A commercial egg laying flock of 1,928,000 hens in Weld County, Colorado, was infected with highly pathogenic avian influenza.

A flock of 70,000 chickens in a commercial egg laying operation in Berks County, Pennsylvania, tested positive for highly pathogenic avian influenza (HPAI).

Two or three major Croatian egg producers are likely to close their businesses in the coming weeks.

A flock of commercial laying hens in Nebraska and a flock of commercial broiler breeder pullets in Pennsylvania are the latest victims in the highly pathogenic avian influenza (HPAI) outbreak of 2022.

A commercial layer flock in Lancaster County, Pennsylvania, is the site of the state's fifth case of highly pathogenic avian influenza.

A flock of more than 5 million laying hens in Osceola County, Iowa, is among the most recent confirmed cases of highly pathogenic avian influenza in the United States.

Learn how certain substances in poultry drinking water can be detrimental to flock health and performance and hot to keep them within acceptable levels. 

The presence of highly pathogenic avian influenza (HPAI) was confirmed at two commercial poultry facilities in Iowa on March 28.

A previously announced case of highly pathogenic avian influenza in Jefferson County, Wisconsin, involved 3 million layer hens.

Highly pathogenic avian influenza has been confirmed in a commercial egg layer flock in Wisconsin.

Learn how addressing a combination of feed, farm and health issues can help to ensure that pullets and laying hens are prepared to overcome challenges and thrive.