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Optimising infectious bronchitis vaccination of laying hens for maximum egg shell quality

  • Publication
  • Organisation University of New England
  • Researchers J.R. Roberts

This study was designed to evaluate different vaccination protocols for infectious bronchitis virus in laying hens.Age at first vaccination, route of vaccine administration, regular revaccination during lay, and timing of revaccination in relation to an induced moult was investigated.

This study was designed to evaluate different vaccination protocols for infectious bronchitis virus in laying hens. Age at first vaccination, route of  vaccine administration, regular revaccination during lay, and timing of revaccination in relation to an induced moult was investigated.

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