China Animal Husbandry & Veterinary Medicine ›› 2008, Vol. 1 ›› Issue (11): 108-110.

• 疾病防治 • Previous Articles     Next Articles

Chickling Maternal Antibody and Challenge Test after Breed Hen Immunized with NDV-IBV-AIV Inactivated Vaccine

LI Xinsheng1，2, MO Juan1, CHEN Hongying1, LIU Zhiyong1, WANG Lei3, CUI Baoan1   

  1. 1.College of Husbandry and Veterinary, Henan Agricultural University, Zhengzhou 450002,China；2.The Key Laboratory for Animal Food Safety of Henan Province, Zhengzhou 450002,China；3.Husbandry and Veterinary Burearu of Xingyang, Xingyang 450100, China
  • Received:1900-01-01 Revised:1900-01-01 Online:2008-11-20 Published:2008-11-20

Abstract: After AA+ breed hens were immunized using NDV-IBV-AIV(H9) vaccine, the HI antibody of one-day-old chicklings and breed hens were positive correlation. One-day-old chicklings maternal HI antibody was higher and its maternal declined fast after 15-17-day-old.The chicklings maternal HI antibody against NDV, IBV and H9 subtype AIV were 0. The result indicated that the young than 14-day-old chicklings could get 100% protection against NDV, IBV and H9 subtype AIV within 60 days post immunization. Young than 7-day-old chicklings could get 100% protection within 120 to 135 days post immunization; 1-day-old chickling could get 100% protection within 150 to 180 days after breed hen immunized.

Key words: ND; IB; AI; chicken; maternal antibody

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