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Schweizer Archiv fur Tierheilkunde2022; 164(11); 768-776; doi: 10.17236/sat00373

[Heart rate and faecal cortisol metabolites measurements in horses at the Sechseläuten in Zurich].

Abstract: The Zurich's Sechseläuten is a traditional festival of the Zurich guilds, in which around 500 horses take part. After a parade through the old town of Zurich, the riders gather at a big square to canter around a burning woodpile topped with an exploding effigy (the «Böögg»). The level of stress experienced by the horses partaking in this event is subjected to increasing scrutiny. The aim of this study was to evaluate the stress load of the horses participating in the Sechseläuten procession more objectively by measuring heart rate and faecal cortisol metabolites. Twenty-three horse-rider pairs were voluntarily recruited from the guilds for participation in the study. For comparison purposes, three sections of the procession were simulated in terms of gait and distance travelled in a normal riding environment during a test day and observed during the Sechseläuten itself 16 days later: Counter march Bahnhofstrasse, parade Limmatquai and parade around the burning «Böögg». All horses were equipped with a heart rate measuring system with GPS tracking (Polar Team Pro®, Polar Electro Oy, Finland). Faecal samples for measuring cortisol metabolites were taken rectally immediately before and 24 hours after the events. Thirteen of the 23 horses were sedated during the Sechseläuten (Acepromazine, 0,1-0,2 mg/kg p.o.). The differences between the observation periods and groups (sedated/unsedated) were tested by analysis of variance (P. Am Zürcher Sechseläuten, einem traditionellen Fest der Zürcher Zünfte, nehmen rund 500 Pferde teil. Der Festumzug durchquert dabei zuerst die Altstadt Zürichs um sich am Ende beim Sechseläutenplatz zu versammeln. Dort galoppieren die berittenen Gruppen der einzelnen Zünfte um einen brennenden Scheiterhaufen auf dem ein mit Sprengkörpern bestückter Schneemann («Böögg») steht. Die Zumutbarkeit der Stressexposition von Pferden an solchen Anlässen wird immer wieder kontrovers diskutiert. Ziel dieser Studie war es mit Hilfe der Messung von Herzfrequenz und Kotcortisolmetaboliten die Belastung der am Sechseläuten teilnehmenden Pferde zu objektivieren. Dem Aufruf bei den Zünften zur freiwilligen Studienteilnahme folgten 23 Pferd-Reiter-Paare. Drei Teilabschnitte des Umzuges wurden zu Vergleichszwecken im Rahmen eines Testtags in einer normalen Reitumgebung simuliert und 16 Tage später beim Sechseläuten selbst untersucht: Kontermarsch Bahnhofstrasse, Umzug Limmatquai und Umritt um den Böögg. Alle Pferde wurden mit einem Herzfrequenz-Messsystem mit GPS-Peilung (Polar Team Pro®, Polar Electro Oy, Finnland) ausgerüstet. Kotproben zur Cortisolmetabolitenbestimmung wurden unmittelbar vor und 24 Stunden nach den Ereignissen direkt entnommen. Dreizehn der 23 Pferde wurden am Sechseläuten sediert (Acepromazin, 0,1-0,2 mg/kg p.o.). Die Unterschiede zwischen den Beobachtungsabschnitten und den Gruppen sediert/unsediert wurden mittels Varianzanalyse untersucht (P. Le Sechseläuten de Zurich est une fête traditionnelle des guildes zurichoises à laquelle participent environ 500 chevaux. Après un défilé dans la vieille ville de Zurich, les cavaliers se rassemblent sur une grande place pour galoper autour d’un tas de bois en feu surmonté d’une effigie qui explose (le «Böögg»). Le niveau de stress des chevaux participant à cet événement fait l’objet d’une attention croissante. L’objectif de cette étude était d’évaluer plus objectivement le niveau de stress des chevaux participant au cortège du Sechseläuten en mesurant la fréquence cardiaque et les métabolites fécaux du cortisol. Vingt-trois couples cheval-cavalier ont été recrutés volontairement dans les guildes pour participer à l’étude. À des fins de comparaison, trois sections du cortège ont été simulées en termes d’allure et de distance parcourue dans un environnement équestre normal lors d’une journée de test et observées ensuite pendant le Sechseläuten lui-même 16 jours plus tard: Contre-marche sur la Bahnhofstrasse, cortège sur le Limmatquai et chevauchée autour du «Böögg» en feu. Tous les chevaux ont été équipés d’un système de mesure de la fréquence un cardiomètre avec suivi GPS (Polar Team Pro®, Polar Electro Oy, Finlande). Des échantillons fécaux destinés à mesurer les métabolites du cortisol ont été prélevés par voie rectale immédiatement avant et 24 heures après les événements. Treize des 23 chevaux ont été mis sous sédation pendant le Sechseläuten (Acépromazine, 0,1–0,2 mg/kg p.o.). Les différences entre les périodes d’observation et les groupes (sédaté/non-sédaté) ont été testées par analyse de variance (P. Circa 500 cavalli partecipano alla Sechseläuten di Zurigo, una festa tradizionale delle corporazioni zurighesi. Il corteo attraversa prima il centro storico di Zurigo e si riunisce alla fine sulla piazza Sechseläuten. Qui, i gruppi a cavallo delle singole corporazioni galoppano intorno a una pira ardente su cui si erge un pupazzo di neve («Böögg») dotato di ordigni esplosivi. Il livello di stress vissuto dai cavalli che partecipano a eventi di questo genere è sempre più messo in discussione. Lo scopo di questo studio è quello di valutare in modo più oggettivo lo stress subito dai cavalli che partecipano alla Sechseläuten misurando la loro frequenza cardiaca e i metaboliti del cortisolo fecale. Alla richiesta fatta alle corporazioni per la partecipazione volontaria allo studio hanno risposto 23 coppie cavallo-cavaliere. Tre sezioni del corteo sono state simulate a scopo di confronto in un normale ambiente di guida durante una giornata di test e poi esaminate 16 giorni dopo durante la Sechseläuten stessa: la contromarcia della Bahnhofstrasse, il corteo del Limmatquai e la parata intorno al Böögg. Tutti i cavalli erano dotati di un sistema di monitoraggio della frequenza cardiaca con tracciamento GPS (Polar Team Pro®, Polar Electro Oy, Finlandia). I campioni fecali per la determinazione dei metaboliti del cortisolo sono stati prelevati direttamente subito prima e 24 ore dopo gli eventi. Tredici dei 23 cavalli sono stati sedati al Sechseläuten (acepromazina, 0,1–0,2 mg/kg p.o.). Le differenze tra i periodi di osservazione e i gruppi sedati/non-sedati sono state analizzate mediante analisi della varianza (P.
Publication Date: 2022-11-04 PubMed ID: 36325640DOI: 10.17236/sat00373Google Scholar: Lookup
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Summary

