THE SEROEPIDEMIOLOGY OF CATTLE INFECTIOUS REPRODUCTIVE DISEASES IN LARGE SCALE DAIRY FARM OF XINJIANG
LI Yan;ZHAI Xin-yan;FAN Wei-xing;YAN Gen-qiang;LI Jing;ZHANG Lu-an;SU Gui-cheng;YUAN Lin;LU Yong-gang;LUO Yu-jiang;The General Station of Animal Husbandry and Veterinary of Xinjiang Production and Construction Corps;China Animal Disease Prevention and Control Center;Chinese Animal Health and Epidemiology Center;Department of Animal Science and Technology;Shihezi unversity;