Immunological Effect on Egg-laying Chickens by Combining Vaccinations Against Newcastle and Infectious Bursal Diseases

XING Dong, LIU Meng-xi, YUAN Xiao-qin, LI Chun-yan, CHEN Shi-yi, JIANG Xing-hua, ZHAO Hua-e, BAO Song-ying, WANG Quan-xi

Fujian Journal of Agricultural Sciences . 2017, (9): 926 -931 . DOI: 10.19303/j.issn.1008-0384.2017.09.002