Live attenuated infectious bronchitis vaccine in the kingdom of Saudi Arabia
Abstract: Live attenuated infectious bronchitis freeze – dried vaccine was produced in the veterinary vaccine production center (V. V. P. C) in Riyadh, Kingdom of Saudi Arabia. Since 1993 till 1998, 15 batches of the vaccine were produced. It was produced from H120 strain on SPF embryonated eggs. The vaccine was produced for protection of poultry industry in the Kingdom against this acute and highly contagious viral disease. The result achieved showed that the titres of the freeze-dried vaccine ranged between 106.1 -107.6 EID50 /ml. Also, the vaccine was able to neutralize the strain H120 antisera using SPF embryonated chicken eggs. The eggs did not show any deaths or macroscopical specific lesions. The vaccine proved also that it was free from bacterial, fungal and mycoplasmal contamination. On the other hand the residual humidity in the produced vaccine never exceeded 1.8%. Moreover the vaccine was safe and potent when challenged with infection Bronchitis virus strain M41. in experimental birds.
Publication year 2000
Pages 206- 212
Availability location معهد بحوث الأمصال واللقاحات البيطرية- القاهرة - ش السكة البيضاء - العباسية ص ب 131
Availability number
Organization Name
City Assuit
serial title Assuit veterinar medical journal
Author(s) from ARC
External authors (outside ARC)
    محمد الحماد المملكة العربية السعودية
    محمد مصطفى
    حبيب الخلف الممكلة العربية السعودية
Agris Categories Animal diseases
Proposed Agrovoc Infectious Bronchitis disease;
Publication Type Journal
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