In which part of the alimentary canal of poultry is grit mostly found?

Grit is mostly found in the gizzard of poultry. The gizzard is a muscular part of the digestive tract of birds that is responsible for grinding and breaking down food. It contains small stones, or grit, which are swallowed by birds and help to mechanically break down the food as it passes through the gizzard. The proventriculus is a glandular stomach that secretes digestive enzymes, while the cloaca is the common opening through which waste products and eggs are expelled. The rectum is the final part of the digestive tract where feces are stored before being excreted.