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Author |
Posta, J.; Mezei, A.; Mihók, S. |
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Title |
Genetic evaluation of competition years, as a kind of measurement of durability in Hungarian show-jumping horses |
Type |
Conference Article |
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Year |
2012 |
Publication |
Proceedings of the 2. International Equine Science Meeting |
Abbreviated Journal |
Proc. 2. Int. Equine. Sci. Mtg |
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Volume |
in press |
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Keywords  |
Sport horse, show-jumping, genetic evaluation, durability |
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Abstract |
The aim of the study was to investigate the possibilities to use “number of years in competition” as a measure of durability in the genetic evaluation of Hungarian show-jumping horses. Competition results recorder between 1996 and 2009 in show-jumping competitions were used to estimate genetic parameters for number of years in competition. The results were collected by the Show-jumping Group of the Hungarian Horse Breeder’s Society. For estimation of genetic parameters for number of years in competition different linear mixed models were tested. In the first model, sex and birth year were taken into account as fixed effects. In the second model, an adjustment was made for age at first result in competition. The model fit was compared based on their determination coefficient. Variance components were estimated with VCE-6 software package. The determination coefficients of the models were 0.09 and 0.20, while the estimated heritability for number of years in competition was 0.27 and 0.23, respectively. |
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Corporate Author |
Posta, J. |
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Publisher |
Xenophon Publishing |
Place of Publication |
Wald |
Editor |
Krueger, K. |
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978-3-9808134-26 |
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Call Number |
Equine Behaviour @ team @ |
Serial |
5524 |
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Author |
Lewczuk, D.; Sloniewski, K.; Reklewski, Z. |
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Title |
Repeatability of the horse's jumping parameters with and without the rider |
Type |
Journal Article |
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Year |
2006 |
Publication |
Livestock Science |
Abbreviated Journal |
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Volume |
99 |
Issue |
2-3 |
Pages |
125-130 |
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Keywords |
Via; Jumping; Linear parameters; Stallion's test |
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Abstract |
The total number of 4323 jumps with and without the rider of 141 young stallions were filmed and measured using video image analysis. Horses were filmed on the doublebarre fence (100, 110 and 120 cm) with the same width of 90 cm. The style of jump was characterised by measurements of taking off and landing distances, as well as some measurements of the silhouette of the horse over the obstacle. The repeatability was 0.40-0.58 for distances of the jump's length, 0.37-0.56 for bascule's measurements and about 0.20 for legs' lifting above the fence. Traits measured under the rider and on the highest fences were more repeatable. |
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Call Number |
refbase @ user @ |
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3969 |
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