A novel real-time RT-PCR with TaqMan-MGB probes and its application in detecting BVDV infections in dairy farms oleh Yong-qiang ZHANG, Hai-sheng LIU, Xiao-dong WU, Xiao-zhen WANG, Jin-ming LI, Yong-gang ZHAO, Yan LÜ, Wei-jie REN, Sheng-qiang GE, Zhi-liang WANG