Thijssen Stomach Bird Gravel
The best source of calcium for birds. The calcium is slowed, but for 100% in the bloodstream. Rich in minerals. Freely available. Regularly refresh. Keep dry at least 38% Calcium
Stomach Pebble is essential for every pigeon. Pigeons eating seeds need this to digest in the gizzard. These seeds In addition, it contributes to the provision of a bird lime.