{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,4]],"date-time":"2026-08-04T05:58:49Z","timestamp":1785823129497,"version":"3.56.0"},"reference-count":22,"publisher":"Elsevier BV","license":[{"start":{"date-parts":[[2020,10,1]],"date-time":"2020-10-01T00:00:00Z","timestamp":1601510400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2020,10,1]],"date-time":"2020-10-01T00:00:00Z","timestamp":1601510400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"},{"start":{"date-parts":[[2020,7,23]],"date-time":"2020-07-23T00:00:00Z","timestamp":1595462400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"funder":[{"DOI":"10.13039\/100005825","name":"National Institute of Food and Agriculture","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100005825","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["Animal Reproduction Science"],"published-print":{"date-parts":[[2020,10]]},"DOI":"10.1016\/j.anireprosci.2020.106553","type":"journal-article","created":{"date-parts":[[2020,7,24]],"date-time":"2020-07-24T22:26:57Z","timestamp":1595629617000},"page":"106553","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":9,"special_numbering":"C","title":["Estrous detection with an activity and rumination monitoring system in an organic grazing and a low-input conventional dairy herd"],"prefix":"10.1016","volume":"221","author":[{"given":"G.M.","family":"Pereira","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"B.J.","family":"Heins","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1798-3432","authenticated-orcid":false,"given":"M.I.","family":"Endres","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"78","reference":[{"key":"10.1016\/j.anireprosci.2020.106553_bib0005","series-title":"Proc. of the 1st North Am. Conf. Precision Dairy Management","first-page":"100","article-title":"Optimal timing of insemination using activity collars","author":"Bar","year":"2010"},{"key":"10.1016\/j.anireprosci.2020.106553_bib0010","doi-asserted-by":"crossref","first-page":"8723","DOI":"10.3168\/jds.2015-9645","article-title":"Behavioral and physiological changes around estrus events identified using multiple automated monitoring technologies","volume":"98","author":"Dolecheck","year":"2015","journal-title":"J. Dairy Sci."},{"key":"10.1016\/j.anireprosci.2020.106553_bib0015","doi-asserted-by":"crossref","first-page":"6412","DOI":"10.3168\/jds.2013-6790","article-title":"Validating the accuracy of activity and rumination monitor data from dairy cows housed in a pasture-based automatic milking system","volume":"96","author":"Elischer","year":"2013","journal-title":"J. Dairy Sci."},{"key":"10.1016\/j.anireprosci.2020.106553_bib0020","doi-asserted-by":"crossref","first-page":"706","DOI":"10.3168\/jds.2018-14582","article-title":"Effects of winter housing systems on production, economics, body weight, BCS, and bedding cultures of organic dairy cows","volume":"102","author":"Heins","year":"2019","journal-title":"J. Dairy Sci."},{"key":"10.1016\/j.anireprosci.2020.106553_bib0025","doi-asserted-by":"crossref","first-page":"3045","DOI":"10.3168\/jds.2011-4934","article-title":"Field evaluation of 2 collar- mounted activity meters for detecting cows in estrus on a large pasture-grazed dairy farm","volume":"95","author":"Kamphuis","year":"2012","journal-title":"J. Dairy Sci."},{"key":"10.1016\/j.anireprosci.2020.106553_bib0030","doi-asserted-by":"crossref","first-page":"7003","DOI":"10.3168\/jds.2015-9672","article-title":"Factors affecting expression of estrus measured by activity monitors and conception risk of lactating dairy cows","volume":"98","author":"Madureira","year":"2015","journal-title":"J. Dairy Sci."},{"key":"10.1016\/j.anireprosci.2020.106553_bib0035","doi-asserted-by":"crossref","first-page":"144","DOI":"10.1016\/j.livsci.2019.02.003","article-title":"Peri-estrus activity and rumination time and its application to estrus prediction: evidence from dairy herds under organic grazing and low-input conventional production","volume":"221","author":"Minegishi","year":"2019","journal-title":"Livestock Sci."},{"key":"10.1016\/j.anireprosci.2020.106553_bib0040","doi-asserted-by":"crossref","first-page":"255","DOI":"10.1016\/j.theriogenology.2010.02.009","article-title":"Estrus detection and estrus characteristics in housed and pastured Holstein-Friesian cows","volume":"74","author":"Palmer","year":"2010","journal-title":"Theriogenology"},{"key":"10.1016\/j.anireprosci.2020.106553_bib0045","doi-asserted-by":"crossref","first-page":"1435","DOI":"10.1093\/tas\/txz106","article-title":"Activity and rumination of Holstein and crossbred cows in an organic and low-input conventional dairy herd","volume":"3","author":"Pereira","year":"2019","journal-title":"Trans. Anim. Sci."},{"key":"10.1016\/j.anireprosci.2020.106553_bib0050","doi-asserted-by":"crossref","first-page":"6416","DOI":"10.3168\/jds.2012-5316","article-title":"Relationship between daily rumination time and estrus of dairy cows","volume":"95","author":"Reith","year":"2012","journal-title":"J. Dairy Sci."