四川省部分种畜场猪传染性萎缩性鼻炎血清学调查

The Investigation of Serological in ar From Some Breeding Pig Farms in Sichuan Province

2001年度,从四川省8个种畜场采取540份已免疫过AR疫苗的猪血清,采用乳胶凝集试验,检测血清中传染性萎缩性鼻炎抗体。结果显示:猪只平均抗体阳性率为24.81%,最高72%,最低1.67%。

years,we investigated540serums by LAT,which from8pig farms were immuned AR.The result shows:the average positive rate of antibody is24.81%,the highest is72%,and the lowest is 1.67%.