Equine cerebellar abiotrophy (CA) is an inherited neurological condition found primarily in Arabian horses, and is characterized by neurological defects in foals including head tremors and ataxia.
Dominant white is a variable white spotting pattern caused by many different mutations in the KIT gene. The VGL tests for the five most common mutations known as W5, W10, W13, W20, and W22. Homozygosity for W5, W10, W13 or W22 is thought to be non-viable.