{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,15]],"date-time":"2026-07-15T03:23:15Z","timestamp":1784085795754,"version":"3.55.0"},"reference-count":41,"publisher":"Wiley","issue":"9","license":[{"start":{"date-parts":[[2024,8,28]],"date-time":"2024-08-28T00:00:00Z","timestamp":1724803200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Reprod Domestic Animals"],"published-print":{"date-parts":[[2024,9]]},"abstract":"<jats:title>ABSTRACT<\/jats:title><jats:p>Variations in temperature throughout the reproductive tract have been noted in many species. A recent study found the cervix\u2013rectum temperature differential (CR\u2010TD) in cattle was related to fertility. The present study aimed to assess the CR\u2010TD in mares around the time of ovulation and relate it to embryo recover. Over 52 cycles, mares were inseminated with a fertile stallion and embryo recovery was undertaken on Day 7 post ovulation. Further 10 control mares were not inseminated. Rectal and cervical temperatures were measured using a precision thermometer on four or five occasions: the day of deslorelin administration and insemination, the day before ovulation, the day of ovulation (Day 0), the day after ovulation and, for inseminated mares, before embryo recovery on Day 7. One\u2010way ANOVA showed that the CR\u2010TD was significantly lower on the day of ovulation in the 36 positive cycles, in which an embryo was recovered, versus the 16 in which the embryo flush was negative (0.21\u2009\u00b1\u20090.17 vs. 0.40\u2009\u00b1\u20090.09\u00b0C; <jats:italic>p<\/jats:italic>\u2009&lt;\u20090.001). Control cycles showed equivalent CR\u2010TD to positive (0.13\u2009\u00b1\u20090.22 vs. 0.21\u2009\u00b1\u20090.17\u00b0C; <jats:italic>p<\/jats:italic>\u2009=\u20090.196) but not negative cycles (0.13\u2009\u00b1\u20090.22 vs. 0.40\u2009\u00b1\u20090.09\u00b0C; <jats:italic>p<\/jats:italic>\u2009&lt;\u20090.001). A positive embryo recovery was associated with lower CR\u2010TDs from the time of insemination and deslorelin to the day after ovulation compared to the day of embryo flushing (RM ANOVA; <jats:italic>p<\/jats:italic>\u2009&lt;\u20090.001; Pairwise comparisons; <jats:italic>p<\/jats:italic>\u2009\u2264\u20090.01, in all cases). Rectal or cervical temperatures per se showed no significant differences between positive, negative or control cycles at any time point. In conclusion, a thermoregulatory process occurs close to ovulation which results in a lower CR\u2010TD in cycles that produced an embryo versus those which did not. Further characterisation of TDs within the reproductive tract of the mare would increase our understanding of the conditions required for optimum fertility.<\/jats:p>","DOI":"10.1111\/rda.14716","type":"journal-article","created":{"date-parts":[[2024,8,29]],"date-time":"2024-08-29T06:19:18Z","timestamp":1724912358000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Cervix\u2013Deep Rectal Temperature Differential on the Day of\u00a0Ovulation is Correlated With Embryo Recovery Results in Mares"],"prefix":"10.1111","volume":"59","author":[{"given":"Javier","family":"Funes","sequence":"first","affiliation":[{"name":"Sharjah Equine Hospital  Sharjah UAE"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ann","family":"Ismer","sequence":"additional","affiliation":[{"name":"Sharjah Equine Hospital  Sharjah UAE"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Maarten","family":"Hoogewijs","sequence":"additional","affiliation":[{"name":"Sharjah Equine Hospital  Sharjah UAE"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2903-9219","authenticated-orcid":false,"given":"Sandra","family":"Wilsher","sequence":"additional","affiliation":[{"name":"Sharjah Equine Hospital  Sharjah UAE"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2024,8,28]]},"reference":[{"key":"e_1_2_10_2_1","doi-asserted-by":"publisher","DOI":"10.1136\/vr.128.25.593"},{"key":"e_1_2_10_3_1","doi-asserted-by":"publisher","DOI":"10.1016\/0093-691X(89)90484-6"},{"key":"e_1_2_10_4_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jevs.2023.104927"},{"key":"e_1_2_10_5_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.anireprosci.2011.02.005"},{"key":"e_1_2_10_6_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.theriogenology.2018.07.015"},{"key":"e_1_2_10_7_1","doi-asserted-by":"publisher","DOI":"10.1002\/mrd.23123"},{"key":"e_1_2_10_8_1","doi-asserted-by":"publisher","DOI":"10.15232\/S1080-7446(15)30972-4"},{"key":"e_1_2_10_9_1","doi-asserted-by":"publisher","DOI":"10.1016\/B978-0-323-06482-8.00014-4"},{"key":"e_1_2_10_10_1","doi-asserted-by":"publisher","DOI":"10.1111\/rda.13013"},{"key":"e_1_2_10_11_1","doi-asserted-by":"publisher","DOI":"10.1186\/1746-6148-8-41"},{"key":"e_1_2_10_12_1","first-page":"37","article-title":"Bovine Reproductive Physiology and Endocrinology in Reproduction of Farm Animals","volume":"1","author":"Abreu A. 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