{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,7,30]],"date-time":"2025-07-30T12:24:36Z","timestamp":1753878276345,"version":"3.41.2"},"reference-count":38,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2024,12,4]],"date-time":"2024-12-04T00:00:00Z","timestamp":1733270400000},"content-version":"vor","delay-in-days":338,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Animal Science Journal"],"published-print":{"date-parts":[[2024,1]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>The influence of post\u2010ovulatory corpus luteum (CL) and first\u2010wave dominant follicle (1DF) location on pregnancy establishment in cattle remains controversial. This study aimed to reveal the relationship between CL and 1DF positioning, pregnancy outcomes, and blood steroid hormone levels following artificial insemination (AI) in Holstein cattle. Data from heifers (n\u2009=\u2009163) and cows (n\u2009=\u200969) with optimally timed AI, defined as ovulation within 24\u2009h post\u2010AI, were analyzed to determine associations between CL (left\/right ovary) and 1DF (ipsilateral\/contralateral to CL) locations and conception rates. Plasma progesterone (P<jats:sub>4<\/jats:sub>) and estradiol\u201017\u03b2 (E<jats:sub>2<\/jats:sub>) concentrations were measured five days post\u2010insemination. In heifers, neither CL (<jats:italic>p<\/jats:italic>\u2009=\u20090.24) nor 1DF location (<jats:italic>p<\/jats:italic>\u2009=\u20090.44) affected conception rates. Cows with left\u2010sided CL tended to have higher conception rates than those with right\u2010sided CL (<jats:italic>p<\/jats:italic>\u2009=\u20090.08). Relative 1DF location did not affect conception in cows. The location of CL and 1DF did not affect plasma P<jats:sub>4<\/jats:sub> and E<jats:sub>2<\/jats:sub> concentrations or the ratio of plasma E<jats:sub>2<\/jats:sub> to P<jats:sub>4<\/jats:sub> in heifers or cows. These findings suggest a trend towards improved conception rates in cows with CL located on the left ovary post\u2010AI, regardless of 1DF location. The mechanism should not be associated with systemic ovarian hormones.<\/jats:p>","DOI":"10.1111\/asj.70012","type":"journal-article","created":{"date-parts":[[2024,12,5]],"date-time":"2024-12-05T07:31:29Z","timestamp":1733383889000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["The influence of corpus luteum and first\u2010wave dominant follicle location on conception rate after artificial insemination in Holstein cattle"],"prefix":"10.1111","volume":"95","author":[{"given":"Thomas Chia\u2010Tang","family":"Ho","sequence":"first","affiliation":[{"name":"Laboratory of Theriogenology, Graduate School of Veterinary Sciences Osaka Metropolitan University  Osaka Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Tomoaki","family":"Kubo","sequence":"additional","affiliation":[{"name":"Dairy Cow Group, Daily Research Center Hokkaido Research Organization  Nakashibetsu Hokkaido Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Akiko","family":"Aoki","sequence":"additional","affiliation":[{"name":"Tochigi Agricultural College  Utsunomiya Tochigi Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yuki","family":"Ichikawa","sequence":"additional","affiliation":[{"name":"Niigata Agricultural Research Institute Livestock Research Center  Niigata Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hideyuki","family":"Uruma","sequence":"additional","affiliation":[{"name":"Shizuoka Prefectural Research Institute of Animal Industry  Shizuoka Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yuka","family":"Kawamoto","sequence":"additional","affiliation":[{"name":"Shiga Prefectural Livestock Production Technology Promotion Center  Hino Shiga Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yoji","family":"Tamura","sequence":"additional","affiliation":[{"name":"Yamanashi Prefectural Livestock Dairy Technology Center Nagasaka branch  Hokuto Yamanashi Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shusuke","family":"Kojima","sequence":"additional","affiliation":[{"name":"Aichi Agricultural Research Center  Nagakute Aichi Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mami","family":"Matsuo","sequence":"additional","affiliation":[{"name":"Nobeoka Livestock Hygiene Service Center  Nobeoka Miyazaki Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5946-2301","authenticated-orcid":false,"given":"Keisuke","family":"Koyama","sequence":"additional","affiliation":[{"name":"Laboratory of Theriogenology, Graduate School of Veterinary Sciences Osaka Metropolitan University  