Doug Corwin, owner of Crescent Duck Farm, center, at a fundraiser in Riverhead to help support workers who were laid off from the Aquebogue farm after an outbreak of bird flu.

Doug Corwin, president of Crescent Duck, picks up one of his ducks at the Crescent Duck Farm in Aquebogue, N.Y., Thursday, May 22, 2025. (AP Photo/Seth Wenig) ...

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) ...

Doug Corwin, president of Crescent Duck, picks up one of his ducks at the Crescent Duck Farm in Aquebogue, N.Y., Thursday, May 22, 2025. Credit: AP ...

Doug Corwin, president of Crescent Duck, picks up one of his ducks at the Crescent Duck Farm in Aquebogue, New York (Associated Press) ...

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.

Doug Corwin, president of Crescent Duck, picks up one of his ducks at the Crescent Duck Farm in Aquebogue, N.Y., Thursday, May 22, 2025. (AP Photo/Seth Wenig) Credit: ASSOCIATED PRESS ...

Crescent Duck Farm owner Doug Corwin said the ducklings hatched from eggs that health officials allowed it to preserve from the outbreak. Long Island was once a center of U.S. duck production with ...

AQUEBOGUE, N.Y. — Doug Corwin knew there was a problem at his family’s commercial duck farm in Long Island when he spotted scores of dead or lethargic birds during a barn inspection in January.