Article
Assessment of the potential relationship between egg quality and infectious bronchitis virus infection in Australian layer flocks.
Australian veterinary journal - 1 Apr 2014
Hewson K A, Robertson T, Steer P A, Devlin J M, Noormohammadi A H, Ignjatovic J
Abstract excerpt
OBJECTIVE: This investigation aimed to determine if there was a relationship between the production of eggs with poor internal quality, as measured by poor Haugh units, by Australian layer flocks and the detection of infectious bronchitis virus (IBV) in the hens. Other risk factors including flock size, flock type, flock age, chicken breed and vaccination frequency were also assessed. METHODS: The study group...
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