I noticed today that my hen's crop was all swollen. I felt it and it seemed like it was full of liquid - - - not a hard ball / knot. It was gushy. I did not smell the tell tale sour smell. Does the swolleness alone indicate that it is an impacted crop and that I should start some treatments? If I need to start treatments, my plan will be - - - 1.) Isolate and feed water with vinegar ( how much vinegar per quart of water) ? ? ? 2.) After 8 hrs of water only, start feeding olive oil soaked pieces of bread. 3.) Massage downward - - - ( HOW frequently should I do this ? ? ?) 4.) WHAT ELSE SHOULD I BE DOING - - - When should I start feeding things like unsweetend applesauce and plain yougurt ? ?