研究结果表明，北京油鸡、本地黄牛以及本地兔品种受威胁程度最为严重；
Data showed that Beijing You chicken , scalper and native kinds of rabbits were strongly affected by animal drugs.
艾维茵白羽肉鸡的全净膛率要显著高于快大黄鸡和北京油鸡（P＜0.05）。
Avain broilers were higher than Yellow chicken and Beijing Youl (P<0.05) in the percentage of eviscerated yield.
通过对北京油鸡进行肥育试验，进一步展示了北京油鸡的生长速度和饲料利用率。
A rearing trial was done in Beijing Fatty Chicken, which showed growth performance and feed conversion ratio of Beijing Fatty Chickens.
通过对北京油鸡进行肥育试验，进一步展示了北京油鸡的生长速度和饲料利用率。
A rearing trial was done in Beijing Fatty Chicken, which showed growth performance and feed conversion ratio of Beijing Fatty Chickens.
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