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on April 13, 2017

Tennessee releases avian influenza control zone

Poultry owners can now resume regular activities

The Tennessee state veterinarian has released the control zone surrounding two Lincoln County poultry farms affected by highly pathogenic avian influenza (HPAI).
The statewide poultry health advisory is also lifted, and poultry owners can now resume regular activity.

“We have determined through extensive testing that HPAI has not spread to other poultry flocks in our 10 kilometer control zone,” State Veterinarian Dr. Charles Hatcher said. “Poultry owners across Tennessee should continue to monitor their flocks and immediately report any spike in illness or death.”
On March 4, the first confirmed detection of H7N9 HPAI occurred in a commercial chicken flock in Lincoln County On March 14, samples from a commercial flock on a premises less than two miles away also tested positive for the same strain of avian influenza.

Once HPAI was detected, the flocks were depopulated and buried and animal health officials established a controlled zone in the 10 kilometer radius of the affected facilities. Poultry movement was restricted within the zone and birds from commercial and backyard flocks were tested weekly for three weeks. No additional samples have tested positive for avian influenza and testing is now complete. Cleaning and disinfection continues at the two affected premises.

“We greatly appreciate the hard work of all involved in this response,” Commissioner of Agriculture Jai Templeton said. “From our staff and partners on the local, state and federal level to the flock owners and all connected to the poultry industry—this was truly a team effort. I certainly hope Tennessee never has to deal with this situation again, but should we face another challenge, I am confident that our state is prepared.”

On March 8, a commercial chicken flock in Giles County tested positive for H7N9 low pathogenic avian influenza (LPAI). The flock was depopulated and buried and domesticated poultry within a 10 kilometer radius of that premises were also tested and monitored for illness. That surveillance zone was released on March 30.

Although the Tennessee Department of Agriculture did not prohibit poultry exhibitions, shows or sales during this avian influenza situation, the department issued a poultry health advisory and discouraged commingling of birds. Should avian influenza be detected again in the state, the department may take additional action.

Track 2017 avian flu outbreaks in North American poultry

To help poultry growers and producers monitor these outbreaks of avian influenza, WATTAgNet has again created an interactive map tracking cases confirmed by the Animal and Plant Health Inspection Service (APHIS) in North America in 2017:


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