{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,6]],"date-time":"2026-04-06T12:29:03Z","timestamp":1775478543185,"version":"3.50.1"},"reference-count":19,"publisher":"Wiley","issue":"11","license":[{"start":{"date-parts":[[2020,8,29]],"date-time":"2020-08-29T00:00:00Z","timestamp":1598659200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Reprod Domestic Animals"],"published-print":{"date-parts":[[2020,11]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>In this study, the utility of a commercial intravaginal thermometer was evaluated as an automated method for the prediction of calving in a total of 257 healthy pregnant Holstein\u2013Friesian female cattle. The accuracy and the sensitivity of predicting calving within 48\u00a0hr before calving were also evaluated. The intravaginal temperature changes from 72\u00a0hr before and up to calving were significantly (<jats:italic>p<\/jats:italic>\u00a0\u2264\u00a0.001) affected by parity, season (summer vs. autumn), the time of day (8\u00a0a.m. or 8\u00a0p.m.) and the 6\u2010hr time intervals (38.19\u00b0C: first interval 0 to 6\u00a0hr before calving vs. 38.78\u00b0C: twelfth interval 66 to 72\u00a0hr before calving), while the gender (<jats:italic>p<\/jats:italic>\u00a0=\u00a0.943), and the weight of the calf (<jats:italic>p<\/jats:italic>\u00a0=\u00a0.610), twinning (<jats:italic>p<\/jats:italic>\u00a0=\u00a0.300), gestation length (<jats:italic>p<\/jats:italic>\u00a0=\u00a0.186), foetal presentation (<jats:italic>p<\/jats:italic>\u00a0=\u00a0.123), dystocia (<jats:italic>p<\/jats:italic>\u00a0=\u00a0.197) and retention of foetal membranes (<jats:italic>p<\/jats:italic>\u00a0=\u00a0.253) did not affect it significantly. The sensitivity of the SMS of expecting calving within 48\u00a0hr and the positive predictive value were 62.4% and 75%, respectively, while the sensitivity and the positive predictive value for the SMS of expulsion reached 100%. It can be concluded that the investigated thermometer is not able to predict calving within 48\u00a0hr accurately; however, imminent calving can be accurately alerted.<\/jats:p>","DOI":"10.1111\/rda.13803","type":"journal-article","created":{"date-parts":[[2020,8,12]],"date-time":"2020-08-12T03:36:22Z","timestamp":1597203382000},"page":"1535-1540","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":9,"title":["Evaluation of a commercial intravaginal thermometer to predict calving in a Hungarian Holstein\u2010Friesian dairy farm"],"prefix":"10.1111","volume":"55","author":[{"given":"Ali Ismael","family":"Choukeir","sequence":"first","affiliation":[{"name":"Department and Clinic for Production Animals University of Veterinary Medicine  \u00dcll\u0151 Hungary"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9149-404X","authenticated-orcid":false,"given":"Levente","family":"Kov\u00e1cs","sequence":"additional","affiliation":[{"name":"National Agricultural Research and Innovation Center Research Institute for Animal Breeding, Nutrition and Meat Science  Herceghalom Hungary"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Luca Fruzsina","family":"K\u00e9z\u00e9r","sequence":"additional","affiliation":[{"name":"MTA\u2010SZIE Large Animal Clinical Research Group  \u00dcll\u0151 Hungary"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"D\u00e1vid","family":"Buj\u00e1k","sequence":"additional","affiliation":[{"name":"Department and Clinic for Production Animals University of Veterinary Medicine  \u00dcll\u0151 Hungary"},{"name":"MTA\u2010SZIE Large Animal Clinical Research Group  \u00dcll\u0151 Hungary"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3763-857X","authenticated-orcid":false,"given":"Zolt\u00e1n","family":"Szel\u00e9nyi","sequence":"additional","affiliation":[{"name":"Department and Clinic for Production Animals University of Veterinary Medicine  \u00dcll\u0151 Hungary"},{"name":"MTA\u2010SZIE Large Animal Clinical Research Group  \u00dcll\u0151 Hungary"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mohamed Kamel","family":"Abdelmegeid","sequence":"additional","affiliation":[{"name":"Department and Clinic for Production Animals University of Veterinary Medicine  \u00dcll\u0151 Hungary"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Andr\u00e1s","family":"G\u00e1sp\u00e1rdy","sequence":"additional","affiliation":[{"name":"Department of Animal Breeding and Nutrition University of Veterinary Medicine  Budapest Hungary"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3248-173X","authenticated-orcid":false,"given":"Ott\u00f3","family":"Szenci","sequence":"additional","affiliation":[{"name":"Department and Clinic for Production Animals University of Veterinary Medicine  \u00dcll\u0151 Hungary"},{"name":"MTA\u2010SZIE Large Animal Clinical Research Group  \u00dcll\u0151 Hungary"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2020,8,29]]},"reference":[{"key":"e_1_2_9_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.anireprosci.2004.04.046"},{"key":"e_1_2_9_3_1","doi-asserted-by":"publisher","DOI":"10.3168\/jds.2011-4484"},{"key":"e_1_2_9_4_1","first-page":"408","volume-title":"Surveillance automatise des velages chez la vache laitiere","author":"Chanvallon A.","year":"2012"},{"key":"e_1_2_9_5_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.theriogenology.2019.10.004"},{"key":"e_1_2_9_6_1","first-page":"367","article-title":"Predicting the time of parturition in the normal cow: A study of the precalving drop in body temperature in relation to the external signs of imminent calving","volume":"75","author":"Ewbank R.","year":"1963","journal-title":"The Veterinary Record"},{"key":"e_1_2_9_7_1","doi-asserted-by":"publisher","DOI":"10.3168\/jds.S0022-0302(53)91595-1"},{"key":"e_1_2_9_8_1","doi-asserted-by":"publisher","DOI":"10.3168\/jds.S0022-0302(94)77095-8"},{"key":"e_1_2_9_9_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.physbeh.2016.08.001"},{"key":"e_1_2_9_10_1","doi-asserted-by":"publisher","DOI":"10.3168\/jds.2016-11325"},{"key":"e_1_2_9_11_1","doi-asserted-by":"publisher","DOI":"10.2527\/1997.7592526x"},{"key":"e_1_2_9_12_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.tvjl.2013.05.004"},{"key":"e_1_2_9_13_1","doi-asserted-by":"publisher","DOI":"10.1262\/jrd.2019-087"},{"key":"e_1_2_9_14_1","doi-asserted-by":"publisher","DOI":"10.3168\/jds.2015-10057"},{"key":"e_1_2_9_15_1","doi-asserted-by":"publisher","DOI":"10.1186\/1746-6148-9-191"},{"key":"e_1_2_9_16_1","first-page":"381","article-title":"Vaginal temperature of dairy cows before and after calving","volume":"131","author":"Porterfield I. 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