I have a slight disagreement. To be technical, digestion does not occur in the crop. The crop on a chicken is just a muscular pouch that is an extension of the esophagus that serves to store food for regulating into the gizzard, proventriculus (stomach) and intestines. To be sure, there is...
I agree with the post above. Don't be afraid to message the crop fairly vigorously a couple of times a day and give her olive oil via a syringe to help lubricate the mass in her crop and help break it up. The sour smell from her crop is normal for having some impaction in there. The normal...