NEW YORK – The first specimens had begun not to drink. Then they produced a few eggs and when they did, the eggs had irregular shapes. Then swellings appeared in the head and eyes, while the legs were strangely discolored. Some chickens were uncoordinated, walked with difficulty. Then they were found dead. First ten, then a hundred, then thousands.
Bird emergency in the United States: 1.8 million chickens will be culled in Nebraska