Common parasties found in pet feces:
Roundworms - The risk to humans is slight but roundworms are still a health concern. there is no risk with fresh dog feces but the eggs can remain in the soil for several years. Humans do not develop adult roundworms, but they can cause tissue and organ damage. The biggest risk is to children because they often eat dirt, grass and fill their mouths with contaminated hands.
tapeworms - tapeworms are transmitted to pets by fleas or by pets eating wildlife or rodents. tapeworms can be transmitted to humans through direct contact with your pet and are very hazardous.
hookworms - hookworms are transmitted through your pet's feet or belly from infected soil. hookworms are one of the parasites that often infect puppies and can even be transmitted to puppies in the womb.
coccidia - This is a one-celled parasite that is transmitted through fecal matter. Animals infected with this parasite can vomit, loose their appetite, become dehydrated and possibly die.
giardia - this is another one-celled parasite. It lives in soil, food and water. It can be on any surface that is contaminated with waste. children can be at risk because of the habit of putting things in their mouth.
parvovirus - This is a killer to dogs. It is transmitted via personal contact and through pet feces. It can live in the environment for up to 12 months.
whipworms - whipworms are passed through dog feces. While not a threat to humans, they can remain infectious for years and can often reinfect your pet.
heartworms - This is a serious and potentially fatal disease in dogs. Heartworms can survive up to 5 years and during that time a female can produce millions of young.