{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,23]],"date-time":"2026-10-23T20:48:06Z","timestamp":1792788486715,"version":"4.5.0"},"reference-count":44,"publisher":"American Dairy Science Association","issue":"10","license":[{"start":{"date-parts":[[2015,10,1]],"date-time":"2015-10-01T00:00:00Z","timestamp":1443657600000},"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":1197,"URL":"http:\/\/www.elsevier.com\/open-access\/userlicense\/1.0\/"}],"funder":[{"DOI":"10.13039\/501100003593","name":"CNPq","doi-asserted-by":"crossref","id":[{"id":"10.13039\/501100003593","id-type":"DOI","asserted-by":"crossref"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Journal of Dairy Science"],"published-print":{"date-parts":[[2015,10]]},"DOI":"10.3168\/jds.2015-9672","type":"journal-article","created":{"date-parts":[[2015,8,6]],"date-time":"2015-08-06T04:24:49Z","timestamp":1438835089000},"page":"7003-7014","source":"Crossref","is-referenced-by-count":120,"title":["Factors affecting expression of estrus measured by activity monitors and conception risk of lactating dairy cows"],"prefix":"10.3168","volume":"98","author":[{"given":"A.M.L.","family":"Madureira","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"B.F.","family":"Silper","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"T.A.","family":"Burnett","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"L.","family":"Polsky","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"L.H.","family":"Cruppe","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"D.M.","family":"Veira","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"J.L.M.","family":"Vasconcelos","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"R.L.A.","family":"Cerri","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1747","reference":[{"key":"10.3168\/jds.2015-9672_bib0005","series-title":"SAS Inst","article-title":"Logistic Regression Using the SAS System: Theory and Application","author":"Allison","year":"1999"},{"key":"10.3168\/jds.2015-9672_bib0010","doi-asserted-by":"crossref","first-page":"2738","DOI":"10.3168\/jds.S0022-0302(94)77216-7","article-title":"Endocrine and neural control of estrus in dairy cows","volume":"77","author":"Allrich","year":"1994","journal-title":"J. Dairy Sci."},{"key":"10.3168\/jds.2015-9672_bib0015","doi-asserted-by":"crossref","first-page":"211","DOI":"10.1016\/0168-1591(94)90062-0","article-title":"The increase in activity during oestrus in dairy cows","volume":"40","author":"Arney","year":"1994","journal-title":"Appl. Anim. Behav. Sci."},{"key":"10.3168\/jds.2015-9672_bib0020","doi-asserted-by":"crossref","first-page":"792","DOI":"10.3168\/jds.S0022-0302(01)74535-3","article-title":"Detection and characterization of estrus in dairy cattle with an electronic heatmount detector and an electronic activity tag","volume":"84","author":"At-Taras","year":"2001","journal-title":"J. Dairy Sci."},{"key":"10.3168\/jds.2015-9672_bib0025","doi-asserted-by":"crossref","first-page":"1666","DOI":"10.3168\/jds.2013-7405","article-title":"The relationship between activity clusters detected by an automatic activity monitor and endocrine changes during the periestrus period in lactating dairy cows","volume":"98","author":"Aungier","year":"2015","journal-title":"J. Dairy Sci."},{"key":"10.3168\/jds.2015-9672_bib0030","doi-asserted-by":"crossref","first-page":"2452","DOI":"10.3168\/jds.2011-4653","article-title":"Effects of management and health on the use of activity monitoring for estrus detection in dairy cows","volume":"95","author":"Aungier","year":"2012","journal-title":"J. Dairy Sci."},{"key":"10.3168\/jds.2015-9672_bib0035","doi-asserted-by":"crossref","first-page":"5798","DOI":"10.3168\/jds.2010-3516","article-title":"Effect of interval between induction of ovulation and artificial insemination (AI) and supplemental progesterone for resynchronization on fertility of dairy cows subjected to a 5-d timed AI program","volume":"93","author":"Bisinotto","year":"2010","journal-title":"J. Dairy Sci."