Some of us keepers and breeders will be thinking that we have no problems because our birds have access to cuttlebone or they get oyster shell grit or crushed egg shells or chicken bones.

• 我们中的一些人员和育种会认为我们没有问题，因为我们只获得海螵蛸或他们得到牡蛎壳砂砾或压碎蛋壳或鸡骨头。