Its back...what is everyone's best advice. We have a hen who had "sour crop" thst successfully was cured(I think) ..she has it again. Last time I gently massaged her crop and after 2 ish treatments like that she was back to her old self. I am wondering if it can be a brand of food? I occasionally get 40 lbs from TSC but normally get it from a local fsrm store. Im really wondering if TSC feed is the culprit. I cant swear to it but I think it was TSC feed last time she had sour crop. Thanks you in advance for any helpful tips...