Animal Husbandry and Feed Science ›› 2009, Vol. 30 ›› Issue (9): 150-150.doi: 10.12160/j.issn.1672-5190.2009.09.072

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Investigation on Immune Condition against Newcastle Disease at Some Henneries in Haiyuan County

ZHANG Cheng-lian, WANG Ren-li (1.Animal Disease Prevention and Control Center of Haiyuan, Haiyuan 755200, China;2.College of Agriculture, Ningxia University, Yinchuan 750021,China)   

  • Online:2009-09-20 Published:2009-09-20

Abstract: The trial was to explore the condition of chicken immunity to newcastle disease (ND) in Haiyuan county,239 collected samples from ten henneries were examined anti-NDV antibody through hemagglutination test(HA) and hemagglutination-inhibition test (HI). The results of serological examination showed that the average protection rate was 76.99 % among these samples,it indicated that the antibody titer in chicken was low among these henneries. Therefore,immunization should be taken in time,and antibody monitoring also should be strengthened.

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