Not always. The AAFCO defines byproducts as "secondary solutions developed Besides the principal merchandise." Pet food advertising frequently portrays byproducts as unwanted and unappetizing, but appropriately processed byproducts are Harmless and nutritious. For instance, liver is a byproduct jam packed with vitamins and minerals which have been good for pets. https://mariellac198eqb8.blogozz.com/27415899/pet-store-dubai