Your dog or cat eats it daily: "animal by-product". Found in each package lump or canned food. A type of meat that can not be called meat. We ask a question that your dog or your cat can not ask itself. What do you mean by 'animal by-products? They all panic when asked such a simple question, the chunk makers. All of them. De Keuringsdienst van Waarde and the secret of the animal by-products.