The Mazuri NutriBlend Green High-Protein Pigeon Feed is part of the NutriBlend Feeding System, which allows you to take control of your pigeons' diet. The NutriBlend Feeding System is a combination of two products: Mazuri NutriBlend Gold and NutriBlend Green. Mazuri NutriBlend Gold Pigeon Diet is a higher fat, lower protein diet while Mazuri NutriBlend Green Pigeon Diet is higher protein and lower fat. Mazuri NutriBlend Green and NutriBlend Gold Pigeon diets are designed for pigeons and contain the protein, fat, and minerals that pigeons require with no need for any added supplementation. By blending the two products together, you regulate the protein and fat levels of your birds' diet while maintaining optimum levels of nutrients allowing you to create a personalized diet catered to your pigeons' specific needs. Safe option for all life stages that you can feel good about. The pigeon feed ships in a 50 lb. bag.