Johnson's Poultry Corn 'n' Grit Treat Bar is a healthy, complementary treat which helps to support your chicken's digestion. It should be used as a supplement for the regular diet and can be hung or placed in the coop, cage or aviary. This treat can be either suspended from a cage/aviary or placed on the floor of a chicken coop. A perfect complementary bird food. Should be fed to poultry as part of a balanced diet.