首页> 外文期刊>The Journal of Applied Poultry Research >Effect of flock age and postemergent holding in the hatcher on broiler live performance and further-processing yield.
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Effect of flock age and postemergent holding in the hatcher on broiler live performance and further-processing yield.

机译:鸡群的年龄和出雏后对孵化率的影响。

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摘要

Prolonged holding in the hatcher can reduce body weight, yolk-sac reserves and immune function, and increase the risk of death. This study evaluated the effect of flock age and prolonged holding in the hatcher on chick quality, live performance and carcass characteristics of broiler chickens. Broilers from the prime flock had higher feed conversion during rearing and more abdominal fat than those from a young flock. Prolonged holding in the hatcher had no major effects on final live performance, carcass quality or breast-meat yield.
机译:长期放置在孵化器中可以减少体重,卵黄囊储备和免疫功能,并增加死亡风险。这项研究评估了鸡群的年龄和孵化场的长期搁置对肉仔鸡质量,活性能和car体特性的影响。初产羊群的肉鸡在饲养过程中的饲料转化率更高,腹部脂肪也更多。长期保持孵化场对最终的生活表现,car体质量或胸肉产量没有重大影响。

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