Mr. Robinson said the chickens are given special food made of corn or millet, with carefully controlled salt levels (too much salt can change the shape of the eggs or the number laid).

罗宾逊说，这些鸡群吃的是由玉米或小米制成的特殊饲料，其中的盐含量被谨慎控制（太多的盐会改变鸡蛋的形状或者鸡蛋产量）。

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Mr. Robinson said the chickens are given special food made of corn or millet, with carefully controlled salt levels (too much salt can change the shape of the eggs or the number laid).

罗宾逊说，这些鸡群吃的是由玉米或小米制成的特殊饲料，其中的盐含量被谨慎控制（太多的盐会改变鸡蛋的形状或者鸡蛋产量）。

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