A free-feed dining option is the best and most common in backyard flocks, one in which chickens eat in small increments at their leisure throughout the day. Chickens have a unique digestive system that can accommodate only a small amount of food at a time in their crops.
If you have trouble with your bowel movements for more than two weeks, you should see your doctor. He or she may ask for these tests to find the cause of your constipation: 1  Blood tests to check on hormone levels. 2  Barium studies to look for any blockages in your colon.
Gastricolic reflex: When you eat , you GI tract gets activated in order (mouth to rectum/anus) like a tidal wave. So you may feel like having bowel movement 30-60 min after meal. Your stool is not what you ate , is what was stored in the colon (it takes about 16-24 hrs to digest food before it turns into stool).