- May 26, 2012
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How large can a chickens crop get. I have a 16 month old chicken with a very large breast, almost the size of a softball. It is very soft, almost like it is full of water. I don't see a scratch for infection but she is missing feathers on her breast. she is very lethargic and was crouched in a corner before I moved he to a private coop. I have had compacted crop before and I don't feel anything in her crop. she has been eating grower since she was in with a mother her chicks and a rooster.