{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,21]],"date-time":"2026-08-21T08:42:09Z","timestamp":1787301729318,"version":"build-2736575974"},"reference-count":25,"publisher":"American Veterinary Medical Association (AVMA)","issue":"10","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["javma"],"published-print":{"date-parts":[[2010,5,15]]},"abstract":"<jats:title>Abstract<\/jats:title>\n<jats:p><jats:bold>Objective<\/jats:bold>\u2014To estimate prevalence of and identify factors associated with anhidrosis in horses in Florida.<\/jats:p>\n<jats:p><jats:bold>Design<\/jats:bold>\u2014Cross-sectional study and case-control study.<\/jats:p>\n<jats:p><jats:bold>Animals<\/jats:bold>\u20144,620 horses on 500 farms.<\/jats:p>\n<jats:p><jats:bold>Procedures<\/jats:bold>\u2014A questionnaire was structured and mailed to farm owners or managers to obtain information related to diagnosis of anhidrosis in horses and exposure factors associated with this condition. The frequency of investigated farm- and animal-level factors was compared between farms and horses affected and not affected with anhidrosis, respectively.<\/jats:p>\n<jats:p><jats:bold>Results<\/jats:bold>\u2014The prevalence of anhidrosis was 11% at the farm level and 2% at the animal level. The odds of anhidrosis were 2.13 and 4.40 times as high in farms located in central and southern Florida, respectively, compared with odds for farms in northern Florida. The odds of anhidrosis were 5.26 and 15.40 times as high in show and riding instruction operations, respectively, compared with odds for ranch operations. At the animal level, breed (Thoroughbreds and warmblood horses), foaling place (western or midwestern region of the United States), and family history of anhidrosis were significantly associated with anhidrosis.<\/jats:p>\n<jats:p><jats:bold>Conclusions and Clinical Relevance<\/jats:bold>\u2014This study provides new information on the prevalence of and factors for anhidrosis in horses in Florida. Horses with a family history of anhidrosis should be examined by a veterinarian for diagnosis of this condition before they are exposed to exercise in a hot and humid climate.<\/jats:p>","DOI":"10.2460\/javma.236.10.1091","type":"journal-article","created":{"date-parts":[[2010,5,15]],"date-time":"2010-05-15T07:03:44Z","timestamp":1273907024000},"page":"1091-1097","source":"Crossref","is-referenced-by-count":21,"title":["An epidemiologic study of anhidrosis in horses in Florida"],"prefix":"10.2460","volume":"236","author":[{"given":"Eric B.","family":"Johnson","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Robert J.","family":"MacKay","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jorge A.","family":"Hernandez","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1272","reference":[{"key":"ref1","series-title":"J Am Vet Med Assoc","first-page":"1556","article-title":"Anhidrosis, dry-coat condition in the Thoroughbred","volume":"149","author":"Correa","year":"1966"},{"key":"ref2","series-title":"Proc Am Assoc Equine Pract","first-page":"249","article-title":"Anhidrosis","volume":"22","author":"Currie","year":"1976"},{"key":"ref3","series-title":"Compend Contin Educ Pract Vet","first-page":"436","article-title":"Thermoregulation and clinical disorders associated with exercise and heat stress","volume":"18","author":"Geor","year":"1996"},{"key":"ref4","series-title":"Vet Clin North Am Equine Pract","first-page":"355","article-title":"Equine anhidrosis","volume":"18","author":"Hubert","year":"2002"},{"key":"ref5","series-title":"Vet Dermatol","first-page":"2","article-title":"Equine sweating and anhidrosis. Part 2: anhidrosis","volume":"18","author":"Jenkinson","year":"2007"},{"key":"ref6","series-title":"Vet Rec","first-page":"1","article-title":"Physiological factors in the condition of \u201cdry coat\u201d in horses","volume":"69","author":"Evans","year":"1957"},{"key":"ref7","series-title":"Equine Vet J","first-page":"518","article-title":"Quantitative intradermal terbutaline sweat test in horses","volume":"40","author":"MacKay","year":"2008"},{"key":"ref8","series-title":"Vet Dermatol","first-page":"17","article-title":"Immunolocalization of