Purina 3003350-205 Layena and Omega-3 Layer Laying Poultry Feed in 40 Pounds Features: Formulated to produce a large egg that contains 250 mg omega-3 fatty acids as compared to a traditional, store-bought large egg that contains 50 mg of omega-3 fatty acids Includes the Oyster Strong System; large-particle calcium breaks down steadily, so calcium is available during the entire egg formation process 16% protein and 3.50% calcium maintains hen health and supports consistent egg production Essential amino acids are enhanced with lysine and methionine to help produce wholesome eggs and beautiful feathering Prebiotics and probiotics support immune and digestive health Poultry feed has added marigold extract for brightly colored yolks Comes in a 40 lb. poultry feed package Complete feed for laying hens 18 weeks and older