{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,22]],"date-time":"2026-10-22T17:44:08Z","timestamp":1792691048946,"version":"4.5.0"},"reference-count":29,"publisher":"American Dairy Science Association","issue":"10","license":[{"start":{"date-parts":[[2012,10,1]],"date-time":"2012-10-01T00:00:00Z","timestamp":1349049600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2019,1,10]],"date-time":"2019-01-10T00:00:00Z","timestamp":1547078400000},"content-version":"vor","delay-in-days":2292,"URL":"http:\/\/www.elsevier.com\/open-access\/userlicense\/1.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Journal of Dairy Science"],"published-print":{"date-parts":[[2012,10]]},"DOI":"10.3168\/jds.2011-5035","type":"journal-article","created":{"date-parts":[[2012,8,9]],"date-time":"2012-08-09T19:17:38Z","timestamp":1344539858000},"page":"5612-5625","source":"Crossref","is-referenced-by-count":39,"title":["Effect of presynchronization with human chorionic gonadotropin or gonadotropin-releasing hormone 7 days before resynchronization of ovulation on fertility in lactating dairy cows"],"prefix":"10.3168","volume":"95","author":[{"given":"J.O.","family":"Giordano","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"M.C.","family":"Wiltbank","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"J.N.","family":"Guenther","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"M.S.","family":"Ares","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"suffix":"Jr.","given":"G.","family":"Lopes","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"M.M.","family":"Herlihy","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"P.M.","family":"Fricke","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1747","reference":[{"key":"10.3168\/jds.2011-5035_bib0005","doi-asserted-by":"crossref","first-page":"1036","DOI":"10.1016\/j.theriogenology.2011.05.006","article-title":"Presynchronization with GnRH 7 days prior to resynchronization with CO-Synch did not improve pregnancy rate in lactating dairy cows","volume":"76","author":"Alkar","year":"2011","journal-title":"Theriogenology"},{"key":"10.3168\/jds.2011-5035_bib0010","doi-asserted-by":"crossref","first-page":"3413","DOI":"10.3168\/jds.S0022-0302(06)72378-5","article-title":"Optimizing ovulation to first GnRH improved outcomes to each hormonal injection of Ovsynch in lactating dairy cows","volume":"89","author":"Bello","year":"2006","journal-title":"J. Dairy Sci."},{"key":"10.3168\/jds.2011-5035_bib0015","doi-asserted-by":"crossref","first-page":"449","DOI":"10.1016\/j.theriogenology.2009.09.027","article-title":"Ovulation and pregnancy outcomes in response to human chorionic gonadotropin before resynchronized ovulation in dairy cattle","volume":"73","author":"Buttrey","year":"2010","journal-title":"Theriogenology"},{"key":"10.3168\/jds.2011-5035_bib0020","doi-asserted-by":"crossref","first-page":"239","DOI":"10.1016\/j.anireprosci.2003.12.012","article-title":"Factors affecting conception rate after artificial insemination and pregnancy loss in lactating dairy cows","volume":"84","author":"Chebel","year":"2004","journal-title":"Anim. Reprod. Sci."},{"key":"10.3168\/jds.2011-5035_bib0025","doi-asserted-by":"crossref","first-page":"109","DOI":"10.1016\/j.domaniend.2006.11.004","article-title":"Effects of plasma progesterone concentrations on LH release and ovulation in beef cattle given GnRH","volume":"34","author":"Colazo","year":"2008","journal-title":"Domest. Anim. Endocrinol."},{"key":"10.3168\/jds.2011-5035_bib0030","doi-asserted-by":"crossref","first-page":"4086","DOI":"10.3168\/jds.2010-3233","article-title":"Resynchronization strategies to improve fertility in lactating dairy cows utilizing a presynchronization injection of GnRH or supplemental progesterone: I. Pregnancy rates and ovarian responses","volume":"93","author":"Dewey","year":"2010","journal-title":"J. Dairy Sci."},{"key":"10.3168\/jds.2011-5035_bib0035","doi-asserted-by":"crossref","first-page":"155","DOI":"10.1016\/j.domaniend.2010.04.002","article-title":"Progesterone concentration, estradiol pretreatment, and dose of gonadotropin-releasing hormone affect gonadotropin-releasing hormone-mediated luteinizing hormone release in beef heifers","volume":"39","author":"Dias","year":"2010","journal-title":"Domest. Anim. Endocrinol."