Systemic Conditions in Birds

Systemic Conditions in Birds

Some bird diseases affect the whole bird rather than one organ system — including viral illnesses such as PDD (avian bornavirus) and polyomavirus. Each guide covers what to do next, when to call a vet, and which older articles to read. They are not diagnoses.

Vet-first. Systemic viral diseases are clinic-level. Pet Mega Mart does not sell cures or the injectable polyoma vaccine. Supportive care education only — the guides below help you decide when to call a clinic.

Guides

PDD (Proventricular Dilatation Disease)

Undigested food, weight loss, or neurologic changes linked to avian bornavirus.

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Polyomavirus

Especially concerning in young birds and nurseries.

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Related guides