The genetic mutation causing hairlessness in xoloitzcuintles is ancient, and while its precise appearance date is unclear, evidence suggests it emerged at least 3,000 years ago. The propagation and prevalence of this trait were favored by the natural and artificial selection carried out by pre-Columbian cultures that valued these dogs for their unique qualities. Today, the xoloitzcuintle remains an iconic Mexican breed, cherished for both its rich history and distinctive features.
In summary, the Xoloitzcuintli is a truly special dog breed that stands out for its unusual appearance and variability regarding hair in the hairless variety. If you are considering adopting one of these charming Mexican hairless dogs, keep in mind that each individual may have its own unique appearance when it comes to hair. Genetics and breeding play an important role in how hair manifests in this breed, adding a touch of mystery and uniqueness to each hairless Xoloitzcuintli.