Protective Effect Analysis of Inactivated Vaccine of Subgroup B Avian Leukosis Viruses in Chicken Breeder Farms
LI Xue, LI Wei-hua, ZHAO Peng, CUI Zhi-zhong, WANG Xin, DONG Xuan
ACTA VETERINARIA ET ZOOTECHNICA SINICA . 2012, (11): 1788 -1794 .