Genetic relations of first Stallion Inspection traits with dressage and show-jumping performance in competition of Dutch Warmblood horses

B.J. Ducro, E.P.C. Koenen, J.M.F.M. van Tartwijk, J.A.M. van Arendonk

Research output: Contribution to journalArticleAcademicpeer-review

21 Citations (Scopus)

Abstract

Genetic parameters for traits evaluated at the First Stallion Inspection (FSI) and genetic correlations with dressage and show-jumping performance in competition were estimated. Data comprised 2361 stallions with FSI-observations from 1994 through 1999. Genetic analyses were performed using univariate and bivariate animal models. Heritability estimates of the FSI-traits ranged from 0.25 to 0.61. FSI-traits related to gaits showed strong genetic correlations (above 0.70) and FSI-traits related to free jumping had correlations close to unity. Competition results of 23,897 horses with performance in dressage and 22,811 horses with performance in show-jumping were linked to the FSI data to estimate the genetic relationship with performance in competition. Heritability estimates for dressage and show-jumping were 0.14. Genetic correlation between FSI-gaits and dressage in competition were positive, ranging from 0.37 to 0.72. Genetic correlation between FSI-jumping traits and show-jumping were all above 0.80. FSI-jumping traits showed negative correlations with dressage (about ¿ 0.48). FSI-gait traits showed negative correlations with show-jumping, except for canter. It is concluded that selection at First Stallion Inspection comprises an important component of the stallion selection program, because FSI-traits have good genetic relationships with performance in competition and, due to the number of animals involved, relative high selection intensities can be achieved
Original languageEnglish
Pages (from-to)81-85
JournalLivestock Science
Volume107
Issue number1
DOIs
Publication statusPublished - 2007

Keywords

  • parameters
  • population
  • selection
  • tests

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