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Preparation of a trivalent oil-emulsion vaccine of inactivated Newcastle disease virus, infectious bronchitis virus and Haemophilus paragallinarum
2018
M. A. Abd El-Khalick | O. E. Kamal
Monvalent inactivated oil-emulsion, Newcastle disease virus (NDV), infectious bronchitis virus (IBV) and Haemophilus paragallinarum vaccines as well as a trivalent one (NDV + IBV + HP) were prepared. The cellular and humoral immune responses of chicken to these vaccines were evaluated by using lymphocytes blastogenesis assay, haemagglutination-inhibition, serum neutralization, tube agglutination and challenge tests. The results showed that the trivalent vaccine was safe, efficient as monovalent vaccines and protected chicken against Newcastle, Infectious bronchitis and infectious coryza
Показать больше [+] Меньше [-]Studies on the combined inactivated oil emulsion vaccine of newcastle disease and avian infectious bronchitis in chickens
1990
Jeon, Y.S. | Kim, S.J. | Seo, I.S. (Seoul National University, Suwon (Korea Republic). College of Veterinary Medicine)
