New York’s Long Island was once synonymous with “duck” in the culinary world. Now it may lose its last commercial farm. The avian flu outbreak that has led to the slaughter of millions of birds at U.S.

The highly infectious H5N1 strain has caused outbreaks across the country. Now, Long Island’s last duck farm must kill its entire flock and may go out of business, its owner said.

The last duck farm on New York's Long Island is facing an uncertain future after a bird flu outbreak forced the culling of nearly 100,000 ducks. The highly contagious H5N1 avian flu, otherwise known as bird flu,