aquaporin-5 expression in sweat gland cells from normal and anhidrotic horses","volume":"17","author":"Bovell","year":"2006"},{"key":"ref9","series-title":"Br Vet J","first-page":"117","article-title":"Physiological mechanisms that underlie sweating in the horse","volume":"122","author":"Evans","year":"1966"},{"key":"ref10","series-title":"J Am Vet Med Assoc","first-page":"627","article-title":"Equine anhidrosis: a survey of affected horses in Florida","volume":"180","author":"Warner","year":"1982"},{"key":"ref11","series-title":"J Vet Intern Med","first-page":"136","article-title":"Clinical, clinicopathologic, and epidemiologic features of anhidrosis in central Florida Thoroughbred horses","volume":"1","author":"Mayhew","year":"1987"},{"key":"ref12","article-title":"Livestock and horses: introducing florida's livestock and horse industries"},{"key":"ref13","article-title":"2002 Census of Agriculture"},{"key":"ref14","series-title":"J S Afr Vet Assoc","first-page":"162","article-title":"Use of a semiquantitive sweat test in Thoroughbred horses","volume":"63","author":"Guthrie","year":"1992"},{"key":"ref15","series-title":"Equine Vet J","first-page":"605","article-title":"Quantification of the response of equine apocrine sweat glands to \u03b22-adrenergic stimulation","volume":"33","author":"Scott","year":"2001"},{"key":"ref16","series-title":"J Am Vet Med Assoc","first-page":"1464","article-title":"Papillomatous digital dermititis in 458 dairies","volume":"209","author":"Rodriguez-Lainz","year":"1996"},{"key":"ref17","series-title":"Equine Vet J","first-page":"59","article-title":"Effects of season and lower ambient temperature on the structure of the sweat glands in anhidrotic horses","volume":"21","author":"Jenkinson","year":"1989"},{"key":"ref18","series-title":"J Comp Pathol","first-page":"397","article-title":"A histological study of the sweat glands of normal and dry-coated horses","volume":"67","author":"Evans","year":"1957"},{"key":"ref19","series-title":"Vet Rec","first-page":"463","article-title":"Panting in cattle and nonsweating horses","volume":"62","author":"Arnold","year":"1950"},{"key":"ref20","series-title":"Vet J","first-page":"235","article-title":"A preliminary report of an investigation of a condition known as dry coat in horses","volume":"81","author":"Wright","year":"1925"},{"key":"ref21","series-title":"Vet Med Small Anim Clin","first-page":"730","article-title":"Anhidrosis in a Thoroughbred","volume":"76","author":"Peter","year":"1981"},{"key":"ref22","series-title":"Can J Appl Physiol","first-page":"152","article-title":"Exercise in the heat: thermoregulatory limitations to performance in humans and horses","volume":"24","author":"Lindinger","year":"1999"},{"key":"ref23","article-title":"Arabian horses history & heritage: origin of the Arabian horse"},{"key":"ref24","series-title":"The Ultimate Horse Site. Thoroughbred breed information"},{"key":"ref25","series-title":"Vet Dermatol","first-page":"361","article-title":"Equine sweating and anhidrosis part 1\u2014equine sweating","volume":"17","author":"McEwan","year":"2006"}],"container-title":["Journal of the American Veterinary Medical Association"],"original-title":[],"link":[{"URL":"https:\/\/avmajournals.avma.org\/view\/journals\/javma\/236\/10\/javma.236.10.1091.xml","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/avmajournals.avma.org\/downloadpdf\/journals\/javma\/236\/10\/javma.236.10.1091.xml","content-type":"text\/html","content-version":"vor","intended-application":"syndication"},{"URL":"https:\/\/avmajournals.avma.org\/downloadpdf\/journals\/javma\/236\/10\/javma.236.10.1091.xml","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,3,7]],"date-time":"2025-03-07T13:21:07Z","timestamp":1741353667000},"score":1,"resource":{"primary":{"URL":"https:\/\/avmajournals.avma.org\/view\/journals\/javma\/236\/10\/javma.236.10.1091.xml"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2010,5,15]]},"references-count":25,"journal-issue":{"issue":"10"},"URL":"https:\/\/doi.org\/10.2460\/javma.236.10.1091","relation":{},"ISSN":["0003-1488"],"issn-type":[{"value":"0003-1488","type":"print"}],"subject":[],"published":{"date-parts":[[2010,5,15]]}}}