Antibody Level of Tri valent Vaccine for Beef Cattle Foot-and-mouth Disease in Wuwei City Evaluation and Research
A total of 320 bovine serum samples were collected from Liangzhou District,Gulang County,Tianzhu County,and Minqin County of Wuwei.The qualified rates of middle O-type antibodies were 71.00%,86.30%,80.00%,and 91.30%,respectively,with an average qualified rate of 82.15%.For Asian type Ⅰ anti-bodies,the qualified rates were 82.30%,76.30%,70.00%,and 81.30%,yielding an average qualified rate of 77.23%.Type A antibody qualified rates were 87.75%,93.50%,67.30%,and 76.30%,averaging at 81.50%.O-type antibody qualified rates stood at 58.80%,61.30%,63.80%,and 86.30%,with an average qualified rate of 67.55%.Asian Ⅰ-type antibody qualified rates were 81.00%,75.00%,71.30%,and 78.80%,averaging at 76.30%.The immune qualified rates for type A antibodies were 71.00%,77.50%,83.80%,and 85.00%,resulting in an average qualified rate of 79.00%.These results indicate that the qualified rate of the anti-FMD trivalent vaccine for beef cattle in Wuwei exceeded 70%,surpassing that of free-range cat-tle.