The result showed that the rare-earth additives of less dosage can promote the growth of Chongren Ma Chickens.
结果表明，较低剂量的稀土添加剂能促进鸡的生长发育。
In order to study the effects of rare-earth elements on the growth of domestic fowls, Chongren Ma chickens have been raised with rare-earth additives.
为了探讨稀土元素对家禽生长发育的影响，用稀土作添加剂对崇仁麻鸡进行饲养实验研究。
In order to study the effects of rare-earth elements on the growth of domestic fowls, Chongren Ma chickens have been raised with rare-earth additives.
为了探讨稀土元素对家禽生长发育的影响，用稀土作添加剂对崇仁麻鸡进行饲养实验研究。
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