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首页> 外文期刊>Meat Science >Influence of genetic type and level of concentrate in the finishing diet on carcass and meat quality traits in beef heifers
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Influence of genetic type and level of concentrate in the finishing diet on carcass and meat quality traits in beef heifers

机译:精饲料的遗传类型和浓缩水平对牛肉小母牛car体和肉品质性状的影响

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摘要

Carcass and meat quality traits of thirty-six feedlot beef heifers from different genetic groups (GG) fed at two concentrate levels (CL) were evaluated using 12 - Nellore (NE), 12 - VSAngus x MiNellore (AN) and 12 - hSim-mental x ViNellore (SN) animals. Six heifers of each GG were randomly assigned into one of two treatments: concentrate at 0.8% or 1.2% of body weight (BW). Heifers fed concentrate at 0.8% of BW had greater (P<0.05) dressing percentage. None of the proximate analysis components of the beef were affected (P>0.05) by either CL or GG. Heifers from the AN group had higher (P<0.05) carcass weights, 12th rib fat thickness and lower dressing percentage (P<0.05) compared to the other groups. NE heifers had greater WBSF values (P<0.05) than the other genetic groups. Data suggest that the concentrate level can be reduced without compromising meat quality traits.
机译:使用12-内洛尔(NE),12-VSAngus x MiNellore(AN)和12-hSim-精神x ViNellore(SN)动物。每个GG的6个小母牛被随机分配为以下两种处理之一:以体重(BW)的0.8%或1.2%浓缩。小母牛饲喂浓缩物(BW的0.8%)时的选矿百分比更高(P <0.05)。 CL或GG均不影响牛肉的最近分析成分(P> 0.05)。与其他组相比,AN组的小母牛的car体重量更高(P <0.05),第十二肋骨脂肪厚度和敷料百分比更低(P <0.05)。 NE小母牛的WBSF值高于其他遗传群体(P <0.05)。数据表明,可以在不影响肉品质量的前提下降低精矿含量。

著录项

  • 来源
    《Meat Science》 |2012年第3期|p.770-774|共5页
  • 作者单位

    Department of Animal Sciences, Universidade Estadual Paulista Julio de Mesquita Filho (UNESP), Campus Jaboticabal, CEP: 14884-900. Jaboticabal-SP, Brazil;

    Department of Animal Sciences, Universidade Federal de Vicosa (UFV), Campus Universitario, CEP: 36571-000, Vicosa-MG, Brazil;

    Department of Animal Sciences, Universidade Federal de Vicosa (UFV), Campus Universitario, CEP: 36571-000, Vicosa-MG, Brazil;

    Department of Animal Sciences, Universidade Federal Rural de Pernambuco (UFRPE), Fazenda Saco, CEP: 56900-000, Serra Talhada-PE, Brazil;

    Department of Animal Sciences, Universidade Federal de Vicosa (UFV), Campus Universitario, CEP: 36571-000, Vicosa-MG, Brazil;

    Department of Animal Sciences, Universidade Federal de Vicosa (UFV), Campus Universitario, CEP: 36571-000, Vicosa-MG, Brazil;

    Department of Animal Sciences, Universidade Federal de Vicosa (UFV), Campus Universitario, CEP: 36571-000, Vicosa-MG, Brazil;

    Department of Animal Sciences, University of Minnesota, St. Paul-MN 55108-6118, United States;

  • 收录信息 美国《科学引文索引》(SCI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    angus; feedlot; nellore; simmental;

    机译:安格斯饲养场内洛尔西门塔尔;

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