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首页> 外文期刊>Meat Science >Effect of dietary beta-agonist treatment, vitamin D_3 supplementation and electrical stimulation of carcasses on colour and drip loss of steaks from feedlot steers
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Effect of dietary beta-agonist treatment, vitamin D_3 supplementation and electrical stimulation of carcasses on colour and drip loss of steaks from feedlot steers

机译：日粮β-激动剂处理，维生素D_3的补充和electrical体的电刺激对肥育场ste牛牛排颜色和滴落损失的影响

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摘要

In this study, 20 young steers received no beta-agonist (C) and 100 animals all received zilpaterol hydrochloride (Z), with 1 group receiving Z while the other 4 groups receiving Z and vitamin D_3 at the following levels (IU/animal/day) and durations before slaughter: 7 million for 3 days (3D7M) or 6 days (6D7M), 7 million for 6 days with 7 days no supplementation (6D7M7N) and 1 million for 9 days (9D1M). Left carcass sides were electrically stimulated (ES) and right sides not (NES). Samples were analysed fresh or vacuum-aged for 14 days post mortem. Parameters included drip loss and instrumental colour measurements. In general, zilpaterol showed increased drip loss, lighter meat, and reduced redness. Vitamin D_3 supplementation could not consistently overcome these negative effects. All vitamin D_3 treatments reduced drip loss of stimulated aged steaks.
机译：在这项研究中，有20只幼小公牛没有接受β受体激动剂（C），所有100只动物都接受了盐酸齐帕特罗（Z），其中一组接受Z，而其他4组接受Z和维生素D_3的水平如下（IU /动物/天和屠宰前的持续时间：700万，共3天（3D7M）或6天（6D7M），700万，共6天，其中7天没有补充（6D7M7N），100万，共9天（9D1M）。左侧car体被电刺激（ES），右侧不被刺激（​​NES）。验尸后14天内对样品进行新鲜或真空老化分析。参数包括滴水损失和仪器颜色测量。通常，齐帕特罗显示出增加的滴水损失，较轻的肉类和减少的发红。补充维生素D_3不能始终克服这些负面影响。所有维生素D_3处理均能减少受刺激的老化牛排的滴水损失。

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  • 来源
    《Meat Science》 |2012年第3期|p.607-612|共6页
  • 作者

    M. Hope-Jones; P.E. Strydom; L. Frylinck; E.C. Webb;

  • 作者单位

    Department of Animal & Wildlife Sciences, University of Pretoria, Pretoria, 0002, South Africa;

    Agricultural Research Council. Private BagX2, Irene, 0062, South Africa;

    Agricultural Research Council. Private BagX2, Irene, 0062, South Africa;

    Department of Animal & Wildlife Sciences, University of Pretoria, Pretoria, 0002, South Africa;

  • 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

    vitamin D_3; zilpaterol; electrical stimulation; colour; drip loss;

    机译：维生素D_3;齐帕特罗;电刺激颜色;滴水损失;

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