{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,10]],"date-time":"2026-10-10T16:17:27Z","timestamp":1791649047679,"version":"4.3.4"},"reference-count":32,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2007,5,25]],"date-time":"2007-05-25T00:00:00Z","timestamp":1180051200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Reprod Domestic Animals"],"published-print":{"date-parts":[[2007,12]]},"abstract":"<jats:title>Contents<\/jats:title><jats:p>Recent studies demonstrated that the Short\u2010term Protocol of 5\u2003days of progestogen treatment plus one dose of prostaglandin F<jats:sub>2<jats:italic>\u03b1<\/jats:italic><\/jats:sub> and equine chorionic gonadotrophin (eCG) resulted in a close synchronized ovulation (60\u2003h after the end of treatment approximately). In addition, oestradiol benzoate (ODB) is effective in synchronizing ovulation in goats and could be an alternative to eCG. This study was performed to determine the pregnancy rate using the Short\u2010term Protocol comparing: (i) two different moments of timed artificial insemination (TAI) after eCG treatment (trial 1) and (ii) ODB as an alternative to eCG treatment (trial 2). In trial 1, 250\u2003IU of eCG was given at the end of progestogen exposure, and cervical TAI with fresh semen was performed 48\u2003h (n\u2003=\u2003156) or 54\u2003h (n\u2003=\u2003168) later. In trial 2, 250\u2003IU of eCG was given at sponge withdrawal (eCG group, n\u2003=\u2003154) or 200\u2003<jats:italic>\u03bc<\/jats:italic>g of ODB was given 24\u2003h later (ODB group, n\u2003=\u2003119). TAI was performed 54\u2003h after the end of progestogen treatment. Pregnancy rate was determined by transrectal ultrasonography. In trial 1, the pregnancy rate for goats with TAI performed at 54\u2003h (107\/168, 63.7%) was higher than for those with TAI performed 48\u2003h (77\/156, 49.4%; p\u2003&lt;\u20030.05) after sponge withdrawal. In trial 2, pregnancy rate was higher in eCG (94\/154, 61.0%) than in ODB (49\/119, 40.3%; p\u2003&lt;\u20030.05) treated goats. In conclusion, the highest pregnancy rate was achieved using Short\u2010term Protocol associated with eCG and TAI performed 54\u2003h after treatment.<\/jats:p>","DOI":"10.1111\/j.1439-0531.2006.00827.x","type":"journal-article","created":{"date-parts":[[2007,5,25]],"date-time":"2007-05-25T11:25:57Z","timestamp":1180092357000},"page":"590-593","source":"Crossref","is-referenced-by-count":28,"title":["Pregnancy Rate Obtained with Short\u2010term Protocol for Timed Artificial Insemination in Goats"],"prefix":"10.1111","volume":"42","author":[{"given":"A","family":"Menchaca","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"E","family":"Rubianes","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2007,10,29]]},"reference":[{"key":"e_1_2_6_2_1","doi-asserted-by":"publisher","DOI":"10.1530\/jrf.0.0960627"},{"key":"e_1_2_6_3_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1439-0531.1992.tb00721.x"},{"key":"e_1_2_6_4_1","doi-asserted-by":"publisher","DOI":"10.1016\/0093-691X(96)00123-9"},{"key":"e_1_2_6_5_1","unstructured":"BaruselliPS B\u00f3GA ReisEL MarquesMO S\u00e1FilhoMF 2005:Introdu\u00e7\u00e3o da IATF no manejo reproductivo de rebanhos bovinos de corte no Brasil (Timed artificial insemination programs applied in beef cattle in Brazil). Proceeding of VI Simposio Internacional de Reproducci\u00f3n Animal C\u00f3rdoba Argentina pp.151\u2013176."},{"key":"e_1_2_6_6_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0378-4320(03)00097-6"},{"key":"e_1_2_6_7_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0378-4320(01)00101-4"},{"key":"e_1_2_6_8_1","unstructured":"CorteelJM MauleonP ThimonierJ OrtavantR 1968:Recherches exp\u00e9rimentales de gestations syncrones avant le d\u00e9but de la saison sexuelle de la ch\u00e8vre apr\u00e8s administration vaginale d'ac\u00e9tate de fluorogestone et injection intramusculaire de PMSG. 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