A neurological condition of unknown origin has afflicted several wild horses in Waipio Valley, resulting in some deaths, according to a report dated 07/10/18 from Hawaii News Now.
Locals are worried the disease could spread to domestic horses.
The illness may be related to a toxin in spoiled feed. Blood samples have been collected and tests are in progress. H/T Kellyerin Claybaugh of Aramat Equine Services.