1, for the lack of trace elements of the dog: there are pet-specific complex elements and minerals of the drug, to the dog according to the weight ration.
2, pulled the poop on time to clean up, so that in it and hunger to find something to eat when it will not find the poop can eat
3, scientific feeding is also very important to feed the amount of time and feed is relatively fixed, so that the dog develops the habit of eating at regular intervals as long as to adhere to a period of time, I believe that the dog will soon be able to change the bad habits of eating poop.
Additionally, if you find your dog eating poop, stop it immediately and criticize it severely so that it knows it's wrong. But make sure it is while it is eating!