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Vaccination and infectious bronchitis virus (IBV) challenge in mature laying hens

Vaccination and infectious bronchitis virus (IBV) challenge in mature laying hens

All pullets currently reared in Australia for egg production are vaccinated with live attenuated strains of infectious bronchitis virus (IBV).However, questions have been raised about possible negative effects of attenuated vaccines in adult layer birds.

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All pullets currently reared in Australia for egg production are vaccinated with live attenuated strains of infectious bronchitis virus (IBV). However, questions have been raised about possible negative effects of attenuated vaccines in adult layer birds. This study was carried to evaluate the effects of both pathogenic wild/field strains and vaccine strains of IBV on the oviduct and also to assess the protectivity of current vaccine strains.

Want to see what an egg farm looks like? Take this interactive 360 degree tour to see how eggs are produced in Australia.

Free range farm with two people