At a later time, when the dog is hungry, he will eat his own feces. Anxiety due to environmental conflict. Environmental stress can contribute to numerous odd forms of behavior, including coprophagy. The dog might have been educated to eat feces in order to catch the owner's attention. Feces can be tasteful to the dog.
Dogs can eat their own feces to avoid punishment from their owners.
Anxiety of separation. Dogs left alone at home for extended periods of time without company end up showing this type of behavior. Locked up dogs are more prone to coprophagy. It seems that animals that go out for walks with their owner, get more attention, and play with toys are less likely to develop such habits. Wild dogs start feeding on their prey by ingesting the abdominal organs, including the intestines and the contents inside.