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A cataract outbreak in broiler breeders.
1Animal Health Service, Poultry Health Centre, Deventer, The Netherlands.
Avian Pathology : Journal of the W.V.P.A
|May 17, 2008
Summary
Ocular lesions, including lens cataract and iritis, were observed in broiler breeder birds. Despite transmission studies, the infectious cause of these bird eye alterations remains undetermined.
Area of Science:
- Veterinary ophthalmology
- Avian pathology
Background:
- Lens cataract and iritis were observed in a flock of grandparent broiler breeders.
- Histopathology revealed stromal lens alterations (phacolysis, globule formation) and anterior uveitis.
Purpose of the Study:
- To investigate the cause of ocular lesions in broiler breeder birds.
- To assess a potential infectious etiology for the observed eye alterations.
Main Methods:
- Histopathological examination of affected avian eyes.
- Transmission experiments to evaluate infectious agents.
Main Results:
- Significant lens alterations including liquefaction and globule formation were identified.
- Lymphocytic-plasmacytic anterior uveitis was a consistent finding.
- Transmission experiments did not establish an infectious cause.
Conclusions:
- The specific cause of lens cataract and iritis in this flock could not be determined.
- Further research may be needed to elucidate the etiology of these avian eye conditions.
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