条件筛选
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Boar Rearing Precautions and Key Points of Feeding Management
1. Irregularly check the semen quality of boars. The low conception rate in many pig farms is related to the semen quality of boars. Boar semen quality is not constant; stress, disease, high temperature, insufficient nutrition, and overly frequent or overly infrequent use can all affect sperm motility. Therefore,
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