{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2023,10,4]],"date-time":"2023-10-04T10:41:37Z","timestamp":1696416097583},"reference-count":25,"publisher":"Wiley","issue":"9","license":[{"start":{"date-parts":[[2017,8,27]],"date-time":"2017-08-27T00:00:00Z","timestamp":1503792000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"name":"Dairy NSW"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Aust Veterinary J"],"published-print":{"date-parts":[[2017,9]]},"abstract":"<jats:sec><jats:title>Objective<\/jats:title><jats:p>To determine if insemination site or pre\u2010ovulatory follicle diameter at fixed\u2010time artificial insemination (FTAI) affects the odds of pregnancy when heifers are inseminated with sexed semen.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>The study was conducted in 422 Holstein heifers enrolled into 531 inseminations. Inseminations were randomly allocated to 1 of 16 treatment combinations involving three variables: semen type (sexed vs non\u2010sexed), insemination site (uterine horn vs uterine body) and one of four sires. Ovaries were examined by transrectal ultrasound prior to FTAI to determine the follicle diameter and location. AI technician, times bred, age, weight and temperature\u2013humidity index were also recorded. Pregnancy diagnosis was conducted 29\u2009days post\u2010insemination. Follicle diameter and body weight were categorised according to arbitrary cut\u2010points. Each variable was analysed by logistic regression to determine the effect on pregnancy per AI and compare between sexed and non\u2010sexed inseminations.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Insemination site did not affect pregnancy per AI for either sexed (P\u2009=\u20090.528) or non\u2010sexed (P\u2009=\u20090.886) inseminations. Heifers with an 18\u201322\u2009mm follicle had better odds of pregnancy than heifers that did not (odds ratio (OR) 1.45, 95% confidence interval (CI) 1.004\u20132.09), although no effect was detected for only sexed or only non\u2010sexed inseminations. Heifers weighing 310\u2013370\u2009kg had a higher pregnancy per AI than heifers weighing &gt;\u2009370\u2009kg for non\u2010sexed inseminations (P\u2009=\u20090.004) and sexed semen from sire 4 caused lower odds of pregnancy than semen from sire 1 (OR 0.40, 95% CI 0.18\u20130.89).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Insemination site did not affect pregnancy per AI, but heifers with an 18\u201322\u2009mm pre\u2010ovulatory follicle at insemination had better odds of pregnancy for both sexed and non\u2010sexed inseminations.<\/jats:p><\/jats:sec>","DOI":"10.1111\/avj.12621","type":"journal-article","created":{"date-parts":[[2017,8,31]],"date-time":"2017-08-31T09:18:22Z","timestamp":1504171102000},"page":"317-324","update-policy":"http:\/\/dx.doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Effect of insemination site and diameter of the pre\u2010ovulatory follicle on the odds of pregnancy in heifers using sexed or non\u2010sexed semen"],"prefix":"10.1111","volume":"95","author":[{"given":"L","family":"Ingenhoff","sequence":"first","affiliation":[{"name":"Livestock Veterinary Teaching and Research Unit, Faculty of Veterinary Science, School of Life and Environmental Sciences The University of Sydney  Camden New South Wales Australia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"E","family":"Hall","sequence":"additional","affiliation":[{"name":"Faculty of Veterinary Science, School of Life and Environmental Sciences The University of Sydney  Camden NSW Australia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"S","family":"Ranjbar NI","sequence":"additional","affiliation":[{"name":"Livestock Veterinary Teaching and Research Unit, Faculty of Veterinary Science, School of Life and Environmental Sciences The University of Sydney  Camden New South Wales Australia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"JK","family":"House","sequence":"additional","affiliation":[{"name":"Livestock Veterinary Teaching and Research Unit, Faculty of Veterinary Science, School of Life and Environmental Sciences The University of Sydney  Camden New South Wales Australia"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2017,8,27]]},"reference":[{"key":"e_1_2_8_2_1","doi-asserted-by":"publisher","DOI":"10.3168\/jds.2009-2781"},{"key":"e_1_2_8_3_1","doi-asserted-by":"publisher","DOI":"10.3168\/jds.2012-6126"},{"key":"e_1_2_8_4_1","doi-asserted-by":"publisher","DOI":"10.3168\/jds.2012-5465"},{"key":"e_1_2_8_5_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.cvfa.2013.07.007"},{"key":"e_1_2_8_6_1","first-page":"1116","article-title":"Sexing semen and its role in improving dairy production system: a review","volume":"32","author":"Upadhyay A","year":"2014","journal-title":"Environ Ecol"},{"key":"e_1_2_8_7_1","doi-asserted-by":"publisher","DOI":"10.3168\/jds.2012-6476"},{"key":"e_1_2_8_8_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.anireprosci.2010.05.012"},{"key":"e_1_2_8_9_1","doi-asserted-by":"publisher","DOI":"10.1017\/S1751731112000651"},{"key":"e_1_2_8_10_1","doi-asserted-by":"publisher","DOI":"10.1371\/journal.pone.0086169"},{"key":"e_1_2_8_11_1","doi-asserted-by":"publisher","DOI":"10.3168\/jds.2013-7091"},{"key":"e_1_2_8_12_1","doi-asserted-by":"publisher","DOI":"10.3168\/jds.2006-460"},{"key":"e_1_2_8_13_1","doi-asserted-by":"publisher","DOI":"10.3168\/jds.2013-6672"},{"key":"e_1_2_8_14_1","first-page":"801","article-title":"Economic and genetic aspects of using sexed semen in traditional and genomic evaluation of Iranian Holstein dairy cattle: a simulation study","volume":"16","author":"Boustan A","year":"2014","journal-title":"J Agr Sci Technol"},{"key":"e_1_2_8_15_1","doi-asserted-by":"publisher","DOI":"10.3168\/jds.2007-0964"},{"key":"e_1_2_8_16_1","doi-asserted-by":"publisher","DOI":"10.1017\/S1751731114000664"},{"key":"e_1_2_8_17_1","first-page":"41","article-title":"Effect of the site of insemination on bovine fertility","volume":"13","author":"Ataman MB","year":"1997","journal-title":"Vet Bilimieri Dergisi"},{"key":"e_1_2_8_18_1","doi-asserted-by":"publisher","DOI":"10.2527\/jas.2013-7131"},{"key":"e_1_2_8_19_1","unstructured":"DairyNZ. 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