I bought two wild birds at the bird market and introduced them to a cage. Out of fury, they turned their back on the food I gave them and seldom tweeted.

这两只鸟儿原先都是野生的，我在鸟市上买了它们，我把它们的愤怒是显而易见的，不太爱吃东西，也不叫，只是在笼子里不停地飞，冲撞着笼子。

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During these periods the birds will lie on the cage floor as if trying to lay or hatch eggs.

这些时期，鸟儿会趴在笼底，好像在下蛋或孵蛋。

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It was evident that decreasing the number of birds per cage and increasing cage space allowance per chickling had an overall positive effect on performance(P<0.05).

表明增加和减少蛋雏鸡的笼饲养面积对其生产性能的影响显著（P〉0.05）。

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