FILE - Day-old duck hatchlings crawl around inside an incubator at Crescent Duck Farm, in Aquebogue, N.Y., Oct. 29, 2014. (AP Photo/Julie Jacobson, File)

FILE - Whole ducklings, processed and packaged fresh that morning, sit in a cooler for sale at a retail store just over a mile away from their origin at Crescent Duck Farm, in Aquebogue, N.Y., Oct. 29, 2014. (AP Photo/Julie Jacobson, File)

FILE - Long Island ducks used as breeding stock at Crescent Duck Farm, move around a barn, in Aquebogue, N.Y., Oct. 29, 2014. (AP Photo/Julie Jacobson, File)

FILE - Doug Corwin, owner of Crescent Duck Farm, carries a female duck used for breeding in one of several barns on his property, in Aquebogue, N.Y., Oct. 29, 2014. (AP Photo/Julie Jacobson, File)

FILE - Pierce Corwin, son of Crescent Duck Farm owner Doug Corwin, coaxes hundreds of two-day-old ducklings inside a barn on the farm, in Aquebogue, N.Y., Oct. 29, 2014. (AP Photo/Julie Jacobson, File)

FILE - Duck eggs sit in a cooler at Crescent Duck Farm, in Aquebogue, N.Y., Oct. 29, 2014. (AP Photo/Julie Jacobson, File)

FILE - Doug Corwin talks about the history and development of his duck farm, Crescent Duck Farm, in Aquebogue, N.Y., Oct. 29, 2014. (AP Photo/Julie Jacobson, File)