Complete 20%-protein breeder diet formulated to help support optimum fertility, embryo development, egg production, and chick vigor in all species of game birds. Feed from one month prior to start of egg production until birds is out of egg production. Formulated with balanced levels of amino acids, energy, vitamins and minerals designed to keep breeders in top condition for egg production and hatchability.Purina® Game Bird Layena ETTS is also calcium fortified for strong egg shells and is a complete feed - no mixing required.