[Mikey T]

Dogs eat poop for one simple reason. Since contact with man and life as a scavenger it has been an important food source in there diet. There may be even health benefit to it. See
The Best Probiotic You’ll Never, Ever Eat

Feasting on Feces: Why Do Dogs Eat Poop?

Forty-nine percent of all dogs will eat poop at some point in their lives. Poop-eating, also known as coprophagy, is usually not well-accepted with the dog’s human family.

www.animalbiome.com