{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,24]],"date-time":"2025-11-24T16:44:13Z","timestamp":1764002653884,"version":"3.40.5"},"reference-count":20,"publisher":"Wiley","issue":"7","license":[{"start":{"date-parts":[[2023,7,3]],"date-time":"2023-07-03T00:00:00Z","timestamp":1688342400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"funder":[{"DOI":"10.13039\/100001250","name":"Morris Animal Foundation","doi-asserted-by":"publisher","award":["D16EQ\u2010311"],"award-info":[{"award-number":["D16EQ\u2010311"]}],"id":[{"id":"10.13039\/100001250","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100000052","name":"NIH Office of the Director","doi-asserted-by":"publisher","award":["T35 OD011145"],"award-info":[{"award-number":["T35 OD011145"]}],"id":[{"id":"10.13039\/100000052","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Veterinary Surgery"],"published-print":{"date-parts":[[2023,10]]},"abstract":"Abstract<\/jats:title>Objective<\/jats:title>The aim of this study was to identify the radiographic prevalence of periarticular osteophytes of the distal tarsus in nonlame yearling Standardbred horses, and to evaluate its potential impact on race performance.<\/jats:p><\/jats:sec>Study design<\/jats:title>Cross\u2010sectional cohort study.<\/jats:p><\/jats:sec>Animals<\/jats:title>Client\u2010owned yearling Standardbred horses (n<\/jats:italic>\u2009=\u2009416).<\/jats:p><\/jats:sec>Methods<\/jats:title>Bilateral tarsal radiographs were available from all horses for review. Osteophytes were measured on radiographs using clinical visualization software and categorized by size. Racing records were obtained from the United States Trotting Association. Regression analysis was used to determine associations between presence or size of periarticular osteophytes and performance parameters with sex and gait covariates.<\/jats:p><\/jats:sec>Results<\/jats:title>Of 416 Standardbred yearlings without clinical lameness, 113 (27.1%) had distal tarsal periarticular osteophytes. Regression analyses revealed few associations between the presence of periarticular osteophytes and performance parameters. Affected horses had fewer starts at 4\u2009years of age (incident rate ratio [IRR] 0.92, p<\/jats:italic>\u2009=\u2009.01) and fewer lifetime starts (IRR 0.95, p<\/jats:italic>\u2009=\u2009.003), but the effect size was small. Within the affected group, osteophyte size was only associated with number of starts at 3 (IRR 0.67, p<\/jats:italic>\u2009<\u2009.0001). Sex and gait affected many performance parameters.<\/jats:p><\/jats:sec>Conclusion<\/jats:title>The prevalence of distal tarsal periarticular osteophytes was similar to that in other breeds. Periarticular osteophytes of the distal tarsus appeared to be a largely incidental finding in nonlame yearling Standardbreds intended for harness racing.<\/jats:p><\/jats:sec>Clinical significance<\/jats:title>Distal tarsal periarticular osteophytes in young, nonlame Standardbred horses should affect racing potential only minimally. This is in contrast to reports from other disciplines.<\/jats:p><\/jats:sec>","DOI":"10.1111\/vsu.13987","type":"journal-article","created":{"date-parts":[[2023,7,3]],"date-time":"2023-07-03T12:38:16Z","timestamp":1688387896000},"page":"1050-1056","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Impact of periarticular osteophytes of the distal tarsus diagnosed in nonlame yearling Standardbred horses on racing performance"],"prefix":"10.1111","volume":"52","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-4088-6902","authenticated-orcid":false,"given":"Annette M.","family":"McCoy","sequence":"first","affiliation":[{"name":"Department of Veterinary Clinical Medicine University of Illinois Urbana\u2010Champaign Urbana Illinois USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kara N.","family":"Scolman","sequence":"additional","affiliation":[{"name":"Department of Veterinary Clinical Medicine University of Illinois Urbana\u2010Champaign Urbana Illinois USA"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2023,7,3]]},"reference":[{"key":"e_1_2_10_2_1","doi-asserted-by":"publisher","DOI":"10.2746\/042516400776563590"},{"key":"e_1_2_10_3_1","doi-asserted-by":"publisher","DOI":"10.2746\/042516403776014307"},{"key":"e_1_2_10_4_1","doi-asserted-by":"publisher","DOI":"10.1080\/00480169.2008.36834"},{"key":"e_1_2_10_5_1","doi-asserted-by":"publisher","DOI":"10.2460\/javma.252.1.108"},{"volume-title":"R: A Language and Environment for Statistical Computing","year":"2022","author":"R Core Team","key":"e_1_2_10_6_1"},{"key":"e_1_2_10_7_1","first-page":"1","article-title":"The split\u2010apply\u2010combine strategy for data analysis","volume":"40","author":"Wickman H","year":"2011","journal-title":"J Stat Softw"},{"volume-title":"Janitor: Simple Tools for Examining and Cleaning Dirty Data. 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