The primary U.S. business poultry flock to be struck by way of extremely pathogenic avian influenza (HPAI) in two months concerned 62,800 turkeys, the United States Division of Agriculture (USDA) Animal and Plant Well being Inspection Carrier (APHIS) reported.
APHIS in the past reported that the presence of HPAI used to be showed in a business meat turkey flock in Merced County, California, on September 18. On the other hand, the preliminary file didn’t state what number of birds had been affected. APHIS has since up to date its website online to incorporate the flock measurement.
Previous to this example of HPAI, the closing time the virus used to be present in a U.S. business poultry flock used to be July 19. The closing time California had a business poultry flock suffering from HPAI used to be January 18. That flock an infection additionally took place in Merced County. California additionally had 3 business flocks struck by way of HPAI on January 3, with two of the ones in Merced County and the opposite in Sonoma County.
Up to now, all business poultry flocks in america to had been suffering from HPAI all through the 2022-24 outbreak had been struck by way of the H5N1 pressure.
H5N1 in dairy livestock
Whilst there have been a long duration between instances of H5N1 in California’s business poultry flocks, there was a surge in H5N1 instances within the state’s business dairy livestock herds.
At the similar day the Merced County turkey flock used to be inflamed with the virus, the presence of H5N1 used to be showed in six dairy herds within the state, APHIS reported.
Because the finish of August, 16 dairy farms in California have had showed instances of H5N1.
View our proceeding protection of the international avian influenza scenario.
To be informed extra about HPAI instances in business poultry flocks in america, Mexico and Canada, see an interactive map on WATTPoultry.com.