{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,1]],"date-time":"2026-05-01T08:26:54Z","timestamp":1777624014110,"version":"3.51.4"},"reference-count":52,"publisher":"Elsevier BV","license":[{"start":{"date-parts":[[2018,1,1]],"date-time":"2018-01-01T00:00:00Z","timestamp":1514764800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"}],"content-domain":{"domain":["elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["Domestic Animal Endocrinology"],"published-print":{"date-parts":[[2018,1]]},"DOI":"10.1016\/j.domaniend.2017.08.003","type":"journal-article","created":{"date-parts":[[2017,8,31]],"date-time":"2017-08-31T18:16:16Z","timestamp":1504203376000},"page":"24-31","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":2,"special_numbering":"C","title":["Equine chorionic gonadotropin administration after insemination affects luteal function and pregnancy establishment in postpartum anestrous beef cows"],"prefix":"10.1016","volume":"62","author":[{"given":"R.","family":"N\u00fa\u00f1ez-Olivera","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"T.","family":"de Castro","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5853-3438","authenticated-orcid":false,"given":"G.A.","family":"B\u00f3","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"J.","family":"Piaggio","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"A.","family":"Menchaca","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"78","reference":[{"key":"10.1016\/j.domaniend.2017.08.003_bib1","doi-asserted-by":"crossref","first-page":"244","DOI":"10.1071\/RD11914","article-title":"Embryo death in cattle: an update","volume":"24","author":"Diskin","year":"2012","journal-title":"Reprod Fertil Dev"},{"key":"10.1016\/j.domaniend.2017.08.003_bib2","doi-asserted-by":"crossref","first-page":"437","DOI":"10.1016\/j.cvfa.2005.02.002","article-title":"Embryonic death in cattle","volume":"21","author":"Inskeep","year":"2005","journal-title":"Vet Clin North Am Food Anim Pract"},{"key":"10.1016\/j.domaniend.2017.08.003_bib3","doi-asserted-by":"crossref","first-page":"260","DOI":"10.1111\/j.1439-0531.2008.01171.x","article-title":"Embryonic and early foetal losses in cattle and other ruminants","volume":"43","author":"Diskin","year":"2008","journal-title":"Reprod Domest Anim"},{"key":"10.1016\/j.domaniend.2017.08.003_bib4","doi-asserted-by":"crossref","first-page":"463","DOI":"10.1530\/jrf.0.0590463","article-title":"Fertilization and embryonic mortality rates in beef heifers after artificial insemination","volume":"59","author":"Diskin","year":"1980","journal-title":"J Reprod Fertil"},{"key":"10.1016\/j.domaniend.2017.08.003_bib5","doi-asserted-by":"crossref","first-page":"1186","DOI":"10.2527\/jas1983.5651186x","article-title":"Fertilization failure and embryonic mortality in parous and Nonparous beef cattle","volume":"56","author":"Maurer","year":"1983","journal-title":"J Anim Sci"},{"key":"10.1016\/j.domaniend.2017.08.003_bib6","doi-asserted-by":"crossref","first-page":"1451","DOI":"10.1016\/S0093-691X(01)00646-X","article-title":"Antiluteolytic strategies to improve fertility in cattle","volume":"56","author":"Binelli","year":"2001","journal-title":"Theriogenology"},{"key":"10.1016\/j.domaniend.2017.08.003_bib7","doi-asserted-by":"crossref","first-page":"83","DOI":"10.1071\/RD15366","article-title":"Pregnancy losses in cattle: potential for improvement","volume":"28","author":"Diskin","year":"2016","journal-title":"Reprod Fertil Dev"},{"key":"10.1016\/j.domaniend.2017.08.003_bib8","first-page":"242","article-title":"Comparison of endocrine and cellular mechanisms regulating the corpus luteum of primates and ruminants","volume":"9","author":"Wiltbank","year":"2012","journal-title":"Anim Reprod"},{"key":"10.1016\/j.domaniend.2017.08.003_bib9","doi-asserted-by":"crossref","first-page":"41","DOI":"10.1530\/rep.0.1210041","article-title":"Trophoblast