The Nebraska Department of Agriculture, or NDA, alongside the U.S. Department of Agriculture confirmed the state’s 13th case of avian influenza on Saturday, at an egg-laying farm in Dixon County.

In a press release on Saturday, NDA State Veterinarian Dr. Roger Dudley said the affected flock of 1.8 million chickens at the farm, which is located about 120 miles north of Omaha, Nebraska, will be "depopulated and will be disposed of."

The state agency will also establish a 6.2-mile control zone around the affected area, as required by the USDA.

BIRD FLU HAS ARRIVED TO SAN DIEGO COUNTY

Highly Pathogenic Avian Influenza, or HPAI, is a highly contagious virus that can spread easily among birds, the NDA said.

The virus spreads through the nasal and eye secretions of birds, as well as through manure. Wild birds can carry the disease from flock-to-flock, as well as by contact with the poultry with equipment, clothing, and shoes of caretakers.

The NDA also said wild birds may carry the disease without getting sick, though domesticated birds can become extremely sick if they contract the virus.

According to the Associated Press, the USDA is reporting more than 52.3 million birds in 46 states have been killed because of this year’s outbreak.

COMMERCIAL EGG FARM THAT HOUSES 1 MILLION CHICKENS HAVE BEEN INFECTED WITH BIRD FLU

In Nebraska, 6.8 million birds have been slaughtered, the second-largest number to Iowa, which reportedly had 15.5 million birds killed this year.

NDA officials encouraged bird owners to practice strict biosecurity measures and report signs of HPAI in their flock immediately by calling 402-471-2351.

Some of the biosecurity efforts suggested by the NDA include knowing the warning signs of infectious bird diseases, restricting access to the property and poultry, practicing sanitation, and not sharing equipment with other livestock or poultry owners.