Economic value of a New Zealand infectious bronchitis vaccine

Economic value of a New Zealand infectious bronchitis vaccine
Peer reviewed

Abstract

In the course of research on infectious bronchitis (IB) in chickens in New Zealand, one strain of IB virus was selected and attenuated as a local vaccine virus and produced in limited quantities at Massey University for trial purposes. Large-scale vaccination trials have now commenced with broiler flocks and will continue throughout the winter 1976. A summary of the results of all these trials will be the subject of a separate publication. However, in the meantime I should like to report the economic advantage that the vaccine has had on one particular farm in the North Island…

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