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Home / Equine Research Bank / Equine Vet J / Body condition scoring and weight estimation of horses.
Equine veterinary journal1988; 20(1); 41-45; doi: 10.1111/j.2042-3306.1988.tb01451.x

Body condition scoring and weight estimation of horses.

Abstract: Three hundred and seventy two horses of varying breeds, height and fatness were weighed and measured for height at the withers. They were assessed for condition score by adaptation of a previously published method. The heart girth and length of 281 of the horses were also measured. Weight of horses was highly correlated (P less than 0.001) with height (r2 = 0.62), condition score (r2 = 0.22) and girth2 x length (r2 = 0.90). Nomograms were constructed to predict weight from height and condition score, and girth and length measurements. Weight can also be accurately estimated from the formula: (formula, see text) The average value of 'Y' in this experiment was 11900 and this estimated weight with more accuracy than some previously published values of 'Y'. Racing Thoroughbred horses were found to be significantly lighter than non-racing Thoroughbreds of the same height and condition score. The method of assessment of condition score was shown to be repeatable between different operators with varying degrees of experience.
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Publication Date: 1988-01-01 PubMed ID: 3366105DOI: 10.1111/j.2042-3306.1988.tb01451.xGoogle Scholar: Lookup
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Summary

This research summary has been generated with artificial intelligence and may contain errors and omissions. Refer to the original study to confirm details provided. Submit correction.

The research articulates a study examining the correlations between the weight of horses and their various physical attributes, such as height, breed variations, and fatness, with the intent of developing a more precise and universal method to estimate a horse’s weight.

Overview of horse weight estimation correlation study

  • The research focused on 372 horses of different breeds, heights, and body fat levels.
  • The horses were evaluated on several physical parameters including height at the withers (the ridge between the shoulder blades, considered the horse’s highest point of the body), heart girth (the circumference of the horse’s chest just behind the withers), and body length.
  • Apart from the physical measurements, the horses were assessed for condition scores using a slightly modified version of a previously published method. Condition scores factor in indicators of physical well-being, generally relating to the horse’s fat deposits and muscle development.

Correlation findings

  • The research found high correlation coefficients (the numerical measure of some type of correlation) between a horse’s weight and its various physical measurements.
  • Out of all the parameters, the combination of heart girth and length had the highest correlation with horse weight (r2 = 0.90), followed by height (r2 = 0.62), and condition score (r2 = 0.22). Any correlation coefficient above 0.50 is considered to indicate a strong correlation.
  • Because of these strong correlations, the research posited that weight estimations for horses could be made highly accurate by using the aforementioned physical parameters.

Development of estimation method and nomograms

  • To facilitate the estimation of a horse’s weight, researchers developed nomograms based on the correlations found.
  • Nomograms are graphical calculating devices useful to estimate an output based on several inputs. In this case, they would represent how changing values of physical dimensions and condition score could impact a horse’s weight.

Thoroughbred horse insights

  • The study highlighted specific insights around Thoroughbred horses. Racing Thoroughbreds were found to be significantly lighter than non-racing Thoroughbreds of the same height and condition score, presumably reflecting the different physiological demands of racing versus non-racing horses.

Condition score reliability

  • The study also tested the repeatability of the adopted condition scoring methodology. The research affirmed that this method was consistent across different examiners and variations in experience level, underscoring the reliability and potential for wider use of this scoring method.

Cite This Article

APA
Carroll CL, Huntington PJ. (1988). Body condition scoring and weight estimation of horses. Equine Vet J, 20(1), 41-45. https://doi.org/10.1111/j.2042-3306.1988.tb01451.x

Publication

Equine veterinary journal
ISSN: 0425-1644
NlmUniqueID: 0173320
Country: United States
Language: English
Volume: 20
Issue: 1
Pages: 41-45

Researcher Affiliations

Carroll, C L
  • Department of Agriculture and Rural Affairs, Attwood Veterinary Research Laboratory, Westmeadows, Victoria, Australia.
Huntington, P J

    MeSH Terms

    • Animals
    • Biometry
    • Body Weight
    • Female
    • Horses / anatomy & histology
    • Male
    • Physical Examination / veterinary

    Citations

    This article has been cited 149 times.
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