PREPARATION OF GMBORO DISEASE VACCINE FROM INTERMEDIATE STRAIN AND ITS FIELD APPLICATION PRIVATE

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Veterinary Serum and Vaccine Research Institute, Abbassia, Cairo

Abstract

A new live infectious bursal disease (IBDV) vaccine (Intermediate strain) was prepared, titrated and tested experimentally and in the field. Different vaccinal programs were tried and the immune response was evaluated. The results obtained from both experiment and field application proved that the prepared new vaccine has a good protection against virulent IBDV either in case of high maternally immune chicks or low maternally immune chicks.       

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