{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,30]],"date-time":"2026-04-30T16:09:47Z","timestamp":1777565387326,"version":"3.51.4"},"reference-count":18,"publisher":"Wiley","issue":"8","license":[{"start":{"date-parts":[[2019,6,17]],"date-time":"2019-06-17T00:00:00Z","timestamp":1560729600000},"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":[[2019,8]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>We aimed to evaluate the reproductive performance of Nelore lactating cows submitted to a resynchronization 12\u00a0days after timed artificial insemination (TAI) with or without a long\u2010acting progesterone (P4\u2010LA) treatment. Nelore cows were submitted to a P4\/oestradiol\u2010based TAI protocol (D0\u00a0=\u00a0insemination). On D12, cows in the control group (<jats:italic>n<\/jats:italic>\u00a0=\u00a0184) received a new P4 intravaginal device (0.96\u00a0g), whereas cows in the P4\u2010LA group (<jats:italic>n<\/jats:italic>\u00a0=\u00a0192) received the P4 device and 75\u00a0mg P4\u2010LA. Cows identified as non\u2010pregnant (<jats:italic>n<\/jats:italic>\u00a0=\u00a0120) by regression of corpus luteum using colour Doppler ultrasonography on D20 had the P4 device removed and received 500ug of sodium cloprostenol, 1\u00a0mg of oestradiol cypionate and 300\u00a0IU of eCG and were re\u2010inseminated on D22. There was no difference (<jats:italic>p<\/jats:italic>\u00a0&gt;\u00a00.10) in the pregnancy rate at D20, D30 and D60 after first TAI between the control (69%, 59.7% and 57%, respectively) and P4\u2010LA (67%, 55.7%, and 55.2%, respectively) groups. Pregnancy losses were similar between both groups (<jats:italic>p<\/jats:italic>\u00a0&gt;\u00a00.1). For cows submitted to the second TAI, the pre\u2010ovulatory follicle size did not differ (<jats:italic>p<\/jats:italic>\u00a0&gt;\u00a00.1), but the oestrous detection and pregnancy rates were greater (<jats:italic>p<\/jats:italic>\u00a0&lt;\u00a00.05) in the P4\u2010LA group (92.2% [59\/64] and 60.9% [39\/64], respectively) than in controls (75% [42\/56] and 44.6% [25\/56]). The cumulative pregnancy rate after two TAIs did not differ (<jats:italic>p<\/jats:italic>\u00a0&gt;\u00a00.1) between control (73.3% [135\/184]) and P4\u2010LA (76% [146\/192]) groups. The use of P4\u2010LA at 12\u00a0days after TAI potentially increases the pregnancy rates for a new early resynchronization strategy associated with the Doppler imaging for pregnancy diagnosis and results in an alternative to perform two TAIs in 22\u00a0days in beef cows.<\/jats:p>","DOI":"10.1111\/rda.13475","type":"journal-article","created":{"date-parts":[[2019,5,28]],"date-time":"2019-05-28T08:19:59Z","timestamp":1559031599000},"page":"1149-1154","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":32,"title":["A novel strategy for resynchronization of ovulation in Nelore cows using injectable progesterone (P4) and P4 releasing devices to perform two timed inseminations within 22 days"],"prefix":"10.1111","volume":"54","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-5739-0677","authenticated-orcid":false,"given":"Guilherme","family":"Pugliesi","sequence":"first","affiliation":[{"name":"Department of Animal Reproduction, School of Veterinary Medicine and Animal Science University of S\u00e3o Paulo Pirassununga Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Danilo Zago","family":"Bisinotto","sequence":"additional","affiliation":[{"name":"Department of Veterinary, School of Animal and Food Sciences University of S\u00e3o Paulo Pirassununga Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Barbara Piffero","family":"Mello","sequence":"additional","affiliation":[{"name":"Department of Veterinary, School of Animal and Food Sciences University of S\u00e3o Paulo Pirassununga Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"F\u00e1bio C.","family":"Lahr","sequence":"additional","affiliation":[{"name":"Department of Veterinary, School of Animal and Food Sciences University of S\u00e3o Paulo Pirassununga Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Catia A.","family":"Ferreira","sequence":"additional","affiliation":[{"name":"Department of Animal Reproduction, School of Veterinary Medicine and Animal Science University of S\u00e3o Paulo Pirassununga Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Gabriela Dalmaso","family":"Melo","sequence":"additional","affiliation":[{"name":"Department of Animal Reproduction, School of Veterinary Medicine and Animal Science University of S\u00e3o Paulo Pirassununga Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Michele Ricieri","family":"Bastos","sequence":"additional","affiliation":[{"name":"Ourofino Sa\u00fade Animal Cravinhos Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ed Hoffmann","family":"Madureira","sequence":"additional","affiliation":[{"name":"Department of Animal Reproduction, School of Veterinary Medicine and Animal Science University of S\u00e3o Paulo Pirassununga Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2019,6,17]]},"reference":[{"key":"e_1_2_8_2_1","doi-asserted-by":"publisher","DOI":"10.21451\/1984-3143-AR999"},{"key":"e_1_2_8_3_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.anireprosci.2018.03.026"},{"key":"e_1_2_8_4_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.anireprosci.2019.03.003"},{"key":"e_1_2_8_5_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1751-0813.2003.tb11553.x"},{"key":"e_1_2_8_6_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0093-691X(01)00445-9"},{"key":"e_1_2_8_7_1","doi-asserted-by":"publisher","DOI":"10.1111\/avj.12728"},{"key":"e_1_2_8_8_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0378-4320(98)00064-5"},{"key":"e_1_2_8_9_1","doi-asserted-by":"publisher","DOI":"10.1530\/jrf.0.1120249"},{"key":"e_1_2_8_10_1","doi-asserted-by":"publisher","DOI":"10.4142\/jvs.2015.16.3.367"},{"key":"e_1_2_8_11_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.anireprosci.2010.08.019"},{"key":"e_1_2_8_12_1","doi-asserted-by":"publisher","DOI":"10.1017\/S1751731114000470"},{"key":"e_1_2_8_13_1","first-page":"450","article-title":"Pregnancy rate of Nelore cows submitted to resynchronization starting 14 or 22 days after prior FTAI","volume":"13","author":"Penteado L.","year":"2016","journal-title":"Animal Reproduction"},{"key":"e_1_2_8_14_1","doi-asserted-by":"publisher","DOI":"10.21451\/1984-3143-AR2018-0059"},{"key":"e_1_2_8_15_1","doi-asserted-by":"publisher","DOI":"10.1095\/biolreprod.114.121525"},{"key":"e_1_2_8_16_1","doi-asserted-by":"publisher","DOI":"10.1071\/RDv25n1Ab173"},{"key":"e_1_2_8_17_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.theriogenology.2013.09.027"},{"key":"e_1_2_8_18_1","doi-asserted-by":"publisher","DOI":"10.3168\/jds.2013-6814"},{"key":"e_1_2_8_19_1","first-page":"378","article-title":"Resynchronization in dairy cows 13 days after TAI followed by pregnancy diagnosis based on corpus luteum vascularization by color doppler","volume":"11","author":"Vieira L. 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