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All ewes received 37.5\u00a0\u03bcg of d\u2010cloprostenol via latero\u2010vulvar route, and 1\u00a0mg of oestradiol benzoate i.m. 16\u00a0hr before and 50\u00a0IU of OT 20\u00a0min before non\u2010surgical embryo recovery (NSER), with OT being administered intravenously (<jats:italic>n<\/jats:italic>\u00a0=\u00a021) or intravaginally (<jats:italic>n<\/jats:italic>\u00a0=\u00a021). An overall oestrous response was 95.6% (44\/46), and adequate cervical retraction could be accomplished in 78.6% (33\/42) of ewes. The percentage of successful NSER procedures was 57% (24\/42) or 72.7% (24\/33) of animals with sufficient cervical retraction. The duration of NSER procedure averaged 28\u00a0min (range: 17\u201340\u00a0min) and ~96% of flushing fluid could be recovered (range: 85%\u2013100%). Out of 18 ewes that could not undergo NSER, 12 (66.6%) presented various anatomical barriers, whilst the other 33.4% did not present these barriers and still could not be traversed. Excluding the ewes with those anatomical features, the overall success rate of NSER was 80% (24\/30). The route of OT administration had no effect on NSER efficiency or the ease with which transcervical embryo flushing was performed. Both routes of OT administration can be used for cervical dilation protocol. Discarding ewes with anatomical features precluding cervical penetration is highly recommended to increase the efficacy of NSER in sheep.<\/jats:p>","DOI":"10.1111\/rda.13499","type":"journal-article","created":{"date-parts":[[2019,6,27]],"date-time":"2019-06-27T08:21:04Z","timestamp":1561623664000},"page":"1230-1235","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":18,"title":["Comparison of the intravenous and intravaginal route of oxytocin administration for cervical dilation protocol and non\u2010surgical embryo recovery in oestrous\u2010induced Santa In\u00eas ewes"],"prefix":"10.1111","volume":"54","author":[{"given":"Lucia","family":"Prellwitz","sequence":"first","affiliation":[{"name":"Faculdade de Veterin\u00e1ria Universidade Federal Fluminense Niter\u00f3i\u2010RJ Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Fabiana Nunes","family":"Zambrini","sequence":"additional","affiliation":[{"name":"Universidade Federal de Vi\u00e7osa Vi\u00e7osa\u2010MG Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jos\u00e9 Domingos","family":"Guimar\u00e3es","sequence":"additional","affiliation":[{"name":"Universidade Federal de Vi\u00e7osa Vi\u00e7osa\u2010MG Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Marco Antonio Paula","family":"de Sousa","sequence":"additional","affiliation":[{"name":"Universidade Federal do Par\u00e1 Castanhal\u2010PA Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7730-290X","authenticated-orcid":false,"given":"Maria Em\u00edlia Franco","family":"Oliveira","sequence":"additional","affiliation":[{"name":"Faculdade de Ci\u00eancias Agr\u00e1rias e Veterin\u00e1rias Universidade Estadual Paulista Jaboticabal\u2010SP Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3354-1474","authenticated-orcid":false,"given":"Alexandre Rosetto","family":"Garcia","sequence":"additional","affiliation":[{"name":"Embrapa Pecu\u00e1ria Sudeste S\u00e3o Carlos\u2010SP Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"S\u00e9rgio Novita","family":"Esteves","sequence":"additional","affiliation":[{"name":"Embrapa Pecu\u00e1ria Sudeste S\u00e3o Carlos\u2010SP Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Pawel Mieczyslaw","family":"Bartlewski","sequence":"additional","affiliation":[{"name":"Department of Biomedical Sciences Ontario Veterinary College, University of Guelph Guelph\u2010ON Ontario Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4872-1718","authenticated-orcid":false,"given":"Joanna Maria Gon\u00e7alves","family":"Souza\u2010Fabjan","sequence":"additional","affiliation":[{"name":"Faculdade de Veterin\u00e1ria Universidade Federal Fluminense Niter\u00f3i\u2010RJ Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8028-3984","authenticated-orcid":false,"given":"Jeferson Ferreira","family":"Fonseca","sequence":"additional","affiliation":[{"name":"Embrapa Caprinos e Ovinos Sobral\u2010CE Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2019,7,25]]},"reference":[{"key":"e_1_2_10_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.anireprosci.2003.07.004"},{"key":"e_1_2_10_3_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.theriogenology.2015.08.007"},{"key":"e_1_2_10_4_1","doi-asserted-by":"publisher","DOI":"10.2174\/1874255601103010162"},{"key":"e_1_2_10_5_1","doi-asserted-by":"publisher","DOI":"10.1186\/1477-7827-12-8"},{"key":"e_1_2_10_6_1","volume-title":"R: A language and environment for statistical computing","author":"R Core Team","year":"2019"},{"key":"e_1_2_10_7_1","doi-asserted-by":"publisher","DOI":"10.1111\/rda.13318"},{"key":"e_1_2_10_8_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.theriogenology.2014.12.003"},{"key":"e_1_2_10_9_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.theriogenology.2012.02.017"},{"key":"e_1_2_10_10_1","doi-asserted-by":"publisher","DOI":"10.1071\/RD18324"},{"key":"e_1_2_10_11_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.theriogenology.2016.04.025"},{"key":"e_1_2_10_12_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.anireprosci.2019.02.004"},{"key":"e_1_2_10_13_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0090-6980(02)00017-5"},{"key":"e_1_2_10_14_1","doi-asserted-by":"publisher","DOI":"10.1095\/biolreprod54.3.700"},{"key":"e_1_2_10_15_1","doi-asserted-by":"publisher","DOI":"10.1590\/S0102-09352009000200005"},{"key":"e_1_2_10_16_1","first-page":"1","article-title":"Colheita Transcervical de Embri\u00f5es Ovinos da Ra\u00e7a Santa In\u00eas no Semi\u2010\u00e1rido Nordestino","volume":"8","author":"Gusm\u00e3o A. 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