10/03/2014
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Poultry
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Múltiple lesions in an organic chicken carcass
Pathologic examination of the animal allowed to observe different types of lesion without any apparent link between them :
- The skin of the back had a multifocal ulcerative bacterial dermatitis, heterophilic and crusty, moderate and chronic with abundant intralesional bacteria.
- The examination of the lesions in the tarsus revealed a viral arthritis with bilateral rupture of the gastrocnemius tendon and severe chronic tenosynovitis. This lesion is characteristic of avian reovirus infection.
- Lesions on the comb corresponded to a hyperplastic and ulcerative severe, multifocal to diffuse dermatitis with intranuclear inclusion bodies. This type of lesion is indicative of a viral etiology. Although the inclusion bodies were positive to immunohistochemistry for papillomavirus, its presence could not be confirmed by electron microscopy.