The inactivated infectious bronchitis virus (IBV) vaccine used as booster in layer hens influences the breadth of protection against challenge with IBV variants
To achieve long term protection of laying and breeding hens against aberrant egg production caused by infectious bronchitis virus (IBV), a vaccination programme incorporating both live-attenuated and inactivated IBV vaccines is required. High quality IBV vaccines of both types are widely available,...
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Veröffentlicht in: | Avian pathology 2022-06, Vol.51 (3), p.244-256 |
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