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首页> 外文期刊>Meat Science >Growth, carcass characteristics, cut yields and meat quality of lambs finished with zilpaterol hydrochloride and steroid implant
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Growth, carcass characteristics, cut yields and meat quality of lambs finished with zilpaterol hydrochloride and steroid implant

机译：盐酸齐帕特罗和类固醇植入物对羔羊的生长，car体特性，减产和肉质的影响

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摘要

Forty hairbreed male lambs were used to evaluate the effects of zilpaterol hydrochloride (ZH, 0 and 0.15 mg/kg BW) and steroid implant (SI, without and with 52.5 mg trenbolone acetate and 7.5 mg 17 beta-estradiol) on feedlot performance, carcass characteristics, non-carcass components, wholesale cut yield, and meat quality. Supplemental ZH increased growth rate, feed efficiency, carcass weight, and dressing percentage, with no effect on wholesale cut yields. Feeding ZH increased muscle pH at 24 h. Supplemental ZH increased meat shear force, but decreased lightness, redness, and yellowness after frozen storage followed by a 14-day aging period. The SI administration increased dressing percentage and neck yield, but decreased testicle weight and meat redness, without affecting other variables. The LT area was greater with ZH + SI administration than with individual application of ZH or SI. Compared to individual administration, simultaneous application of ZH and SI did not result in improved growth performance, carcass traits and wholesale cut yields in hairbreed male lambs.
机译：使用四十只公羊羔来评估盐酸齐帕特罗（ZH，0和0.15 mg / kg体重）和类固醇植入物（SI，无和有52.5 mg醋酸群勃龙和7.5 mg 17β-雌二醇）对饲养场性能，car体的影响的特性，非car体成分，批发切得的产量和肉质。补充ZH可提高生​​长速度，饲料效率，car体重量和选矿百分比，而对批发减产没有影响。饲喂ZH会在24小时内增加肌肉的pH值。补充ZH可增加肉类剪切力，但冷冻保存后老化14天后，亮度，红色和黄色会降低。 SI施用增加了敷料百分比和颈部产量，但是降低了睾丸重量和肉发红，而没有影响其他变量。 ZH + SI施用的LT​​面积大于ZH或SI单独施用的LT​​面积。与单独施用相比，ZH和SI的同时施用不会改善公羊羔羊的生长性能，car体性状和批发割胶产量。

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