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Precautions involve cleaning duck pens, heat preservation, inoculation of Bang's bacillus.
以作好鸭舍清洁卫生、保温、接种鸭疫巴氏杆菌为主要预防措施；
youdao
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Precautions involve cleaning duck pens, heat preservation, inoculation of Bang's bacillus.
以作好鸭舍清洁卫生、保温、接种鸭疫巴氏杆菌为主要预防措施；
youdao