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- American Bashkir Curly, Arabian, Trakehner, Welsh Pony
- MUTYH
- Sístema nervioso
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- American Miniature Horse, American Paint Horse, American Quarter Horse, Appaloosa, Icelandic Horse, Miniature Horse, Morgan, Old-Tori, Shetland Pony, Trakehner
- MITF
- Sistema tegumentario (Piel y derivados)
