In Hubei,pigs were vaccinated with bovine type PPD(10,000 IU/pig) and avian type PPD(2500 IU/pig) in J and M pig farms,and the bovine type PPD-positive pigs in both of these two pig farms.

• 我们在湖北的J猪汤、M猪场接种牛型结核菌(10,000IU/头)和禽型结核菌素(2,500IU),均发现牛型结核菌素阳性猪。