Analysis of the Antibodies of Type O and Type A FMD in Large⁃scale Dairy Farms in Qingyuan Fity From 2020 to 2021
HE Shuzhi1 ,ZHENG Jingcheng2 ,TAN Weijun1*
Guangdong Journal of Animal and Veterinary Science . 2023, (4): 76 -78 .  DOI: 10.19978/j.cnki.xmsy.2023.04.14