New Country Organics Flock Perfect Layer/Developer GritGrit is an important part of poultry diets that will help your birds get the most nutrition out of their feed. Grit is stored in the ventriculus, or gizzard, which is the part of the digestive tract that mechanically breaks down food and aids in the grinding of food particles. Grit should be provided free choice to allow birds to self regulate their intake to best suit their individual needs. Layer Grit is the perfect size of crushed granite for adult