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Research article2006Peer reviewed

Review of genetic parameters estimated at stallion and young horse performance tests and their correlations with later results in dressage and show-jumping competition

Hellsten ET, Viklund A, Koenen EPC, Ricard A, Bruns E, Philipsson J

Abstract

Results from performance tests and competitions of young horses are used by major European warmblood horse breeding associations for genetic evaluations. The aim of this review was to compare genetic parameters for various tests of young horses to assess their efficiency in selection for dressage and show-jumping. Improved understanding of genetic information across countries is also necessary, as foreign trade with semen is rapidly increasing. The review is based on inquiries to European breed associations and on (17) scientific publications available, which have analysed genetic parameters of young horse data and/or relationships between young and mature horse results in sport. Despite differences in testing methods of young horses, results for major horse populations were in good agreement. Specially designed young horse performance tests, including stallion tests, showed high heritabilities and high genetic correlations with later competition results. We recommend that test results are encouraged to be used across countries for genetic evaluation of imported stallions and semen. Short station tests are generally preferred when selecting stallions for both dressage and jumping traits, whereas competition data may be used when selecting for only one discipline. We also recommend that extensive field testing of young horses is encouraged and should include both genders. (c) 2006 Elsevier B.V. All rights reserved

Published in

Livestock Science
2006, Volume: 103, number: 1-2, pages: 1-12 Publisher: ELSEVIER SCIENCE BV