Genetic connections between dressage and show-jumping horses in Dutch Warmblood horses

G.A. Rovere, O. Madsen, E. Norberg, J.A.M. van Arendonk, B.J. Ducro

Research output: Contribution to journalArticleAcademicpeer-review

5 Citations (Scopus)


During the last decades, the breeding practice within the Dutch Warmblood studbook (KWPN) has resulted in an increasing specialisation of horses into show-jumping (JH) and dressage (DH). The objective of this study was to describe the effect of the specialisation on the connectedness between the subpopulations of JH and DH horses registered by KWPN. The subpopulations comprised 23,800 JH horses and 18,125 DH horses, born between 1995 and 2009. Genetic similarity (GS), genetic pool in common (GCx) based on the marginal genetic contribution of common ancestors and coefficient of relationship (r) between and within subpopulations were analysed in three periods of time to describe changes in genetic connectedness between subpopulations. A decline in GS (0.97–0.45), GC0.5 (0.69–0.13) and r (0.018–0.014) in the recent years was observed. Both subpopulations have a common genetic pool; however, if the specialisation process continues, it will result in two unrelated (genetic) groups.
Original languageEnglish
Pages (from-to)57-66
JournalActa Agriculturae Scandinavica Section A-Animal Science
Issue number1
Publication statusPublished - 2014


  • pedigree analysis
  • population
  • performance
  • coefficients
  • variability
  • competition
  • diversity
  • traits
  • breeds


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