Osaka Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2024,12,4]]},"reference":[{"key":"e_1_2_7_2_1","doi-asserted-by":"publisher","DOI":"10.1186\/s12917-023-03692-3"},{"key":"e_1_2_7_3_1","doi-asserted-by":"publisher","DOI":"10.1055\/s-0038-1669431"},{"key":"e_1_2_7_4_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.domaniend.2019.02.001"},{"key":"e_1_2_7_5_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00404-012-2477-1"},{"key":"e_1_2_7_6_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.anireprosci.2009.05.002"},{"key":"e_1_2_7_7_1","doi-asserted-by":"publisher","DOI":"10.2527\/2000.7882172x"},{"key":"e_1_2_7_8_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.repbio.2019.09.005"},{"key":"e_1_2_7_9_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1439-0264.2006.00693.x"},{"key":"e_1_2_7_10_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.anireprosci.2012.08.018"},{"key":"e_1_2_7_11_1","doi-asserted-by":"publisher","DOI":"10.3168\/jds.S0022-0302(94)77212-X"},{"key":"e_1_2_7_12_1","doi-asserted-by":"publisher","DOI":"10.1530\/jrf.0.0620555"},{"key":"e_1_2_7_13_1","doi-asserted-by":"publisher","DOI":"10.1095\/biolreprod.108.074336"},{"key":"e_1_2_7_14_1","doi-asserted-by":"publisher","DOI":"10.1093\/humrep\/15.9.1921"},{"key":"e_1_2_7_15_1","doi-asserted-by":"publisher","DOI":"10.1093\/biolre\/ioz199"},{"key":"e_1_2_7_16_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.anireprosci.2019.01.011"},{"key":"e_1_2_7_17_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.repbio.2020.05.006"},{"key":"e_1_2_7_18_1","doi-asserted-by":"publisher","DOI":"10.1292\/jvms.19-0411"},{"key":"e_1_2_7_19_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0378-4320(03)00136-2"},{"key":"e_1_2_7_20_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.anireprosci.2005.10.010"},{"key":"e_1_2_7_21_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.theriogenology.2015.04.033"},{"key":"e_1_2_7_22_1","doi-asserted-by":"publisher","DOI":"10.3168\/jds.2020-18583"},{"key":"e_1_2_7_23_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.anireprosci.2006.04.056"},{"key":"e_1_2_7_24_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.theriogenology.2017.08.017"},{"key":"e_1_2_7_25_1","doi-asserted-by":"publisher","DOI":"10.3168\/jds.2014-8388"},{"key":"e_1_2_7_26_1","doi-asserted-by":"publisher","DOI":"10.1111\/asj.12949"},{"key":"e_1_2_7_27_1","doi-asserted-by":"publisher","DOI":"10.1262\/jrd.2019-146"},{"key":"e_1_2_7_28_1","doi-asserted-by":"publisher","DOI":"10.1262\/jrd.2017-136"},{"volume-title":"Japanese feeding standard for dairy cattle","year":"2006","author":"National Agriculture and Food Research Organization","key":"e_1_2_7_29_1"},{"key":"e_1_2_7_30_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0015-0282(02)04575-2"},{"key":"e_1_2_7_31_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.tvjl.2010.10.024"},{"key":"e_1_2_7_32_1","doi-asserted-by":"publisher","DOI":"10.1530\/REP-10-0113"},{"key":"e_1_2_7_33_1","doi-asserted-by":"publisher","DOI":"10.1016\/0378-4320(87)90081-9"},{"key":"e_1_2_7_34_1","doi-asserted-by":"publisher","DOI":"10.1186\/1477-7827-2-49"},{"key":"e_1_2_7_35_1","first-page":"125","article-title":"Enzyme immunoassay for determination of progesterone in bovine plasma","volume":"12","author":"Takenouchi N.","year":"1993","journal-title":"Bulletin of the Chugoku National Agricultural Experiment Station"},{"key":"e_1_2_7_36_1","doi-asserted-by":"publisher","DOI":"10.1292\/jvms.66.1315"},{"key":"e_1_2_7_37_1","doi-asserted-by":"publisher","DOI":"10.2527\/2002.8041053x"},{"key":"e_1_2_7_38_1","doi-asserted-by":"publisher","DOI":"10.1262\/jrd.2014-076"},{"key":"e_1_2_7_39_1","doi-asserted-by":"publisher","DOI":"10.1262\/jrd.2021-024"}],"container-title":["Animal Science Journal"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/pdf\/10.1111\/asj.70012","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2024,12,27]],"date-time":"2024-12-27T01:40:58Z","timestamp":1735263658000},"score":1,"resource":{"primary":{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/10.1111\/asj.70012"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2024,1]]},"references-count":38,"journal-issue":{"issue":"1","published-print":{"date-parts":[[2024,1]]}},"alternative-id":["10.1111\/asj.70012"],"URL":"https:\/\/doi.org\/10.1111\/asj.70012","archive":["Portico"],"relation":{},"ISSN":["1344-3941","1740-0929"],"issn-type":[{"type":"print","value":"1344-3941"},{"type":"electronic","value":"1740-0929"}],"subject":[],"published":{"date-parts":[[2024,1]]},"assertion":[{"value":"2024-07-26","order":0,"name":"received","label":"Received","group":{"name":"publication_history","label":"Publication History"}},{"value":"2024-11-08","order":2,"name":"accepted","label":"Accepted","group":{"name":"publication_history","label":"Publication History"}},{"value":"2024-12-04","order":3,"name":"published","label":"Published","group":{"name":"publication_history","label":"Publication History"}}],"article-number":"e70012"}}