},{"key":"10.3168\/jds.2011-5035_bib0040","doi-asserted-by":"crossref","first-page":"1024","DOI":"10.3168\/jds.S0022-0302(04)73248-8","article-title":"Pregnancy in dairy cows after synchronized ovulation regimens with or without presynchronization and progesterone","volume":"87","author":"El-Zarkouny","year":"2004","journal-title":"J. Dairy Sci."},{"key":"10.3168\/jds.2011-5035_bib0045","doi-asserted-by":"crossref","first-page":"3941","DOI":"10.3168\/jds.S0022-0302(03)74003-X","article-title":"Fertility of dairy cows after resynchronization of ovulation at three intervals following first timed insemination","volume":"86","author":"Fricke","year":"2003","journal-title":"J. Dairy Sci."},{"key":"10.3168\/jds.2011-5035_bib0050","doi-asserted-by":"crossref","first-page":"4212","DOI":"10.3168\/jds.2007-0182","article-title":"Reducing the interval from presynchronization to initiation of timed artificial insemination improves fertility in dairy cows","volume":"90","author":"Galv\u00e3o","year":"2007","journal-title":"J. Dairy Sci."},{"key":"10.3168\/jds.2011-5035_bib0055","doi-asserted-by":"crossref","first-page":"315","DOI":"10.1530\/jrf.0.0990315","article-title":"Effect of heat stress on tonic and GnRH-induced gonadotrophin secretion in relation to concentration of oestradiol in plasma of cyclic cows","volume":"99","author":"Gilad","year":"1993","journal-title":"J. Reprod. Fertil."},{"issue":"E-Suppl. 1","key":"10.3168\/jds.2011-5035_bib0060","first-page":"264","article-title":"Effect of increasing the dose of GnRH and PGF2\u03b1 during Double-Ovsynch on fertility of lactating dairy cows at first postpartum timed artificial insemination","volume":"92","author":"Giordano","year":"2009","journal-title":"J. Dairy Sci."},{"key":"10.3168\/jds.2011-5035_bib0065","doi-asserted-by":"crossref","first-page":"3781","DOI":"10.3168\/jds.2011-5155","article-title":"Effect of progesterone on magnitude of the luteinizing hormone surge induced by two different doses of gonadotropin-releasing hormone in lactating dairy cows","volume":"95","author":"Giordano","year":"2012","journal-title":"J. Dairy Sci."},{"key":"10.3168\/jds.2011-5035_bib0070","doi-asserted-by":"crossref","first-page":"6216","DOI":"10.3168\/jds.2011-4376","article-title":"An economic decision-making support system for selection of reproductive management programs on dairy farms","volume":"94","author":"Giordano","year":"2011","journal-title":"J. Dairy Sci."},{"key":"10.3168\/jds.2011-5035_bib0075","doi-asserted-by":"crossref","first-page":"683","DOI":"10.3168\/jds.2011-4609","article-title":"Changes in serum pregnancy-associated glycoprotein (PAG), pregnancy specific protein B (PSPB), and progesterone concentrations before and after induction of pregnancy loss in lactating dairy cows","volume":"95","author":"Giordano","year":"2012","journal-title":"J. Dairy Sci."},{"key":"10.3168\/jds.2011-5035_bib0080","doi-asserted-by":"crossref","first-page":"639","DOI":"10.3168\/jds.2011-4418","article-title":"Increased fertility in lactating dairy cows resynchronized with Double-Ovsynch when compared with Ovsynch initiated 32d after timed AI","volume":"95","author":"Giordano","year":"2012","journal-title":"J. Dairy Sci."},{"issue":"Suppl. 2","key":"10.3168\/jds.2011-5035_bib0085","first-page":"36","article-title":"Strategies for managing reproduction in the heat-stressed dairy cow","volume":"77","author":"Hansen","year":"1999","journal-title":"J. Anim. Sci."},{"key":"10.3168\/jds.2011-5035_bib0090","doi-asserted-by":"crossref","first-page":"2077","DOI":"10.1210\/endo-111-6-2077","article-title":"Development of antral follicles in cattle after prostaglandin-induced luteolysis: Changes in serum hormones, steroids in follicular fluid, and gonadotropin receptors","volume":"111","author":"Ireland","year":"1982","journal-title":"Endocrinology"},{"key":"10.3168\/jds.2011-5035_bib0095","doi-asserted-by":"crossref","first-page":"157","DOI":"10.2527\/jas1983.571157x","article-title":"Growth and differentiation of large antral follicles after spontaneous luteolysis in heifers: Changes in concentration of hormones in follicular fluid and specific binding of gonadotropins to follicles","volume":"57","author":"Ireland","year":"1983","journal-title":"J. Anim. Sci."