Oyster gritOyster grit is an important supplement for the daily diet of poultry, birds and pigeons. This Witte Molen PLUS ground oyster shell is packed full of calcium which supports the structure of the skeleton. Oyster grit contains phosphorus, a mineral which promotes strong bones as well as being important for healthy digestion, as the grit helps to break down grains and seeds, making it absolutely ideal for your pet!Helps with the digestion of seeds and grainsNatural source of calciumIdeal activity for birds, pigeons and poultryImportant supplement for daily food Oyster gritOyster grit is an important supplement for the daily diet of poultry, birds and pigeons. This Witte Molen PLUS ground oyster shell is packed full of calcium which supports the structure of the skeleton. Oyster grit contains phosphorus, a mineral which promotes strong bones as well as being important for healthy digestion, as the grit helps to break down grains and seeds, making it absolutely ideal for your pet!Helps with the digestion of seeds and grainsNatural source of calciumIdeal activity for birds, pigeons and poultryImportant supplement for daily food