Robuta

https://www.behavioural-ecology-group.com/stereotypic-horses-equus-caballus-are-not-cognitively-impaired/
Stereotypies in animals are thought to arise from an interaction between genetic predisposition and sub-optimal housing conditions. In domestic horses, a
equus caballusbehavioural ecologystereotypichorsesimpaired
https://cheval-leucate.ffe.com/?cs=78982262fb5e2e6dd5580efef0fa23fbc7e77a7561ee47dde72123a29642d08fa456b4f5eae91bdb782ec95833db17cd
equus caballus
https://www.ncbi.nlm.nih.gov/gene/100034242
alcohol dehydrogenaseequus caballusisoenzymehorsegene