新法规要求为下蛋鸡安排更宽敞的鸡舍。

New rules require egg layers to have more capacious cages.

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为了维持热应激下蛋鸡正常的生产能力，作者主要从营养角度来综述如何缓解蛋鸡的热应激效应。

In order to maintain the laying-hen's normal production under hot-stressed, this review summarized how to alleviate the hot-stressed effect on laying-hens by nutrition way.

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不常下蛋的鸡是好蛋鸡吗？

Is a hen who seldom lay eggs a good layer?

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