They’re not clucking around. Animal activists blasted a plan to open an organic egg farm with 6,000 chicken on Long Island — calling it a “factory’ that could be a legitimate public health risk. The activists joined the fight against the proposed egg farm in rural Southold, which has ruffled the feathers of residential neighbors who want the plan plucked from consideration over noise, odor and environmental concerns. “Six thousand chickens on a single property isn’t a farm — it’s a factory,”