interferon and pregnancy","volume":"121","author":"Demmers","year":"2001","journal-title":"Reproduction"},{"key":"10.1016\/j.domaniend.2017.08.003_bib10","doi-asserted-by":"crossref","first-page":"65","DOI":"10.1071\/RD06102","article-title":"Pregnancy recognition and conceptus implantation in domestic ruminants: roles of progesterone, interferons and endogenous retroviruses","volume":"19","author":"Spencer","year":"2007","journal-title":"Reprod Fertil Dev"},{"key":"10.1016\/j.domaniend.2017.08.003_bib11","first-page":"1","article-title":"Conceptus signals for establishment and maintenance of pregnancy","volume":"49","author":"Spencer","year":"2004","journal-title":"Reprod Biol Endocrinol"},{"key":"10.1016\/j.domaniend.2017.08.003_bib12","doi-asserted-by":"crossref","first-page":"269","DOI":"10.1111\/j.1439-0531.1999.tb01250.x","article-title":"The influence of progesterone during early pregnancy in cattle","volume":"34","author":"Mann","year":"1999","journal-title":"Reprod Domest Anim"},{"key":"10.1016\/j.domaniend.2017.08.003_bib13","doi-asserted-by":"crossref","first-page":"175","DOI":"10.1530\/rep.0.1210175","article-title":"Relationship between maternal endocrine environment, early embryo development and inhibition of the luteolytic mechanism in cows","volume":"121","author":"Mann","year":"2001","journal-title":"Reproduction"},{"key":"10.1016\/j.domaniend.2017.08.003_bib14","doi-asserted-by":"crossref","first-page":"368","DOI":"10.1071\/RD07204","article-title":"Effect of increasing progesterone concentration from day 3 of pregnancy on subsequent embryo survival and development in beef heifers","volume":"20","author":"Carter","year":"2008","journal-title":"Reprod Fertil Dev"},{"key":"10.1016\/j.domaniend.2017.08.003_bib15","first-page":"231","article-title":"Positive and negative effects of progesterone during timed AI protocols in lactating dairy cattle","volume":"9","author":"Wiltbank","year":"2012","journal-title":"Anim Reprod"},{"key":"10.1016\/j.domaniend.2017.08.003_bib16","doi-asserted-by":"crossref","first-page":"2873","DOI":"10.3168\/jds.2012-5895","article-title":"Effect of treatment with human chorionic gonadotropin on day 5 after timed artificial insemination on fertility of lactating dairy cows","volume":"96","author":"Nascimento","year":"2013","journal-title":"J Dairy Sci"},{"key":"10.1016\/j.domaniend.2017.08.003_bib17","doi-asserted-by":"crossref","first-page":"238","DOI":"10.1071\/RD11913","article-title":"Improving fertility to timed artificial insemination by manipulation of circulating progesterone concentrations in lactating dairy cattle","volume":"24","author":"Wiltbank","year":"2012","journal-title":"Reprod Fertil Dev"},{"key":"10.1016\/j.domaniend.2017.08.003_bib18","doi-asserted-by":"crossref","first-page":"818","DOI":"10.1071\/RD12104","article-title":"Effects of treatment with human chorionic gonadotrophin or intravaginal progesterone-releasing device after AI on circulating progesterone concentrations in lactating dairy cows","volume":"25","author":"Nascimento","year":"2013","journal-title":"Reprod Fertil Dev"},{"key":"10.1016\/j.domaniend.2017.08.003_bib19","doi-asserted-by":"crossref","first-page":"111","DOI":"10.1016\/j.anireprosci.2014.02.017","article-title":"Ovulatory response and luteal function after eCG administration at the end of a progesterone and estradiol' based treatment in postpartum anestrous beef cattle","volume":"146","author":"N\u00fa\u00f1ez-Olivera","year":"2014","journal-title":"Anim Reprod Sci"},{"key":"10.1016\/j.domaniend.2017.08.003_bib20","doi-asserted-by":"crossref","first-page":"2290","DOI":"10.1016\/j.theriogenology.2016.07.023","article-title":"Effects of eCG are more pronounced in primiparous than multiparous Bos indicus cows submitted to a timed artificial insemination