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1. Infectious bursal disease (IBD) of poultry is an acute highly contagious viral infection. It heavily threatens the poultry industry.

2. Infectious bursal disease(IBD), an acute and high contactable contagious disease, is caused by Infectious bursal disease virus(IBDV).

3. Infectious bursal disease (IBD) has still been one of the most important diseases in poultry industry around the world and vaccination is now the most effective measure for the disease control.

4. Methods: Drainage in bursal lumen was applied to 31 patients with jaw cystic lesions and the patients were given careful nursing and instruction.

5. Field trials of recombinant subunit vaccine of infectious bursal disease (IBD) were made in 9 flocks of commercial broiler chicken with 3 batches of experimental production.

6. Infectious Bursal Disease(IBD) is a common infectious disease, it is dangerous in the chicken industry.

7. Infectious bursal disease is an acute and highly contagious disease, which damages mainly young chicken.

8. Research of infectious bursal disease virus gene expressed in a baculovirus recombinant was stated briefly.

9. The authors first reported that there is Infectious Bursal Disease in Baoding region.

10. Infectious bursal disease virus ( IBDV ) is an important pathogenic agent of chicken.

11. Influence of Marek's disease virus (MDV) infections on antibody titers induced by newcastle disease virus (NDV) and infectious bursal disease (IBDV) vaccines was studied.

12. An indirect hemagglutination assay(IHA) was set up using sheep erythrocytes sensitized with capsid protein VP2 of infectious bursal disease virus(IBDV) which were expressed in Escherichia coli.

13. The invention discloses a traditional Chinese medicine composition used for preventing and curing infectious bursal disease of chickens and a preparation method thereof.

14. From above, strains Q, J and N were infectious bursal disease virus.

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15. Avian broilers were used as experimental objects to study the mechanism of the pituitary adrenal axis regulating immune system when being infected with virulent infectious bursal disease virus (IBDV).

16. A review about the relationship between the function and the molecular structure of infectious bursal disease virus (IBDV)is presented.

17. The results indicated that the lymphoid tissue of Fabricius' bursal stalk was one kind of the MALT.

18. There were large amount of lymphoid tissue in Fabricius' bursal stalk. The largest distribution area and the great quantity were at the dorsum of the stalk.