The effect of arthritis in the carpal joint on performance in Norwegian cold-blooded trotters.
Abstract: The purpose of this study was to evaluate the impact of arthritis of the carpal joint on performance of Norwegian cold-blooded trotters. Two performance variables were used in the analyses. The first was the start status, for which horses that had started in one or more races within a certain age received the value 1, and horses that had not raced were correspondingly assigned the value 0. The second variable was the accumulated, transformed and standardized earnings (ATSE), which is the power transformation of earnings (earnings .2, with unraced horses assigned a value of zero) expressed as a standardized normal deviate by birth year. With the exception of the first year of racing, the number of horses that had raced was larger in the group of unaffected horses than in the groups with arthritis (carpitis or bilateral carpitis), although the difference between the groups was not significant for any of the age classes. A similar picture was observed for ATSE and, in general, the diseased horses earned less money. None of these differences was significant at the 5% level. However, the statistical power was less than 0.3, which means that the probability of detecting a true difference was less than 30%. The data were deemed inadequate to show a significant effect of arthritis on racing performance. This may only be achieved through investigations in which more of the error variance can be statistically modelled, and in which arthritis can be observed as an incidence rather than as a prevalence.
Publication Date: 1996-01-01 PubMed ID: 8950831DOI: 10.1007/BF00396293Google Scholar: Lookup
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- Journal Article
Summary
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This research measured how arthritis in the carpal joint affects the performance of Norwegian cold-blooded trotters. The study took into account race participation and earnings, yet found no significant difference between horses with arthritis and those without.
Research Methodology
- The researchers designed the study to assess the impact of arthritis in the carpal joint on the performance of a specific breed of horses commonly used for racing in Norway, known as cold-blooded trotters.
- The evaluation was based on two performance variables: the participation in races (start status) and the accumulative, transformed and standardized earnings (ATSE).
- The start status was determined by whether or not a horse had participated in one or more races within a certain age group, assigning a value of 1 to those that did and 0 to those that didn’t.
- ATSE was a transformed version of the horse’s earnings, which accounted for horses that didn’t race by giving them a value of zero.
Findings and Analysis
- Results showed that there were more horses without arthritis that raced when compared to those with arthritis (either carpitis or bilateral carpitis), except for the first year of racing. However, these differences were not significant across all age groups.
- Similarly, horses with arthritis generally earned less money than those without arthritis. Again, this difference was not statistically significant.
- None of the differences identified in the study were significant at the 5% level – a typical threshold for considering results to be statistically significant.
- The statistical power of the study was less than 0.3, indicating that the likelihood of detecting a true difference, if one exists, was less than 30%.
- The researchers concluded these data were insufficient to show a significant impact of arthritis on the racing performance of these horses.
Recommendations and Insights
- In order to attain more conclusive results, future research may need to increase the statistical modelling of error variance and observe arthritis as an incident rather than a prevailing condition.
- The lack of a distinct difference in this study does not definitively prove there is no effect of arthritis in carpal joints on the performance of horses, implying more in-depth research is necessary to definitively conclude this.
Cite This Article
APA
Dolvik NI, Klemetsdal G.
(1996).
The effect of arthritis in the carpal joint on performance in Norwegian cold-blooded trotters.
Vet Res Commun, 20(6), 505-512.
https://doi.org/10.1007/BF00396293 Publication
Researcher Affiliations
- Norwegian College of Veterinary Medicine, Department of Large Animal Clinical Sciences, Oslo.
MeSH Terms
- Age Factors
- Animals
- Arthritis / economics
- Arthritis / physiopathology
- Arthritis / veterinary
- Carpus, Animal
- Female
- Horse Diseases / economics
- Horse Diseases / physiopathology
- Horses
- Linear Models
- Male
- Odds Ratio
- Retrospective Studies
- Sex Factors
- Sports / economics
References
This article includes 5 references
- J Am Vet Med Assoc. 1994 May 15;204(10):1655-9
- Equine Vet J. 1993 May;25(3):199-202
- Equine Vet J. 1972 Jul;4(3):139-43
- Equine Vet J. 1991 May;23(3):155-62
- Vet Res Commun. 1994;18(4):281-8
Citations
This article has been cited 2 times.- Bourdon B, Contentin R, Cassé F, Maspimby C, Oddoux S, Noël A, Legendre F, Gruchy N, Galéra P. Marine Collagen Hydrolysates Downregulate the Synthesis of Pro-Catabolic and Pro-Inflammatory Markers of Osteoarthritis and Favor Collagen Production and Metabolic Activity in Equine Articular Chondrocyte Organoids. Int J Mol Sci 2021 Jan 8;22(2).
- Holmes RS, Cox LA, Vandeberg JL. Horse carboxylesterases: evidence for six CES1 and four families of CES genes on chromosome 3. Comp Biochem Physiol Part D Genomics Proteomics 2009 Mar;4(1):54-65.
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