VIOLIN: Vaccine Investigation and Online Information Network

Pathogen Page

Avian Reovirus

I. General Information

1. NCBI Taxonomy ID:

2. Disease:

Viral Arthritis, Pale Bird Syndrome, Tenosynovitis

3. Introduction

Avian reoviruses, in the past, have been associated with viral arthritis/tenosynovitis, malabsorption syndrome, stunting/runting syndromes, enteric disease, immunosuppression, and respiratory disease. Recently, there have been reports from the field and isolations of reoviruses from chickens exhibiting neurological signs. In birds with the disease, varying degrees of lameness is a typical sign of the disease. Some birds may also be stunted in size. Avian reoviruses are widespread in nature and are known to cause viral arthritis and malabsortion / pale bird syndrome. However, recent field reports have associated the virus with neurological signs. Vaccination of breeder birds as well as strict biosecurity procedures can effectively reduce the effects of reoviruses on commercial poultry flocks (Avian Reovirus Infections).

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