Infectious Diseases 2024

Infectious Diseases 2024

HPAI detected in Idaho cattle

29 March, 2024

The Idaho State Department of Agriculture (ISDA), has identified highly pathogenic avian influenza (HPAI) in a Cassia County dairy cattle operation. These are the first cases of HPAI in a dairy operation in Idaho. The affected facility recently imported cattle from another state that had previously identified cases of HPAI in cattle. It is suggested the virus may be transmitted from cow-to-cow, in addition to previous reports indicating cattle were acquiring the virus from infected birds. The primary concern with this diagnosis is on-dairy production losses, as the disease has been associated with decreased milk production.