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Rein tension acceptance in young horses in a voluntary test situation.
Equine Vet J 2011; 43(2):223-8EV

Abstract

REASONS FOR PERFORMING THE STUDY

During riding, horses are frequently exposed to pressure from the rider, e.g. through the bit and reins, but few studies have investigated at which point rein tension becomes uncomfortable for the horse.

OBJECTIVES

To investigate how much rein tension young inexperienced horses are willing to accept in order to obtain a food reward; whether the tension acceptance changes during 3 consecutive test days; and whether rein tension correlates with the expression of conflict behaviour and heart rate.

HYPOTHESES

Pressure-naïve horses will apply only little rein tension in the first voluntary trial, but their acceptance will gradually increase. High levels of rein tension will lead to expression of conflict behaviour and increases in heart rate.

METHODS

Fifteen 2-year-old, bridle-naïve mares were encouraged to stretch their head forward (across a 0.95 m high metal bar) to obtain a food reward in a voluntary test situation. On each test day, each horse was exposed to 2 control sessions (loose reins), an intermediate and a short rein session (1 min/session). Rein tension, heart rate and behaviour were recorded.

RESULTS

The horses applied significantly more tension on the first day (mean rein tension: 10.2 N), compared to the second and third test day (Day 2: 6.0 and Day 3: 5.7 N). The horses showed significantly more conflict behaviour in the short rein treatment. There was no treatment effect on heart rate.

CONCLUSIONS AND POTENTIAL RELEVANCE

The horses applied the highest rein tension on the first day, and apparently learned to avoid the tension, rather than habituate to it. Rein tension correlated with expression of conflict behaviour, indicating that the horses found the tension aversive. Further studies should focus on the correlation between rein tension and conflict behaviour in ridden horses.

Authors+Show Affiliations

Department of Animal Health and Bioscience, Faculty of Agricultural Sciences, Aarhus University, Denmark. JanneWinther.Christensen@agrsci.dkNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

21592219

Citation

Christensen, J W., et al. "Rein Tension Acceptance in Young Horses in a Voluntary Test Situation." Equine Veterinary Journal, vol. 43, no. 2, 2011, pp. 223-8.
Christensen JW, Zharkikh TL, Antoine A, et al. Rein tension acceptance in young horses in a voluntary test situation. Equine Vet J. 2011;43(2):223-8.
Christensen, J. W., Zharkikh, T. L., Antoine, A., & Malmkvist, J. (2011). Rein tension acceptance in young horses in a voluntary test situation. Equine Veterinary Journal, 43(2), pp. 223-8. doi:10.1111/j.2042-3306.2010.00151.x.
Christensen JW, et al. Rein Tension Acceptance in Young Horses in a Voluntary Test Situation. Equine Vet J. 2011;43(2):223-8. PubMed PMID: 21592219.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Rein tension acceptance in young horses in a voluntary test situation. AU - Christensen,J W, AU - Zharkikh,T L, AU - Antoine,A, AU - Malmkvist,J, PY - 2011/5/20/entrez PY - 2011/5/20/pubmed PY - 2011/6/30/medline SP - 223 EP - 8 JF - Equine veterinary journal JO - Equine Vet. J. VL - 43 IS - 2 N2 - REASONS FOR PERFORMING THE STUDY: During riding, horses are frequently exposed to pressure from the rider, e.g. through the bit and reins, but few studies have investigated at which point rein tension becomes uncomfortable for the horse. OBJECTIVES: To investigate how much rein tension young inexperienced horses are willing to accept in order to obtain a food reward; whether the tension acceptance changes during 3 consecutive test days; and whether rein tension correlates with the expression of conflict behaviour and heart rate. HYPOTHESES: Pressure-naïve horses will apply only little rein tension in the first voluntary trial, but their acceptance will gradually increase. High levels of rein tension will lead to expression of conflict behaviour and increases in heart rate. METHODS: Fifteen 2-year-old, bridle-naïve mares were encouraged to stretch their head forward (across a 0.95 m high metal bar) to obtain a food reward in a voluntary test situation. On each test day, each horse was exposed to 2 control sessions (loose reins), an intermediate and a short rein session (1 min/session). Rein tension, heart rate and behaviour were recorded. RESULTS: The horses applied significantly more tension on the first day (mean rein tension: 10.2 N), compared to the second and third test day (Day 2: 6.0 and Day 3: 5.7 N). The horses showed significantly more conflict behaviour in the short rein treatment. There was no treatment effect on heart rate. CONCLUSIONS AND POTENTIAL RELEVANCE: The horses applied the highest rein tension on the first day, and apparently learned to avoid the tension, rather than habituate to it. Rein tension correlated with expression of conflict behaviour, indicating that the horses found the tension aversive. Further studies should focus on the correlation between rein tension and conflict behaviour in ridden horses. SN - 0425-1644 UR - https://www.unboundmedicine.com/medline/citation/21592219/full_citation/Rein_tension_acceptance_in_young_horses_in_a_voluntary_test_situation_ L2 - https://doi.org/10.1111/j.2042-3306.2010.00151.x DB - PRIME DP - Unbound Medicine ER -