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This study examines the stress levels of horses participating in Zurich’s traditional Sechseläuten festival by measuring their heart rate and fecal cortisol metabolites. The study involved twenty-three horse-rider pairs and compared the stress levels during a simulation of the event and the event itself.

Introduction

  • The traditional festival of the Zurich guilds, known as the Sechseläuten, involves around 500 horses which participate in a parade through the Zurich Old Town and a gathering around a burning effigy known as the ‘Böögg’.
  • The study aims to evaluate the load of stress experienced by the horses during these events by measuring heart rate and fecal cortisol metabolites (FCM).
  • Twenty-three volunteer horse-rider pairs from the guilds participated in the study for an accurate and objective assessment.

Methodology

  • The study mimicked three sections of the procession in a normal riding environment during a test day and compared it to the event 16 days later: Counter-march Bahnhofstrasse, parade Limmatquai, and parade around the burning ‘Böögg’.
  • Each of the horses was equipped with a heart rate measuring system with GPS tracking (Polar Team Pro, Polar Electro Oy, Finland).
  • Fecal samples to measure cortisol metabolites were collected rectally right before and 24 hours after the events.

Sedation and Analysis

  • Thirteen of the 23 horses were sedated during the Sechseläuten. The sedative used was Acepromazine, administered at a dosage of 0.1-0.2 mg/kg p.o.
  • The differences between sedated and unsedated horses, as well as the differences between the observation periods, were examined using variance analysis.

Goal of the Study

  • The end goal of the study was to offer a more objective approach towards understanding the stress exposure of horses during such events, which often becomes a subject of controversy.

Cite This Article

APA
Novotny EN, Hässig M, Palme R, Fürst AE, Weishaupt MA. (2022). [Heart rate and faecal cortisol metabolites measurements in horses at the Sechseläuten in Zurich]. Schweiz Arch Tierheilkd, 164(11), 768-776. https://doi.org/10.17236/sat00373

Publication

ISSN: 1664-2848
NlmUniqueID: 0424247
Country: Switzerland
Language: ger
Volume: 164
Issue: 11
Pages: 768-776

Researcher Affiliations

Novotny, E N
  • Departement für Pferde, Abteilung Sportmedizin, Vetsuisse-Fakultät, Universität Zürich.
Hässig, M
  • Abteilung Ambulanz und Bestandesmedizin, Departement für Nutztiere, Universität Zürich.
Palme, R
  • Abteilung für Physiologie, Pathophysiologie und -experimentelle Endokrinologie, Veterinärmedizinische Universität Wien, Österreich.
Fürst, A E
  • Departement für Pferde, Klinik für Pferdechirurgie, Vetsuisse-Fakultät, Universität Zürich, Schweiz.
Weishaupt, M A
  • Departement für Pferde, Abteilung Sportmedizin, Vetsuisse-Fakultät, Universität Zürich.

MeSH Terms

  • Horses
  • Animals
  • Hydrocortisone / analysis
  • Heart Rate / physiology
  • Gait / physiology
  • Feces

Citations

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