The worst affected areas of Turkey share borders with Iran, which has already started a culling process, also Armenia, Azerbaijan autonomous republic of Nachichivan and Georgia. The region which border Syria has also detected cases of bird flu.
On European borders lay Bulgaria and Greece.
A team of US experts, meanwhile, travelled to Turkey's east to assess the situation and see what assistance Washington could offer.
"We are here to learn about what is happening and what has been done," Ann Derse, the head of the delegation, said in the eastern city of Erzurum, the Anatolia news agency reported.
"We are also looking into how the United States, a strong friend and ally of Turkey, can help," she said.