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Effects of Traditional Chinese Herbal Medicine on Immune Organ Indexes and Macrophages Phagocytic Indexes in Chickens Infected by Infectious Bronchitis Virus


  [Objective] To study the therapeutic effects of traditional Chinese medicine prescriptions on infectious bronchitis(IB) and find a novel avenue for prevention and treatment of viral diseases in poultry.[Method] A total of 160 cockerels at the age of 15 d were divided into four groups randomly,including traditional Chinese medicine group,moroxydine control group,challenge control group and healthy control group.Except the healthy control group,other groups were challenged with infectious bronchitis virus(IBV) on Day 15.After 48 h post challenge,the traditional Chinese medicine group and moroxydine control group were respectively administrated with Chinese herbal medicine prescription and moroxydine,continuously for 5 d.The immune organ indexes and macrophage phagocytic indexes were detected on Day 18,24 and 30,respectively.[Result] The immune organ indexes and macrophage phagocytic indexes were not significantly different between traditional Chinese medicine group and moroxydine control group on Day 18.But all the indexes of the traditional Chinese medicine groups were increased significantly(P < 0.05) on Day 24 and 30,and showed extremely significant difference(P < 0.01) with those of challenge control group on Day 30.[Conclusion] The traditional Chinese herbal medicine can enhance macrophage phagocytic indexes and immune organs indexes of chickens infected by IBV.……