},{"key":"10.3168\/jds.2015-9672_bib0040","doi-asserted-by":"crossref","first-page":"621","DOI":"10.1530\/rep.1.00190","article-title":"Association between ovarian follicle development and pregnancy rates in dairy cows undergoing spontaneous oestrous cycles","volume":"127","author":"Bleach","year":"2004","journal-title":"Reproduction"},{"key":"10.3168\/jds.2015-9672_bib0045","doi-asserted-by":"crossref","first-page":"647","DOI":"10.1016\/S0093-691X(03)00078-5","article-title":"Estradiol benzoate delays new follicular wave emergence in a dose-dependent manner after ablation of the dominant ovarian follicle in cattle","volume":"60","author":"Burke","year":"2003","journal-title":"Theriogenology"},{"issue":"Suppl. 2","key":"10.3168\/jds.2015-9672_bib0050","first-page":"90","article-title":"Body weight loss of cows early postpartum has negative effects on estrous expression","volume":"98","author":"Burnett","year":"2015","journal-title":"J. Dairy Sci."},{"key":"10.3168\/jds.2015-9672_bib1055","series-title":"CCAC Guidelines On: The Care and Use of Farm Animals in Research, Teaching And Testing","year":"2009"},{"key":"10.3168\/jds.2015-9672_bib0055","doi-asserted-by":"crossref","first-page":"813","DOI":"10.1530\/REP-08-0242","article-title":"Period of dominance of the ovulatory follicle influences embryo quality in lactating dairy cows","volume":"137","author":"Cerri","year":"2009","journal-title":"Reproduction"},{"key":"10.3168\/jds.2015-9672_bib0060","doi-asserted-by":"crossref","first-page":"3704","DOI":"10.3168\/jds.S0022-0302(04)73509-2","article-title":"Timed artificial insemination with estradiol cypionate or insemination at estrus in high-producing dairy cows","volume":"87","author":"Cerri","year":"2004","journal-title":"J. Dairy Sci."},{"key":"10.3168\/jds.2015-9672_bib0065","doi-asserted-by":"crossref","first-page":"546","DOI":"10.2527\/jas1986.632546x","article-title":"Induction of estrus in ovariectomized cows and heifers: Effects of estradiol benzoate and gonadotropin releasing hormone","volume":"63","author":"Cook","year":"1986","journal-title":"J. Anim. Sci."},{"key":"10.3168\/jds.2015-9672_bib0070","doi-asserted-by":"crossref","first-page":"3698","DOI":"10.3168\/jds.2011-4976","article-title":"Genetic merit for fertility traits in Holstein cows: II. Ovarian follicular and corpus luteum dynamics, reproductive hormones, and estrus behavior","volume":"95","author":"Cummins","year":"2012","journal-title":"J. Dairy Sci."},{"key":"10.3168\/jds.2015-9672_bib0075","doi-asserted-by":"crossref","first-page":"68","DOI":"10.3168\/jds.S0022-0302(89)79081-0","article-title":"A body condition score chart for Holstein dairy cows","volume":"72","author":"Edmonson","year":"1989","journal-title":"J. Dairy Sci."},{"key":"10.3168\/jds.2015-9672_bib0080","doi-asserted-by":"crossref","first-page":"266","DOI":"10.1095\/biolreprod.110.085910","article-title":"Changes in the endometrial transcriptome during the bovine estrous cycle: Effect of low circulating progesterone and consequences for conceptus elongation","volume":"84","author":"Forde","year":"2011","journal-title":"Biol. Reprod."},{"key":"10.3168\/jds.2015-9672_bib0085","doi-asserted-by":"crossref","first-page":"93","DOI":"10.1016\/0378-4320(81)90036-1","article-title":"Concentrations of oestradiol-17\u03b2 and progesterone in the plasma of dairy heifers before and after cloprostenol-induced and natural luteolysis and during early pregnancy","volume":"4","author":"Glencross","year":"1981","journal-title":"Anim. Reprod. Sci."},{"key":"10.3168\/jds.2015-9672_bib0090","doi-asserted-by":"crossref","first-page":"47","DOI":"10.1136\/vr.d2344","article-title":"Comparison of oetrus detection methods in dairy cattle","volume":"169","author":"Holman","year":"2011","journal-title":"Vet. Rec."},{"key":"10.3168\/jds.2015-9672_bib0095","doi-asserted-by":"crossref","first-page":"6","DOI":"10.1016\/j.compag.2010.12.014","article-title":"Oestrus detection in dairy cows from activity and lying data using on-line individual models","volume":"76","author":"J\u00f3nsson","year":"2011","journal-title":"Comput. Electron. Agric."