Directions: Place chicken breasts in slow cooker, and sprinkle with seasonings (and liquid, if using). Cover and cook on low for 8 hours, or until the chicken shreds easily with a fork.
Dogs who eat high-fiber diets may have to go more quickly, as can those getting a lot of exercise. Generally, it takes between seven and 10 hours for a dog to digest food, but the many variables mean that only your vet can tell you how long it should be taking. References Chinaroad Lowchens of Australia: Digestive Disturbances in Dogs
Actually, one of our dogs was a crayon-eater in her younger years, which allowed us to track her digestion times quite nicely, if a bit colorfully. Typically she seemed to excrete the previously consumed crayons in about 12 hours, along with whatever else she had eaten around that time.