protocol","volume":"86","author":"Sales","year":"2016","journal-title":"Theriogenology"},{"key":"10.1016\/j.domaniend.2017.08.003_bib21","first-page":"223","article-title":"Equine chorionic gonadotropin: an enigmatic but essential tool","volume":"9","author":"Murphy","year":"2012","journal-title":"Anim Reprod"},{"key":"10.1016\/j.domaniend.2017.08.003_bib22","doi-asserted-by":"crossref","first-page":"168","DOI":"10.1071\/RDv22n1Ab20","article-title":"Pregnancy rates in suckled beef cows synchronized with progesterone intravaginal devices and receiving eCG fourteen days after breeding","volume":"22","author":"Cutaia","year":"2010","journal-title":"Reprod Fertil Dev"},{"key":"10.1016\/j.domaniend.2017.08.003_bib23","first-page":"45","article-title":"Repetibilidad y reproductibilidad de dos escalas para estimar la condici\u00f3n corporal de vacas hereford","volume":"7","author":"Vizcarra","year":"1986","journal-title":"Investig Agron\u00f3micas"},{"key":"10.1016\/j.domaniend.2017.08.003_bib24","first-page":"229","article-title":"Implementaci\u00f3n de programas de IATF en rodeos de cr\u00eda","volume":"208","author":"Menchaca","year":"2013","journal-title":"Semin Actual T\u00e9cnica Cr\u00eda Vacuna INIA"},{"key":"10.1016\/j.domaniend.2017.08.003_bib25","doi-asserted-by":"crossref","first-page":"1269","DOI":"10.1016\/0093-691X(90)90045-U","article-title":"Relationship between ultrasonic assessment of the corpus luteum and plasma progesterone concentrations in heifers","volume":"33","author":"Kastelic","year":"1990","journal-title":"Theriogenology"},{"key":"10.1016\/j.domaniend.2017.08.003_bib26","doi-asserted-by":"crossref","first-page":"381","DOI":"10.1023\/B:TROP.0000026669.06351.26","article-title":"Decline in assayable progesterone in Bovine serum under different storage conditions","volume":"36","author":"de Castro","year":"2004","journal-title":"Trop Anim Health Prod"},{"key":"10.1016\/j.domaniend.2017.08.003_bib27","doi-asserted-by":"crossref","first-page":"75","DOI":"10.1016\/S0378-4320(98)00147-X","article-title":"Priming effect of exogenous oestradiol on luteinizing hormone secretion in prepubertal lambs","volume":"54","author":"Meikle","year":"1998","journal-title":"Anim Reprod Sci"},{"key":"10.1016\/j.domaniend.2017.08.003_bib28","series-title":"Stata statistical software","author":"StataCorp","year":"2015"},{"key":"10.1016\/j.domaniend.2017.08.003_bib29","series-title":"Uso combinado de IATF y destete precoz en vacas de cr\u00eda en anestro posparto. XXXIII Jornadas Uruguayas Buiatr\u00eda, Ed. Buiatr\u00eda Uruguay - Paysand\u00fa, Uruguay","author":"Menchaca","year":"2005"},{"key":"10.1016\/j.domaniend.2017.08.003_bib30","doi-asserted-by":"crossref","first-page":"72","DOI":"10.1016\/j.theriogenology.2007.09.026","article-title":"Progress in understanding ovarian follicular dynamics in cattle","volume":"69","author":"Adams","year":"2008","journal-title":"Theriogenology"},{"key":"10.1016\/j.domaniend.2017.08.003_bib31","first-page":"1","article-title":"The role of progesterone and conceptus-derived factors in uterine biology during early pregnancy in ruminants","author":"Spencer","year":"2015","journal-title":"J Dairy Sci"},{"key":"10.1016\/j.domaniend.2017.08.003_bib32","doi-asserted-by":"crossref","first-page":"328","DOI":"10.1071\/RD12370","article-title":"Paradoxical effect of supplementary progesterone between day 3 and day 7 on corpus luteum function and conceptus development in cattle","volume":"26","author":"O'Hara","year":"2014","journal-title":"Reprod Fertil Dev"},{"key":"10.1016\/j.domaniend.2017.08.003_bib33","doi-asserted-by":"crossref","first-page":"269","DOI":"10.1071\/RD14019","article-title":"Effect of combined exogenous progesterone with luteotrophic support via equine chorionic gonadotrophin (eCG) on corpus luteum development, circulating progesterone