Disease progression, pathologic, and virologic findings of an equine influenza outbreak in rescue donkeys.

Background: Equine influenza virus is a common cause of respiratory disease in equids. Few reports describe clinical presentation and disease progression in donkeys.

Hypothesis/objectives: Describe the clinical and diagnostic findings, outcome, and pathologic lesions associated with influenza pneumonia in donkeys.

Ruptured hepatic artery aneurysm in a domestic yak.

A 19.5-y-old, male domestic yak ( Bos grunniens) with a history of sudden unexpected death was submitted for autopsy. The yak had hemoabdomen, and a large blood clot was attached to the liver and forestomachs.