Is Tarry Stool an Emergency? Melena in Dogs – Causes, Symptoms, and When to Rush to the Vet
Your dog’s poop will become black and tarry because of the presence of digested blood. How does digested blood end up in the poop? When a dog is bleeding in the stomach or small intestine, iron in the blood oxidizes as it passes through the colon, which gives the blood a black color. It might not look as scary as…