Effect of the Immunity Efficacy of IBD Immune Complex Vaccine on ND La Sota Vaccine |
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| Authors: | ZHANG Zhen-hua LI Lin ZHANG Jian-wei SHEN Jia SHI Ai-hua HUANG Feng-jun ZHENG Xiao-lan JIANG Bei-yu |
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| Affiliation: | Beijing Key Laboratory for Prevention and Control of Infectious Diseases in Livestock and Poultry, Institute of Animal Husbandry and Veterinary Medicine, Beijing Municipal Academy of Agriculture and Forestry, Beijing 100097, China |
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| Abstract: | 1-day-old SPF chickens and commercial Jingfen chickens were vaccinated with IBD immune complex(IC) vaccine, NDV La Sota vaccine were inoculated simultaneously every one week and every two weeks.NDV La Sota immunization alone was as the control group.At the 2nd, 3rd, 4th and 5th week post inoculation, blood samples were taken and the ND HI antibody were tested.Experimental chickens were challenged with high virulent NDV at the 5th week post inoculation, the protective rate of each group was calculated.The results showed the ND HI antibody were not significant different in the combined immunization of IBD IC vaccine priming and NDV La Sota vaccine boost and NDV La Sota vaccine alone immunization (P>0.05).The results indicated that IBD IC vaccine has no immunosuppression on NDV La Sota vaccine in SPF chickens and commercial Jingfen chickens. |
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| Keywords: | IBD immune complex vaccine ND La Sota vaccine immunosuppression |
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