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    Poultry Business – June 2025 issue

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Nearly two million Colorado layers hit by avian influenza

Simon KingBy Simon KingJune 9, 20222 Mins Read
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A commercial egg laying flock in Weld County, Colorado, was this week infected with highly pathogenic avian influenza; the flock consisted of 1,928,000 hens.

According to the United States Department of Agriculture (USDA) Animal and Plant Health Inspection Service (APHIS), the presence of HPAI was confirmed on Tuesday (June 7).

This case marks the third case of HPAI in a commercial poultry flock in Colorado in 2022, and the second in a commercial egg operation in the state. The virus was also confirmed in another Weld County layer flock on April 29, with that case involving 1,366,200 birds. HPAI was also confirmed in a commercial broiler breeder operation in Montrose County on April 19, with that case involving about 58,000 chickens.

Prior to the most recent Weld County case, the last time a commercial flock in the US was affected by HPAI was June 2, when a commercial duck operation in Berks County, Pennsylvania was stricken.

Berks County is also where the previously most recent case of HPAI in a commercial egg operation was confirmed. That case, which involved 79,000 hens, was confirmed on May 17.

With the latest HPAI case, the number of commercial birds affected by the virus in 2022 has reached 39,364,200.

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Previous ArticleCal-Maine Foods links avian flu to the rapaid move to cage-free housing
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Simon King

With more than 25 years' experience in business-to-business publishing, Simon is editor of LBM titles Pest and OvertheCounter. Big fan of Manchester United.

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