concentrations and embryo development in cattle","volume":"28","author":"O'Hara","year":"2016","journal-title":"Reprod Fertil Dev"},{"key":"10.1016\/j.domaniend.2017.08.003_bib34","first-page":"223","article-title":"Role of diestrus progesterone on endometrial function and conceptus development in cattle","volume":"10","author":"Lonergan","year":"2013","journal-title":"Anim Reprod"},{"key":"10.1016\/j.domaniend.2017.08.003_bib35","doi-asserted-by":"crossref","first-page":"66","DOI":"10.1071\/RD15326","article-title":"Role of progesterone in embryo development in cattle","volume":"28","author":"Lonergan","year":"2016","journal-title":"Reprod Fertil Dev"},{"key":"10.1016\/j.domaniend.2017.08.003_bib36","doi-asserted-by":"crossref","first-page":"202","DOI":"10.1016\/j.smallrumres.2016.02.006","article-title":"Luteal response and follicular dynamics induced with equine chorionic gonadotropin (eCG) administration after insemination in sheep","volume":"136","author":"Garc\u00eda-Pintos","year":"2016","journal-title":"Small Rumin Res"},{"key":"10.1016\/j.domaniend.2017.08.003_bib37","doi-asserted-by":"crossref","DOI":"10.1071\/AN16489","article-title":"Pregnancy establishment and maintenance after the administration of equine chorionic gonadotropin (eCG) associated or not with GnRH after insemination in sheep","author":"Garc\u00eda-Pintos","year":"2017","journal-title":"Anim Prod Sci"},{"key":"10.1016\/j.domaniend.2017.08.003_bib38","doi-asserted-by":"crossref","first-page":"27","DOI":"10.1210\/edrv-12-1-27","article-title":"Equine chorionic gonadotropin","volume":"12","author":"Murphy","year":"1991","journal-title":"Endocr Rev"},{"key":"10.1016\/j.domaniend.2017.08.003_bib39","doi-asserted-by":"crossref","first-page":"393","DOI":"10.1111\/j.1439-0531.2006.00798.x","article-title":"Ultrasonographic characteristics of ovulatory follicles and associated endocrine changes in cyclic ewes treated with medroxyprogesterone acetate (MAP)-releasing intravaginal sponges and equine chorionic gonadotropin (eCG)","volume":"42","author":"Liu","year":"2007","journal-title":"Reprod Domest Anim"},{"key":"10.1016\/j.domaniend.2017.08.003_bib40","doi-asserted-by":"crossref","first-page":"1419","DOI":"10.1095\/biolreprod55.6.1419","article-title":"Follicular 3 beta-hydroxysteroid dehydrogenase and cytochromes P450 17 alpha-hydroxylase and aromatase messenger ribonucleic acids in cattle undergoing superovulation","volume":"55","author":"Soumano","year":"1996","journal-title":"Biol Reprod"},{"key":"10.1016\/j.domaniend.2017.08.003_bib41","doi-asserted-by":"crossref","first-page":"373","DOI":"10.1677\/joe.0.1560373","article-title":"Levels of messenger RNA encoding ovarian receptors for FSH and LH in cattle during superovulation with equine chorionic gonadotrophin versus FSH","volume":"156","author":"Soumano","year":"1998","journal-title":"J Endocrinol"},{"key":"10.1016\/j.domaniend.2017.08.003_bib42","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1152\/physrev.2000.80.1.1","article-title":"Mechanisms controlling the function and life span of the corpus luteum","volume":"80","author":"Niswender","year":"2000","journal-title":"Physiol Rev"},{"key":"10.1016\/j.domaniend.2017.08.003_bib43","doi-asserted-by":"crossref","first-page":"385","DOI":"10.1071\/RD04036","article-title":"The role of sex steroid receptors in sheep female reproductive physiology","volume":"16","author":"Meikle","year":"2004","journal-title":"Reprod Fertil Dev"},{"key":"10.1016\/j.domaniend.2017.08.003_bib44","series-title":"Como mejorar la fertilidad de los tratamientos de IATF en vacas Bos taurus. 