cows milk yield 产奶量
The high prices encouraged the peasants to improve their animal husbandry techniques; for example, they began feeding their animals indoors in order to raise the milk yield of their cows.
高昂的价格鼓励农民提高畜牧业技术；例如，为了提高奶牛的产奶量，他们开始在室内喂养动物。
Music can also help cows to yield more milk.
音乐也有助于牛产更多的奶。
Playing classical and soothing music can increase the milk yield of dairy cows.
播放古典和轻松音乐可以增加奶牛的产奶量。
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