Genetic Variability of Show Jumping Attributes in Young Horses Commencing Competing.
Abstract: The aim of the study was to select traits that may constitute a prospective criterion for breeding value prediction of young horses. The results of 1,232 starts of 894 four-, five-, six-, and seven-year-old horses, obtained during jumping championships for young horses which had not been evaluated in, alternative to championships, training centres were analyed. Nine traits were chosen of those recorded: ranking in the championship, elimination (y/n), conformation, rating of style on day one, two, and three, and penalty points on day one, two, and three of a championship. (Co)variance components were estimated via the Gibbs sampling procedure and adequate (co)variance component ratios were calculated. Statistical classifications were trait dependent but all fitted random additive genetic and permanent environment effects. It was found that such characteristics as penalty points and jumping style are potential indicators of jumping ability, and the genetic variability of the traits was within the range of 14% to 27%. Given the low genetic correlations between the conformation and other results achieved on the parkour, the relevance of assessment of conformation in four-years-old horses has been questioned.
Publication Date: 2015-06-25 PubMed ID: 26104516PubMed Central: PMC4478476DOI: 10.5713/ajas.14.0866Google Scholar: Lookup
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Summary
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The research study is about identifying potential genetic traits for predicting the breeding value of young horses. It is found that penalty points and jumping style could be indicators of jumping ability, questioning the relevance of assessing conformation in four-year-old horses.
Overview of the Research
- The research aimed to identify traits in young horses that could potentially be used as an indicator for future breeding value or the genetic worthiness of a young horse for producing desirable offspring.
- Data collected from 1,232 starts of 894 horses aged four to seven during jumping championships were analyzed. It should be noted that these horses had not previously been evaluated in training centers.
Details of the Traits Studied
- Nine traits were selected for study: the horse’s championship ranking, whether or not the horse was eliminated, the horse’s conformation (shape and formation of the horse’s body), the rating of the horse’s style on three different days, and the number of penalty points the horse accrued on three different days.
- The statistical classifications were dependent on the trait but all fitted random additive genetic and permanent environment effects.
Results of the Study
- The results of the study indicated that penalty points and jumping style could potentially be important indicators of a horse’s jumping ability. Therefore, these factors may be used as a potential criterion for the prediction of a young horse’s breeding value.
- The genetic variability of these traits was found to be within the range of 14% to 27%. This means that 14% to 27% of the difference in these traits among horses is due to genetic factors.
- A key finding of the study was that there was a low genetic correlation between the conformation of the horse (physical condition) and the other results achieved. As such, the researchers questioned the relevance of assessing the conformation of four-year-old horses.
Cite This Article
APA
Próchniak T, Rozempolska-Rucińska I, Zięba G, Łukaszewicz M.
(2015).
Genetic Variability of Show Jumping Attributes in Young Horses Commencing Competing.
Asian-Australas J Anim Sci, 28(8), 1090-1094.
https://doi.org/10.5713/ajas.14.0866 Publication
Researcher Affiliations
- Institute of Genetics and Animal Breeding, Polish Academy of Sciences, Jastrzębiec, 05-552 Magdalenka, Poland .
- Institute of Genetics and Animal Breeding, Polish Academy of Sciences, Jastrzębiec, 05-552 Magdalenka, Poland .
- Institute of Genetics and Animal Breeding, Polish Academy of Sciences, Jastrzębiec, 05-552 Magdalenka, Poland .
- Institute of Genetics and Animal Breeding, Polish Academy of Sciences, Jastrzębiec, 05-552 Magdalenka, Poland .
References
This article includes 12 references
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Citations
This article has been cited 2 times.- Próchniak T, Kasperek K, Knaga S, Rozempolska-Rucińska I, Batkowska J, Drabik K, Ziȩba G. Pedigree Analysis of Warmblood Horses Participating in Competitions for Young Horses. Front Genet 2021;12:658403.
- Ricard A, Dumont Saint Priest B, Danvy S, Barrey E. Accelerometers Provide Early Genetic Selection Criteria for Jumping Horses. Front Genet 2020;11:448.
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