{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,8,26]],"date-time":"2025-08-26T07:00:11Z","timestamp":1756191611682},"reference-count":16,"publisher":"Wiley","issue":"10","license":[{"start":{"date-parts":[[2017,4,12]],"date-time":"2017-04-12T00:00:00Z","timestamp":1491955200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"name":"JSPS KAKENHI","award":["26450393"],"award-info":[{"award-number":["26450393"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Animal Science Journal"],"published-print":{"date-parts":[[2017,10]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>The aim of this study was to evaluate the influence of rider's skill on the plasma cortisol levels of trekking horses on two courses, walking on field and forest courses (about 4.5 to 5.1\u00a0km each). Three riders of different skills did horse trekking (<jats:styled-content style=\"fixed-case\">HT<\/jats:styled-content>) in a tandem line under a fixed order: advanced\u2010leading, beginner\u2010second and intermediate\u2010last. A total of six horses were used and they experienced all positions in both courses; a total of 12 experiments were done. Blood samples were obtained before <jats:styled-content style=\"fixed-case\">HT<\/jats:styled-content>, immediately after and 2\u00a0h after <jats:styled-content style=\"fixed-case\">HT<\/jats:styled-content>. As a control, additional blood samples were obtained from the same horses on non\u2010riding days. Irrespective of the course and the rider's skill, the cortisol level before <jats:styled-content style=\"fixed-case\">HT<\/jats:styled-content> was higher than that of control (<jats:italic>P\u00a0<\/jats:italic>&lt;<jats:italic>\u00a0<\/jats:italic>0.05). In both courses, the cortisol levels immediately after <jats:styled-content style=\"fixed-case\">HT<\/jats:styled-content> ridden by the advanced rider were higher than that of control (<jats:italic>P\u00a0<\/jats:italic>&lt;<jats:italic>\u00a0<\/jats:italic>0.05). However, in every case, the cortisol level 2\u00a0h after <jats:styled-content style=\"fixed-case\">HT<\/jats:styled-content> was closely similar to the level of the control. Thus, we concluded the stress of trekking horse was not sufficient to disturb the circadian rhythm of the cortisol level, irrespective of the course and the rider's skill.<\/jats:p>","DOI":"10.1111\/asj.12801","type":"journal-article","created":{"date-parts":[[2017,4,12]],"date-time":"2017-04-12T10:23:08Z","timestamp":1491992588000},"page":"1629-1635","source":"Crossref","is-referenced-by-count":7,"title":["Influence of riders\u2019 skill on plasma cortisol levels of horses walking on forest and field trekking courses"],"prefix":"10.1111","volume":"88","author":[{"given":"Ayaka","family":"Ono","sequence":"first","affiliation":[{"name":"Department of Animal Science School of Veterinary Medicine Kitasato University Towada Aomori Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Akihiro","family":"Matsuura","sequence":"additional","affiliation":[{"name":"Department of Animal Science School of Veterinary Medicine Kitasato University Towada Aomori 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