How To Cook Bones For Dogs. Cook on low heat for 12 to 24 hours (12 on the stove at simmer. Fatty foods like bone marrow should be consumed in moderation, especially for dogs with health concerns.
Next, cover the bones with water and add 2 tablespoons of apple cider vinegar. Using a coffee grinder or blender, grind the bones as instructed. Cover the pot and cook on high for 1 hour.