[Stress parameters and behaviour of horses in walkers with and without the use of electricity].
Abstract: In order to investigate stress responses of horses in walkers with and without electricity, 12 horses were trained during 3 weeks in a horse walker with and without the use of electricity (3.7 kV). To evaluate the stress response, cortisol levels in the blood were measured, the heart rate was monitored using the Polar® system and the behaviour was evaluated. Neither the cortisol levels nor the heart rates showed any relevant statistically significant difference between horses moved in the horse walker with or without the use of electricity. The highest cortisol levels and heart rates were recorded during the first week (habituation period). A significant difference could be observed regarding spontaneous compartment changes: while this happened mainly during the first week and before the first use of electricity, no horses changed compartments in the periods when electricity was used and thereafter. The results of this study indicate that the use of electricity in the horse walker does not seem to cause significant detectable stress in the horses. Um die Stressbelastung von Pferden in Führanlagen zu vergleichen, wurden 12 Pferde während 3 Wochen in einer Führanlage mit und ohne stromführenden (3.7 kV) Abtrennungen bewegt. Zur Ermittlung der Stressbelastung wurden die Cortisolwerte im Blut gemessen, die Herzschlagfrequenz mittels Polar® registriert und das Verhalten erfasst. Weder die Cortisol- noch die Herzfrequenzmessungen zeigten einen bedeutenden signifikanten Unterschied zwischen Pferden, die in einer stromführenden beziehungsweise nicht stromführenden Führanlage gingen. Die höchsten Cortisol- und Herzfrequenzwerte wurden in der ersten Woche (Angewöhnungsphase) verzeichnet. Signifikante Unterschiede wurden bei den Verhaltensparametern «Spontanes Wechseln des Abteils» und «Kontakt mit der Trennwand» beobachtet: Während solche vor allem in der ersten Woche und vor dem ersten Stromeinsatz vorkamen, zeigte kein Pferd einen Abteilwechsel während und nach dem Stromeinsatz. Die Resultate dieser Studie deuten darauf hin, dass der Einsatz von stromführenden Abtrennungen in Führanlagen für Pferde keinen bedeutenden messbaren Stress verursacht. Pour comparer le stress ressenti par les chevaux dans les marcheurs, on a placé 12 chevaux durant 3 semaines dans un marcheur avec ou sans courant électrique (3.7 kV) dans les séparations. On a mesuré le taux de cortisol sanguin et la fréquence cardiaque au moyen d'un appareil Polar® et noté le comportement des chevaux. Ni les taux de cortisol ni les fréquences cardiaques ne présentaient de différences significatives entre les chevaux placés dans un marcheur avec ou sans courant électrique dans les séparations. Les taux de cortisol et les fréquences cardiaques les plus élevés ont été observés dans la première semaine (phase d'accoutumance). Des différences significatives de comportement ont par contre été constatées quant aux paramètres «changement spontané de compartiment» et «contact avec la séparation»: alors que ces faits se produisaient particulièrement durant la première semaine et avant le premier usage du courant électrique, les chevaux ne changeaient plus de compartiment pendant et après l'emploi de l'électricité. Les résultats de cette étude indiquent que l'emploi de l'électricité dans les séparations des marcheurs ne cause pas de stress mesurable significatif pour les chevaux. Per paragonare lo stress dei cavalli nelle giostre, 12 cavalli hanno camminato, durante 3 settimane, in una giostra con o senza elettrostimolatori (3.7 kV). Per determinare i livelli di stress si sono registrati i valori di cortisolo nel sangue, la frequenza del battito cardiaco utilizzando un Polar® e il comportamento. Né il cortisolo né le misurazioni della frequenza cardiaca hanno rilevato una differenza significativa tra i cavalli che camminavano in una giostra con elettrostimolatori o senza. I valori massimi della frequenza cardiaca e del cortisolo sono stati registrati nella prima settimana (fase di adattamento). Differenze significative sono state osservate nei parametri comportamentali «cambiamento spontaneo del comparto» e «contatto con la parete divisoria»: queste si sono verificate soprattutto nella prima settimana e prima del primo uso di elettricità, ma nessun cavallo ha mostrato alcun cambiamento di comparto durante e dopo l'uso di elettricità. I risultati dello studio suggeriscono che l'uso di separatori con o senza elettricità nelle giostre non causa uno stress significativo e misurabile nei cavalli.
Publication Date: 2014-04-02 PubMed ID: 24686816DOI: 10.1024/0036-7281/a000571Google Scholar: Lookup
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Summary
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This research aims to explore the stress responses of horses trained in horse walkers with and without the application of electricity. The study concluded that the use of electricity in horse walkers does not appear to generate significant stress in the horses.
Study Design and Parameters
- The study investigated the effect of using electricity in horse walkers by training 12 horses over a period of 3 weeks in a horse walker with and without the use of electricity (3.7 kV).
- To evaluate the stress levels in horses, their cortisol levels were measured, their heart rates monitored using the Polar® system, and their behavior assessed.
Observations and Findings
- The first week, which was the initial phase of habituation, recorded the highest cortisol levels and heart rates.
- Significant behavioural differences were observed regarding spontaneous compartment changes. These occurred typically during the first week and before the first use of electricity. However, no horses showed any compartment changes during and after the use of electricity.
- The researchers found that the use of electricity in the horse walker does not appear to lead to detectable stress in horses as evident from the lack of statistically significant difference in the cortisol levels and heart rates whether or not electricity was used.
Conclusion
- This study concluded that the use of electricity in the horse walker does not seem to instigate any significant measurable stress in the horses, hence suggesting the procedure to be stress-free for the participating horses.
Cite This Article
APA
Giese C, Gerber V, Howald M, Bachmann I, Burger D.
(2014).
[Stress parameters and behaviour of horses in walkers with and without the use of electricity].
Schweiz Arch Tierheilkd, 156(4), 163-169.
https://doi.org/10.1024/0036-7281/a000571 Publication
Researcher Affiliations
- Institut suisse de médecine équine ISME, ALP-Haras und Universität Bern, Avenches.
- Institut suisse de médecine équine ISME, ALP-Haras und Universität Bern, Avenches.
- Bundesamt für Lebensmittelsicherheit und Veterinärwesen BLV, Bern.
- Agroscope, Schweizerisches Nationalgestüt, Avenches.
- Institut suisse de médecine équine ISME, ALP-Haras und Universität Bern, Avenches.
MeSH Terms
- Animal Husbandry / methods
- Animals
- Behavior, Animal / physiology
- Electricity
- Female
- Heart Rate / physiology
- Horses / blood
- Horses / physiology
- Hydrocortisone / blood
- Male
- Stress, Psychological / blood
- Stress, Psychological / etiology
Citations
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