Green Bloody Diarrhea In Dogs. Parvovirus in puppies is a common cause of bloody diarrhea. Dogs can suffer by it for two days.
Green diarrhea in dogs causes. Most cases occur without warning in otherwise healthy dogs. Acute hemorrhagic diarrhea syndrome (ahds) (also known as hemorrhagic gastroenteritis [hge]) is an acute (sudden) disorder of dogs characterized by vomiting and bloody diarrhea.