Dog feces can contain a large number of bacteria, along with parasites and other germs that may affect both people and animals. The exact amount is not fixed, because it depends on the dog’s health, diet, and exposure to infection. Waste should be picked up promptly, even in a private yard. Visit :  https://dookiedoctors.com/how-much-bacteria-is-in-dog-poop-what-pittsburgh-yard-owners-should-know/