},{"key":"10.1016\/j.anireprosci.2020.106553_bib0055","doi-asserted-by":"crossref","first-page":"219","DOI":"10.1016\/j.livsci.2014.10.013","article-title":"Simultaneous analysis of activity and rumination time, based on collar-mounted sensor technology, of dairy cows over the peri-estrus period","volume":"170","author":"Reith","year":"2014","journal-title":"Livestock Sci."},{"key":"10.1016\/j.anireprosci.2020.106553_bib0060","first-page":"498","article-title":"Estrus detection tools and their applicability in cattle: recent and perspectival situation","volume":"12","author":"Roelofs","year":"2015","journal-title":"Anim. Reprod."},{"key":"10.1016\/j.anireprosci.2020.106553_bib0065","doi-asserted-by":"crossref","first-page":"1366","DOI":"10.1016\/j.theriogenology.2004.07.009","article-title":"Various behavioral signs of estrous and their relationship with time of ovulation in dairy cattle","volume":"63","author":"Roelofs","year":"2005","journal-title":"Theriogenology"},{"key":"10.1016\/j.anireprosci.2020.106553_bib0070","doi-asserted-by":"crossref","first-page":"12","DOI":"10.1016\/j.theriogenology.2017.01.037","article-title":"The effect of housing condition on the performance of two types of activity meters to detect estrus in dairy cows","volume":"93","author":"Roelofs","year":"2017","journal-title":"Theriogenology"},{"key":"10.1016\/j.anireprosci.2020.106553_bib0075","doi-asserted-by":"crossref","first-page":"1056","DOI":"10.1111\/j.1439-0531.2011.01971.x","article-title":"Towards an automated detection of Oestrus in dairy cattle","volume":"7","author":"Saint-Dizier","year":"2012","journal-title":"Reprod. Domest. Anim."},{"key":"10.1016\/j.anireprosci.2020.106553_bib0080","series-title":"SAS\/STAT Software","author":"SAS Institute Inc","year":"2018"},{"key":"10.1016\/j.anireprosci.2020.106553_bib0085","doi-asserted-by":"crossref","first-page":"6052","DOI":"10.3168\/jds.2009-2361","article-title":"Technical note: validation of a system for monitoring rumination in dairy cows","volume":"92","author":"Schirmann","year":"2009","journal-title":"J. Dairy Sci."},{"key":"10.1016\/j.anireprosci.2020.106553_bib0090","doi-asserted-by":"crossref","first-page":"19","DOI":"10.1016\/j.theriogenology.2019.02.038","article-title":"Evaluation of an ear-attached accelerometer for detecting estrus events in indoor housed dairy cows","volume":"130","author":"Schweinzer","year":"2019","journal-title":"Theriogenology"},{"key":"10.1016\/j.anireprosci.2020.106553_bib0095","doi-asserted-by":"crossref","first-page":"9942","DOI":"10.3168\/jds.2016-11038","article-title":"Short communication: relationship of activity and rumination to abundance of pest flies among organically certified cows fed 3 levels of concentrate","volume":"99","author":"Sjostrom","year":"2016","journal-title":"J. Dairy Sci."},{"key":"10.1016\/j.anireprosci.2020.106553_bib0100","doi-asserted-by":"crossref","first-page":"739","DOI":"10.1016\/j.theriogenology.2014.11.005","article-title":"Evaluation of infrared thermography body temperature and collar-mounted accelerometer and acoustic technology for predicting time of ovulation of cows in a pasture-based system","volume":"83","author":"Talukder","year":"2015","journal-title":"Theriogenology"},{"key":"10.1016\/j.anireprosci.2020.106553_bib0105","series-title":"The Program Handbook. United States","author":"USDA-AMS","year":"2017"},{"key":"10.1016\/j.anireprosci.2020.106553_bib0110","first-page":"172","article-title":"CowTrakker technology for improved heat detection","volume":"61","author":"Verkerk","year":"2001","journal-title":"Proc. N. Z. Soc. Anim. Prod."}],"container-title":["Animal Reproduction Science"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0378432020304255?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0378432020304255?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2025,10,8]],"date-time":"2025-10-08T06:44:04Z","timestamp":1759905844000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S0378432020304255"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2020,10]]},"references-count":22,"alternative-id":["S0378432020304255"],"URL":"https:\/\/doi.org\/10.1016\/j.anireprosci.2020.106553","relation":{},"ISSN":["0378-4320"],"issn-type":[{"value":"0378-4320","type":"print"}],"subject":[],"published":{"date-parts":[[2020,10]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Estrous detection with an activity and rumination monitoring system in an organic grazing and a low-input conventional dairy herd","name":"articletitle","label":"Article Title"},{"value":"Animal Reproduction Science","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.anireprosci.2020.106553","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"\u00a9 2020 The Author(s). Published by Elsevier B.V.","name":"copyright","label":"Copyright"}],"article-number":"106553"}}