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CABI Book Chapter

Book cover for Frame overo and splashed white.

Description

Metrics

Chapter Number/Name (Page no: 109)

Frame overo and splashed white.

The nomenclature for white spotting in horses varies from region to region, influenced by the language and patterns in local horse breeds. Overo ("bird's egg pattern") is the term used in South America for a pattern that is often called sabino in North America. In the British Isles, terms are less discriminating and "painted", "piebald", "colored", and "skewbald" can include variation due to some KIT alleles, especially Tobiano, as well as overo-type patterns. Thus, there is significant variation in the terms used to describe these patterns, which often have no relationship to the underlying genetic mechanisms. Indeed, breeders generally appreciate that the patterns are hereditary but complex. Only when specific patterns are identified accurately in families or in breeds can the genetic bases be investigated. In this chapter, the genetic bases are described for two well-known white spotting patterns: frame overo and splashed white.

Chapter details

  • Author Affiliation
  • University of Kentucky, USA.
  • Year of Publication
  • 2020
  • ISBN
  • 9781786392589
  • Record Number
  • 20203194491