osteopetrosis gallinarum

例句：

1. 1. The chickens were suffering from osteopetrosis gallinarum.
   那些鸡患上了骨营养不良症。
2. 2.This disease is caused by a deficiency in vitamin D, which can lead to osteopetrosis gallinarum.
   这种疾病是由于维生素D的缺乏引起的，可能导致骨营养不良症。
3. 3. In order to prevent this condition, it's important to ensure that the chickens have access to adequate vitamin D supplements.
   为了预防这种状况，确保鸡能够获得充足的维生素D补充剂是很重要的。