Cats’ and dogs’ stomachs are equipped to handle bacteria in much the same fashion as wolves who are just fine eating days old carrion. Their digestive tracts are shorter and more acidic than ours so the risk for bacterial illnesses is low. Salmonella can only survive in higher pH conditions (4-8+) and requires at least 12 hours to reach incubation. The hydrochloric acid in a carnivore’s stomach is a protective enzyme against pathogens. Their stomach is highly acidic (about a pH 1) while their digestive system is short and lacks complexity. Bacteria is killed when ingested and passed within 4-6 hours as waste.