{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,4]],"date-time":"2025-10-04T00:41:27Z","timestamp":1759538487449,"version":"build-2065373602"},"reference-count":35,"publisher":"Wiley","issue":"7","license":[{"start":{"date-parts":[[2025,9,26]],"date-time":"2025-09-26T00:00:00Z","timestamp":1758844800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001280","name":"Horserace Betting Levy Board","doi-asserted-by":"publisher","award":["vet\/prj\/791","EPDF 2022\u20109"],"award-info":[{"award-number":["vet\/prj\/791","EPDF 2022\u20109"]}],"id":[{"id":"10.13039\/501100001280","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Veterinary Record"],"published-print":{"date-parts":[[2025,10,4]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>Analyses of industry\u2010level data suggest that around one\u2010third of the UK and Ireland Thoroughbred foal crop fail to enter training. Prospective follow\u2010up of individual horses could provide additional insight, particularly around individuals not attaining specific career milestones.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>A Thoroughbred birth cohort was established on stud farms across the UK and Ireland. Training, race performance, sales, export data, destinations and reasons for individuals failing to meet career milestones were collected from stud records, follow\u2010up with owners, stud book and racing authorities\u2019 databases, and publicly available data sources to the end of the fourth year of life.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Of 262 foals that were alive at the end of the second year of life, 94.7% (248\/262; 95% confidence interval [CI] 91.2\u201296.8) were registered with a licensed trainer and 79.0% (207\/262; 95% CI 73.7\u201283.5) had raced at least once by the end of the follow\u2010up period. Just eight individuals, all of which had been sold as foals and\/or yearlings, had an unknown fate or whereabouts.<\/jats:p><\/jats:sec><jats:sec><jats:title>Limitations<\/jats:title><jats:p>Outcomes for horses exported out of the UK may be underestimated.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Wastage may be lower than industry\u2010level figures suggest, highlighting important traceability gaps at this level, likely due to the dynamic nature of Thoroughbred populations.<\/jats:p><\/jats:sec>","DOI":"10.1002\/vetr.5777","type":"journal-article","created":{"date-parts":[[2025,9,26]],"date-time":"2025-09-26T09:05:16Z","timestamp":1758877516000},"source":"Crossref","is-referenced-by-count":0,"title":["Born to run? Racing and training outcomes, population dynamics and traceability of a Thoroughbred birth cohort"],"prefix":"10.1002","volume":"197","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-9850-7878","authenticated-orcid":false,"given":"Rebecca","family":"Mouncey","sequence":"first","affiliation":[{"name":"Department of Pathobiology and Population Sciences Royal Veterinary College  Hatfield UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Amanda M.","family":"de Mestre","sequence":"additional","affiliation":[{"name":"Baker Institute for Animal Health College of Veterinary Medicine Cornell University  Ithaca New York USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5077-224X","authenticated-orcid":false,"given":"Kristien L.","family":"Verheyen","sequence":"additional","affiliation":[{"name":"Department of Pathobiology and Population Sciences Royal Veterinary College  Hatfield UK"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2025,9,26]]},"reference":[{"doi-asserted-by":"publisher","key":"e_1_2_11_2_1","DOI":"10.1002\/vetr.298"},{"doi-asserted-by":"publisher","key":"e_1_2_11_3_1","DOI":"10.2746\/042516406776563305"},{"doi-asserted-by":"publisher","key":"e_1_2_11_4_1","DOI":"10.1111\/j.2042-3306.1982.tb02389.x"},{"doi-asserted-by":"publisher","key":"e_1_2_11_5_1","DOI":"10.2746\/042516406776563279"},{"volume-title":"A new strategic plan for the welfare of horses bred for racing, 2020\u20122024","year":"2020","author":"Horse Welfare Board","key":"e_1_2_11_6_1"},{"volume-title":"Thoroughbred Breeders Association economic impact study","year":"2018","author":"Price Waterhouse Coopers","key":"e_1_2_11_7_1"},{"doi-asserted-by":"publisher","key":"e_1_2_11_8_1","DOI":"10.1002\/vetr.2994"},{"doi-asserted-by":"publisher","key":"e_1_2_11_9_1","DOI":"10.1111\/evj.14038"},{"volume-title":"Fact Book","year":"2020","author":"Weatherbys","key":"e_1_2_11_10_1"},{"volume-title":"Weatherbys bloodstock publications supplement to volume 46 of the general stud book","year":"2019","author":"Weatherbys","key":"e_1_2_11_11_1"},{"volume-title":"Weatherbys bloodstock publications supplement to volume 47 of the general stud book","year":"2020","author":"Weatherbys","key":"e_1_2_11_12_1"},{"volume-title":"Racing post bloodstock","author":"Racing Post","key":"e_1_2_11_13_1"},{"unstructured":"Racing and Sports. Available from:https:\/\/www.racingandsports.com.au.Accessed 30 Jan 2024.","key":"e_1_2_11_14_1"},{"unstructured":"Tattersalls. Available from:https:\/\/www.tattersalls.com\/. Accessed 30 Jan 2024.","key":"e_1_2_11_15_1"},{"unstructured":"Tattersalls Ireland. Available from:https:\/\/www.tattersalls.ie\/. Accessed 30 Jan 2024.","key":"e_1_2_11_16_1"},{"unstructured":"Goffs. Available from:https:\/\/www.goffs.com\/. Accessed 30 Jan 2024.","key":"e_1_2_11_17_1"},{"unstructured":"Arquana. Available from:https:\/\/www.arqana.com\/. Accessed 30 Jan 2024.","key":"e_1_2_11_18_1"},{"unstructured":"France Galop. Available from:https:\/\/www.france\u2010galop.com\/en. Accessed 30 Jan 2024.","key":"e_1_2_11_19_1"},{"unstructured":"German Studbook and Sales. Available from:https:\/\/bbag\u2010sales.de\/home~en. Accessed 30 Jan 2024.","key":"e_1_2_11_20_1"},{"unstructured":"Japanese Studbook and Racing. Available from:https:\/\/www.studbook.jp\/users\/ja\/SearchChichiKettou. 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