{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,29]],"date-time":"2026-10-29T08:10:32Z","timestamp":1793261432520,"version":"4.5.0"},"reference-count":25,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2018,11,13]],"date-time":"2018-11-13T00:00:00Z","timestamp":1542067200000},"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":[[2019,2]]},"abstract":"<jats:title>Contents<\/jats:title><jats:p>The objective was to compare pregnancy per artificial insemination (P\/AI) with conventional (CS) or sex\u2010sorted semen (SS) in dairy cows subjected to one of the three timed AI protocols. Cows (<jats:italic>n<\/jats:italic>\u00a0=\u00a0356) were randomly assigned to synchronization with Ovsynch (OVS), Presynch\u2013Ovsynch (PO) or Double\u2010Ovsynch (DO) and inseminated on Day 77\u00a0\u00b1\u00a03 postpartum with either frozen\u2010thawed SS (<jats:italic>n<\/jats:italic>\u00a0=\u00a0182) or CS (<jats:italic>n<\/jats:italic>\u00a0=\u00a0184) of the same bull. More cows were cyclic at the beginning of breeding Ovsynch increased (<jats:italic>p<\/jats:italic>\u00a0&lt;\u00a00.01) with presynchronization and it was greater for DO than PO (OVS\u00a0=\u00a078.5%, PO\u00a0=\u00a085.1%, DO\u00a0=\u00a095.6%). Overall, P\/AI for SS and CS increased with presynchronization (<jats:italic>p\u00a0&lt;\u00a0<\/jats:italic>0.05) on Days 31 (OVS\u00a0=\u00a035.5%, PO\u00a0=\u00a047.1%, DO\u00a0=\u00a048.3%) and 62 (OVS\u00a0=\u00a030.1%, PO\u00a0=\u00a043.8%, DO\u00a0=\u00a043.9%). Regardless of synchronization treatments, insemination with SS reduced P\/AI (<jats:italic>p\u00a0&lt;\u00a0<\/jats:italic>0.02) on Days 31 (38.1% vs. 50.6%) and 62 (34.5% vs. 45.6%) compared with CS. No interaction was observed between synchronization treatment and type of semen for P\/AI, although in cows receiving CS, P\/AI was numerically greatest for PO (OVS\u00a0=\u00a042.0%, PO\u00a0=\u00a059.3%, DO\u00a0=\u00a049.0%), and in cows receiving SS, it was numerically greatest for those inseminated following DO (OVS\u00a0=\u00a027.9%, PO\u00a0=\u00a035.5%, DO\u00a0=\u00a047.6%). Thus, presynchronization improved P\/AI in cows inseminated with sex\u2010sorted or conventional semen.<\/jats:p>","DOI":"10.1111\/rda.13363","type":"journal-article","created":{"date-parts":[[2018,10,16]],"date-time":"2018-10-16T13:50:42Z","timestamp":1539697842000},"page":"309-316","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":20,"title":["Fertility of lactating dairy cows inseminated with sex\u2010sorted or conventional semen after Ovsynch, Presynch\u2013Ovsynch and Double\u2010Ovsynch protocols"],"prefix":"10.1111","volume":"54","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-4837-1858","authenticated-orcid":false,"given":"Ebru","family":"Karakaya\u2010Bilen","sequence":"first","affiliation":[{"name":"Department of Obstetrics and Gynecology Faculty of Veterinary Medicine University of Siirt Gures, Siirt Turkey"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2817-3221","authenticated-orcid":false,"given":"Gulnaz","family":"Yilmazbas\u2010Mecitoglu","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynecology Faculty of Veterinary Medicine University of Uludag Gorukle, Bursa Turkey"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7149-0009","authenticated-orcid":false,"given":"Abdulkadir","family":"Keskin","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynecology Faculty of Veterinary Medicine University of Uludag Gorukle, Bursa Turkey"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6414-6752","authenticated-orcid":false,"given":"Bar\u0131s","family":"Guner","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynecology Faculty of Veterinary Medicine University of Uludag Gorukle, Bursa Turkey"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2727-387X","authenticated-orcid":false,"given":"Enes","family":"Serim","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynecology Faculty of Veterinary Medicine University of Uludag Gorukle, Bursa Turkey"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3403-1465","authenticated-orcid":false,"given":"Jos\u00e9 E. 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