In the past, guidelines have led to reduced sales and hurt agricultural markets. In 1977, the guidelines recommended avoiding cholesterol. That recommendation led to a decline in egg sales.

营养指南过去导致了销售下降并损害了农业市场。在1977年，该指南建议避免食用胆固醇。这一建议导致了鸡蛋销售下降。

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It's a chicken and egg situation. Does the deficiency lead to the eczema or has the eczema led to certain deficiencies?

这是个鸡和蛋的问题。是因为营养缺乏导致湿疹呢，还是湿疹导致了某些营养缺乏？

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In the process and abuse of drugs, drug use has led to low quality, poultry and egg products, in good health, harm consumers seriously affect the product at the same time.

在饲养过程中乱用药、滥用药，也导致禽蛋产品质量低下，危害消费者身体健康，同时严重影响产品的出口。

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