},{"key":"10.3168\/jds.2015-9672_bib0100","doi-asserted-by":"crossref","first-page":"1594","DOI":"10.1016\/j.theriogenology.2011.06.012","article-title":"Influence of progesterone on oocyte quality and embryo development in cows","volume":"76","author":"Lonergan","year":"2011","journal-title":"Theriogenology"},{"key":"10.3168\/jds.2015-9672_bib0105","doi-asserted-by":"crossref","first-page":"437","DOI":"10.1016\/S0093-691X(03)00245-0","article-title":"Effect of dietary phosphorus concentration on estrous behaviour of lactating dairy cows","volume":"61","author":"L\u00f3pez","year":"2004","journal-title":"Theriogenology"},{"key":"10.3168\/jds.2015-9672_bib0110","doi-asserted-by":"crossref","first-page":"1419","DOI":"10.1016\/j.theriogenology.2004.07.007","article-title":"Walking activity at estrus and subsequent fertility in dairy cows","volume":"63","author":"L\u00f3pez-Gatius","year":"2005","journal-title":"Theriogenology"},{"key":"10.3168\/jds.2015-9672_bib0115","doi-asserted-by":"crossref","first-page":"249","DOI":"10.3168\/jds.2008-1721","article-title":"On the use of physical activity monitoring for estrus detection in dairy cows","volume":"93","author":"L\u00f8vendahl","year":"2010","journal-title":"J. Dairy Sci."},{"key":"10.3168\/jds.2015-9672_bib0120","doi-asserted-by":"crossref","first-page":"1783","DOI":"10.1016\/S0093-691X(00)00314-9","article-title":"Relationship among estradiol, cortisol and intensity of estrous behavior in dairy cattle","volume":"53","author":"Lyimo","year":"2000","journal-title":"Theriogenology"},{"issue":"Suppl. 2","key":"10.3168\/jds.2015-9672_bib0125","first-page":"874","article-title":"Effects of expression of estrus measured by activity monitors on ovarian dynamics and conception risk in Holstein cows","volume":"98","author":"Madureira","year":"2015","journal-title":"J. Dairy Sci."},{"key":"10.3168\/jds.2015-9672_bib0130","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":"10.3168\/jds.2015-9672_bib0135","doi-asserted-by":"crossref","first-page":"801","DOI":"10.1016\/j.theriogenology.2008.10.001","article-title":"Influence of somatic cell count, body condition and lameness on follicular growth and ovulation in dairy cows","volume":"71","author":"Morris","year":"2009","journal-title":"Theriogenology"},{"key":"10.3168\/jds.2015-9672_bib0140","series-title":"Acad","article-title":"Nutrient Requirements for Dairy Cattle. Natl","year":"2001"},{"key":"10.3168\/jds.2015-9672_bib0145","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1016\/S0168-1591(00)00139-8","article-title":"Some factors affecting the behavioural manifestation of oestrus in cattle: A review","volume":"70","author":"Orihuela","year":"2000","journal-title":"Appl. Anim. Behav. Sci."},{"key":"10.3168\/jds.2015-9672_bib0150","doi-asserted-by":"crossref","first-page":"1454","DOI":"10.3168\/jds.2013-7287","article-title":"Increasing length of an estradiol and progesterone timed artificial insemination protocol decreases pregnancy losses in lactating dairy cows","volume":"97","author":"Pereira","year":"2014","journal-title":"J. Dairy Sci."},{"key":"10.3168\/jds.2015-9672_bib0155","doi-asserted-by":"crossref","first-page":"6904","DOI":"10.3168\/jds.2012-6260","article-title":"Timed artificial insemination programs during summer in lactating dairy cows: Comparison of the 5-d Cosynch protocol with an estrogen\/progesterone-based protocol","volume":"96","author":"Pereira","year":"2013","journal-title":"J. Dairy Sci."},{"key":"10.3168\/jds.2015-9672_bib0160","doi-asserted-by":"crossref","first-page":"2513","DOI":"10.3168\/jds.2011-4921","article-title":"Effects of presynchronization and length of proestrus on fertility of grazing dairy cows subjected to a 5-day timed artificial insemination protocol","volume":"95","author":"Ribeiro","year":"2012","journal-title":"J. Dairy Sci."