},{"issue":"E-Suppl. 1","key":"10.3168\/jds.2011-5035_bib0100","first-page":"237","article-title":"Effect of timing of initiation of Resynch and presynchronization with GnRH on fertility of resynchronized inseminations in lactating dairy cows","volume":"94","author":"Lopes","year":"2011","journal-title":"J. Dairy Sci."},{"key":"10.3168\/jds.2011-5035_bib0105","doi-asserted-by":"crossref","first-page":"1646","DOI":"10.3168\/jds.S0022-0302(01)74600-0","article-title":"Effects of presynchronization and bovine somatotropin on pregnancy rates to a timed artificial insemination protocol in lactating dairy cows","volume":"84","author":"Moreira","year":"2001","journal-title":"J. Dairy Sci."},{"key":"10.3168\/jds.2011-5035_bib0110","series-title":"Nutrient Requirements of Dairy Cattle","year":"2001"},{"key":"10.3168\/jds.2011-5035_bib0115","doi-asserted-by":"crossref","first-page":"1551","DOI":"10.3168\/jds.S0022-0302(04)73307-X","article-title":"A modified presynchronization protocol improves fertility to timed artificial insemination in lactating dairy cows","volume":"87","author":"Navanukraw","year":"2004","journal-title":"J. Dairy Sci."},{"key":"10.3168\/jds.2011-5035_bib0120","doi-asserted-by":"crossref","first-page":"915","DOI":"10.1016\/0093-691X(95)00279-H","article-title":"Synchronization of ovulation in dairy cows using PGF2\u03b1 and GnRH","volume":"44","author":"Pursley","year":"1995","journal-title":"Theriogenology"},{"key":"10.3168\/jds.2011-5035_bib0125","doi-asserted-by":"crossref","first-page":"1403","DOI":"10.1095\/biolreprod65.5.1403","article-title":"Follicular deviation and acquisition of ovulatory capacity in bovine follicles","volume":"65","author":"Sartori","year":"2001","journal-title":"Biol. Reprod."},{"key":"10.3168\/jds.2011-5035_bib0130","doi-asserted-by":"crossref","first-page":"905","DOI":"10.3168\/jds.S0022-0302(04)73235-X","article-title":"Comparison of ovarian function and circulating steroids in estrous cycles of Holstein heifers and lactating cows","volume":"87","author":"Sartori","year":"2004","journal-title":"J. Dairy Sci."},{"key":"10.3168\/jds.2011-5035_bib0135","doi-asserted-by":"crossref","first-page":"5509","DOI":"10.3168\/jds.2007-0315","article-title":"Effect of pretreatment with prostaglandin F2alpha before resynchronization of ovulation on fertility of lactating dairy cows","volume":"90","author":"Silva","year":"2007","journal-title":"J. Dairy Sci."},{"key":"10.3168\/jds.2011-5035_bib0140","doi-asserted-by":"crossref","first-page":"208","DOI":"10.1016\/j.theriogenology.2008.03.014","article-title":"A new presynchronization system (Double-Ovsynch) increases fertility at first postpartum timed AI in lactating dairy cows","volume":"70","author":"Souza","year":"2008","journal-title":"Theriogenology"},{"key":"10.3168\/jds.2011-5035_bib0145","doi-asserted-by":"crossref","first-page":"2901","DOI":"10.3168\/jds.2007-0856","article-title":"Detection of anovulation by heatmount detectors and transrectal ultrasonography before treatment with progesterone in a timed insemination protocol","volume":"91","author":"Stevenson","year":"2008","journal-title":"J. Dairy Sci."}],"container-title":["Journal of Dairy Science"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0022030212005656?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0022030212005656?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S0022030212005656","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2024,11,8]],"date-time":"2024-11-08T21:55:19Z","timestamp":1731102919000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S0022030212005656"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2012,10]]},"references-count":29,"journal-issue":{"issue":"10","published-print":{"date-parts":[[2012,10]]}},"alternative-id":["S0022030212005656"],"URL":"https:\/\/doi.org\/10.3168\/jds.2011-5035","relation":{},"ISSN":["0022-0302"],"issn-type":[{"value":"0022-0302","type":"print"}],"subject":[],"published":{"date-parts":[[2012,10]]}}}