摘要
[目的]为了检验S19号疫苗的预防效果。[方法]用S19号疫苗对未孕母牛进行接种,然后用琥红平板凝集试验监测。[结果]不同个体免后4～5个月的转阳率55.8%,免后6～8个月的转阳率63.5%,免后11～12个月的转阳率57.5%,同一养殖区内注苗后的转阳率平均57.7%,未注苗的自然感染率达到16.2。[结论]说明疫苗免疫对奶牛布病预防有一定效果。
【Objective】The prevention effect of brucella abortus S19 vaccine was detected.【Method】The nonpregnant cows were immunizated to brucellosis with the S19 vaccine,and the antibody was detected by red plate agglutination test with Hu（RBPT） and tube agglutination test（SAT） method.【Result】The results showed that the brucellosis positive rate was 55.8 % after 4～5 months,and 63.5% after 6～8 months,57.5% after 11～12 months.The average positive rate was 57.7% in a dairy cattle breeding district.And the positive rate was 16.2% with no vaccination.【Conclusion】It showed that vaccine immunization had certain effect on prevention of Brucellosis in dairy cattle
出处
《中国牛业科学》
2011年第6期74-76,共3页
China Cattle Science
关键词
奶牛
布鲁氏菌病
预防
效果
dairy cattle
brucellosis
immunization
effect
