Originally Posted by birdcrazy

hi , if your chicken/chickens have sour crop try holding the chicken upside down and gently massage the crop from bottom to top to help release some of the fluids, then add some natural yogart to some pellets and a small amount of apple cider viniger to the drinking water, this can be feed and watered in this way for a few days and should really help as long as it hasn't gone too far hope this helps