The crop is an expandable portion of the esophagus where chickens store feed and moisten it if the proventriculus (primary stomach) and gizzard (mechanical stomach) are full.What do you mean by crop? I gave her cracked corn today which is her favorite and she got really excited. She will be a year at the end of November.
http://www.geauga4h.org/poultry/chicken_digestion.htm
The crop is external to the body cavity and when full you can either feel it or see it at the base of the neck and at the top of the right breast.
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