According to a report from the US Department on Agriculture's Animal and Plant Health Inspection Service (USDA-APHIS), avian influenza cases are on the rise across US states, impacting both backyard and commercial flocks.

Last Thursday, five cases were reported across four states. In Colorado, 1,150,000 table egg layers tested positive for avian influenza on a commercial farm in Weld.

On a commercial upland game bird site in Gooding, Idaho, 9,000 birds tested positive.

Three commercial turkey facilities were also hit. Some 6,000 commercial turkey meat birds were impacted on a farm in Otter Tail, Minnesota. Another 112,000 commercial turkey meat birds tested positive on a farm in Roseau, Minnesota.

Another commercial turkey meat farm, located in Sanpete, Utah, also reported a case of avian influenza. The outbreak impacted 11,100 turkeys. This is the second outbreak reported in Sanpete in a week. The first affected 73,200 commercial turkey meat birds.

Several backyard producers reported cases of avian influenza as well. The flocks were located in Minnesota, North Dakota and South Dakota.