Cerebellar abiotrophy (CA), also referred to as the cerebellar cortical abiotrophy (CCA), which is a genetic neurological disease in animals best known to affect certain breeds of horses and dogs.

• 小脑性生活力缺失（CA），又称小脑皮层活力缺失（CCA），是一种常见于某些品种的马和犬的神经遗传性疾病。