10o Simp Int Reprod Anim, Ed. IRAC - C\u00f3rdoba, Argentina","first-page":"103","author":"Menchaca","year":"2013"},{"key":"10.1016\/j.domaniend.2017.08.003_bib45","doi-asserted-by":"crossref","first-page":"144","DOI":"10.1017\/S1751731114000822","article-title":"Synchronization of ovulation and fixed-time artificial insemination in beef cattle","volume":"8","author":"B\u00f3","year":"2014","journal-title":"Animal"},{"key":"10.1016\/j.domaniend.2017.08.003_bib46","doi-asserted-by":"crossref","first-page":"792","DOI":"10.1016\/j.theriogenology.2015.09.057","article-title":"Different doses of equine chorionic gonadotropin on ovarian follicular growth and pregnancy rate of suckled Bos taurus beef cows subjected to timed artificial insemination protocol","volume":"85","author":"Pessoa","year":"2016","journal-title":"Theriogenology"},{"key":"10.1016\/j.domaniend.2017.08.003_bib47","doi-asserted-by":"crossref","first-page":"479","DOI":"10.1016\/j.anireprosci.2004.04.025","article-title":"The use of hormonal treatments to improve reproductive performance of anestrous beef cattle in tropical climates","volume":"82\u201383","author":"Baruselli","year":"2004","journal-title":"Anim Reprod Sci"},{"key":"10.1016\/j.domaniend.2017.08.003_bib48","first-page":"216","article-title":"Pregnancy rates in lactating beef cows treated with progesterone releasing devices, estradiol benzoate and equine chorionic gonadotropin (eCG)","volume":"59","author":"Cutaia","year":"2003","journal-title":"Theriogenology"},{"key":"10.1016\/j.domaniend.2017.08.003_bib49","first-page":"223","article-title":"Technologies for fixed-time artificial insemination and their influence on reproductive performance of Bos indicus cattle","volume":"64","author":"B\u00f3","year":"2007","journal-title":"Soc Reprod Fertil Suppl"},{"key":"10.1016\/j.domaniend.2017.08.003_bib50","doi-asserted-by":"crossref","first-page":"126","DOI":"10.1071\/RD09225","article-title":"Use of equine chorionic gonadotrophin in synchronised AI of seasonal-breeding, pasture-based, anoestrous dairy cattle","volume":"22","author":"Bryan","year":"2010","journal-title":"Reprod Fertil Dev"},{"key":"10.1016\/j.domaniend.2017.08.003_bib51","doi-asserted-by":"crossref","first-page":"122","DOI":"10.3168\/jds.2012-5452","article-title":"The use of equine chorionic gonadotropin in the treatment of anestrous dairy cows in gonadotropin-releasing hormone\/progesterone protocols of 6 or 7 days","volume":"96","author":"Bryan","year":"2013","journal-title":"J Dairy Sci"},{"key":"10.1016\/j.domaniend.2017.08.003_bib52","doi-asserted-by":"crossref","first-page":"1216","DOI":"10.2527\/jas.2012-5382","article-title":"Effects of equine chorionic gonadotropin on follicle development and pregnancy rates in suckled beef cows with or without calf removal","volume":"91","author":"Marquezini","year":"2013","journal-title":"J Anim Sci"}],"container-title":["Domestic Animal Endocrinology"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0739724017300103?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0739724017300103?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2018,8,28]],"date-time":"2018-08-28T02:53:13Z","timestamp":1535424793000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S0739724017300103"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2018,1]]},"references-count":52,"alternative-id":["S0739724017300103"],"URL":"https:\/\/doi.org\/10.1016\/j.domaniend.2017.08.003","relation":{},"ISSN":["0739-7240"],"issn-type":[{"value":"0739-7240","type":"print"}],"subject":[],"published":{"date-parts":[[2018,1]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Equine chorionic gonadotropin administration after insemination affects luteal function and pregnancy establishment in postpartum anestrous beef cows","name":"articletitle","label":"Article Title"},{"value":"Domestic Animal Endocrinology","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.domaniend.2017.08.003","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"\u00a9 2017 Elsevier Inc. All rights reserved.","name":"copyright","label":"Copyright"}]}}