},{"key":"10.3168\/jds.2015-9672_bib0165","doi-asserted-by":"crossref","first-page":"1500","DOI":"10.3168\/jds.2009-2489","article-title":"Effect of bovine somatotropin (500mg) administered at ten-day intervals on ovulatory responses, expression of estrus, and fertility in dairy cows","volume":"93","author":"Rivera","year":"2010","journal-title":"J. Dairy Sci."},{"key":"10.3168\/jds.2015-9672_bib0170","doi-asserted-by":"crossref","first-page":"327","DOI":"10.1016\/j.theriogenology.2010.02.016","article-title":"When is a cow in estrus? Clinical and practical aspects","volume":"74","author":"Roelofs","year":"2010","journal-title":"Theriogenology"},{"key":"10.3168\/jds.2015-9672_bib0175","doi-asserted-by":"crossref","first-page":"2831","DOI":"10.3168\/jds.S0022-0302(02)74370-1","article-title":"High feed intake increases blood flow and metabolism of progesterone and estradiol-17\u03b2 in dairy cattle","volume":"85","author":"Sangsritavong","year":"2002","journal-title":"J. Dairy Sci."},{"key":"10.3168\/jds.2015-9672_bib0180","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.2015-9672_bib0185","doi-asserted-by":"crossref","first-page":"312","DOI":"10.1016\/j.theriogenology.2014.12.029","article-title":"Automated and visual measurements of estrous behavior and their sources of variation in Holstein heifers I: Walking activity and behavior frequency","volume":"84","author":"Silper","year":"2015","journal-title":"Theriogenology"},{"key":"10.3168\/jds.2015-9672_bib0190","doi-asserted-by":"crossref","first-page":"1150","DOI":"10.3168\/jds.S0022-0302(02)74177-5","article-title":"The relationship between estrous behavioural score and time of ovulation in dairy cattle","volume":"85","author":"van Eerdenburg","year":"2002","journal-title":"J. Dairy Sci."},{"key":"10.3168\/jds.2015-9672_bib0195","doi-asserted-by":"crossref","first-page":"57","DOI":"10.1016\/0168-1591(96)01068-4","article-title":"Sexual activies and oestrus detection in lactating Holstein cows","volume":"50","author":"Van Vliet","year":"1996","journal-title":"Appl. Anim. Behav. Sci."},{"key":"10.3168\/jds.2015-9672_bib0200","doi-asserted-by":"crossref","first-page":"795","DOI":"10.1016\/S0093-691X(03)00102-X","article-title":"Acute reduction in serum progesterone concentrations after feed intake in dairy cows","volume":"60","author":"Vasconcelos","year":"2003","journal-title":"Theriogenology"},{"key":"10.3168\/jds.2015-9672_bib0205","doi-asserted-by":"crossref","first-page":"577","DOI":"10.3168\/jds.S0022-0302(00)74917-4","article-title":"Genetic correlation between days until start of luteal activity and milk yield, energy balance, and live weights","volume":"83","author":"Veerkamp","year":"2000","journal-title":"J. Dairy Sci."},{"key":"10.3168\/jds.2015-9672_bib0210","doi-asserted-by":"crossref","first-page":"493","DOI":"10.1016\/j.yhbeh.2007.12.003","article-title":"Chronic stress, hormone profiles and estrus intensity in dairy cattle","volume":"53","author":"Walker","year":"2008","journal-title":"Horm. Behav."},{"key":"10.3168\/jds.2015-9672_bib0215","doi-asserted-by":"crossref","first-page":"1555","DOI":"10.3168\/jds.S0022-0302(96)76517-7","article-title":"Time of ovulation relative to mounting activity in dairy cattle","volume":"79","author":"Walker","year":"1996","journal-title":"J. Dairy Sci."}],"container-title":["Journal of Dairy Science"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0022030215005573?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0022030215005573?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S0022030215005573","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2024,11,8]],"date-time":"2024-11-08T22:10:26Z","timestamp":1731103826000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S0022030215005573"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2015,10]]},"references-count":44,"journal-issue":{"issue":"10","published-print":{"date-parts":[[2015,10]]}},"alternative-id":["S0022030215005573"],"URL":"https:\/\/doi.org\/10.3168\/jds.2015-9672","relation":{},"ISSN":["0022-0302"],"issn-type":[{"value":"0022-0302","type":"print"}],"subject":[],"published":{"date-parts":[[2015,10]]}}}