鸡为什么吃小石子鸡为什么要吃小石子

2025-01-30 16:02:51
推荐回答(4个)
回答1:

鸡爱在地上东啄西挖,拣沙粒或小石子吃。有的小朋友以为小鸡饿了,马上喂米粒、面包或菜叶给它吃,可是食物再丰富,它还是要去寻找沙粒和小石子吃。鸡为什么有这个“怪脾气”呢? 原来,鸡是没有牙齿的,它吃东西不咀嚼,都是囫囵吞下。吃到肚子里,得靠沙粒、小石子等来磨碎。鸡啄食沙石,是用来帮助消化食物的。
因为鸡没有牙齿,不能嚼碎食物,只能依靠小石子,砂帮着磨碎。几的身体里有一个小口袋,里面有许多鸡吃进的小石子。鸡吃的食物和石子混在一起,就被磨碎了,磨碎的食物就容易消化吸收了。所以鸡除了吃食物,还要吃小石子!

回答2:

一、由于鸡没有牙齿,所以需要依靠石头协同砂囊壁的皱褶和发达的肌肉来研磨食物进行物理消化。二、鸡吃石子有助于补钙,蛋壳的主要成分是碳酸钙,对于每天产蛋的鸡来说,蛋壳对钙的消耗量巨大,而石子中的含钙量很高,能在一定程度上为蛋壳的生成提供原料。

回答3:

十万个为什么

回答4:

鸡的怪癖,爱吃小石子或砂粒,为什么鸡喜欢吃小石子?

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