect of frame size on performance and carcass traits of Santa Inês lambs finished in a feedlot |
author_facet |
Souza Júnior,Edmilson Lúcio de Sousa,Wandrick Hauss de Pimenta Filho,Edgard Cavalcanti Gonzaga Neto,Severino Cartaxo,Felipe Queiroga Cezar,Marcílio Fontes Cunha,Maria das Graças Gomes Pereira Filho,José Morais |
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Souza Júnior,Edmilson Lúcio de |
title |
Effect of frame size on performance and carcass traits of Santa Inês lambs finished in a feedlot |
title_short |
Effect of frame size on performance and carcass traits of Santa Inês lambs finished in a feedlot |
title_full |
Effect of frame size on performance and carcass traits of Santa Inês lambs finished in a feedlot |
title_fullStr |
Effect of frame size on performance and carcass traits of Santa Inês lambs finished in a feedlot |
title_full_unstemmed |
Effect of frame size on performance and carcass traits of Santa Inês lambs finished in a feedlot |
title_sort |
effect of frame size on performance and carcass traits of santa inês lambs finished in a feedlot |
description |
The objective of this study was to evaluate the performance, qualitative, morphometric and quantitative carcass traits of Santa Inês lambs of different frame sizes finished in a feedlot. Twenty 120-day-old intact lambs with a 25.0±3.1 kg average body weight at the beginning of the experiment were used. Lambs received a diet containing 17% crude protein and 2.70 Mcal/kg dry matter. Frame size influenced performance and tissue composition in the carcasses of the lambs. Lambs with large frame sizes showed better carcass conformation compared with those of medium-sized frames. Frame size was found to have a significant effect on rump perimeter. Large-framed lambs showed higher compactness on the carcass index and carcass dressing area compared with medium-framed lambs. The cuts of large-framed lambs weighed more than those of mediumframed lambs. However, no significant differences were found in dressing. |
publisher |
Sociedade Brasileira de Zootecnia |
publishDate |
2013 |
url |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982013000400008 |
work_keys_str_mv |
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