Merrick Pet Care offers grain-free real Texas beef + sweet potato dog food. The product offers a healthy balance of meat and fresh produce, with the first five ingredients consisting of deboned beef, beef liver, lamb meal, sweet potato and peas, according to the company. With no chicken ingredients, the food is safe for dogs that are allergic to poultry. The product is sold in 4 lb., 12 lb. and 25 lb. bags.