{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,4]],"date-time":"2026-10-04T05:44:45Z","timestamp":1791092685932,"version":"4.1.0"},"reference-count":28,"publisher":"Elsevier BV","issue":"3-4","license":[{"start":{"date-parts":[[2004,2,1]],"date-time":"2004-02-01T00:00:00Z","timestamp":1075593600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2004,2,1]],"date-time":"2004-02-01T00:00:00Z","timestamp":1075593600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"}],"content-domain":{"domain":["elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["Animal Reproduction Science"],"published-print":{"date-parts":[[2004,2]]},"DOI":"10.1016\/j.anireprosci.2003.07.002","type":"journal-article","created":{"date-parts":[[2003,10,11]],"date-time":"2003-10-11T01:52:40Z","timestamp":1065837160000},"page":"251-259","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":27,"title":["Ewe effect: endocrine and testicular changes in experienced adult and inexperienced young Corriedale rams used for the ram effect"],"prefix":"10.1016","volume":"80","author":[{"given":"R.","family":"Ungerfeld","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"L.","family":"Silva","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"78","reference":[{"key":"10.1016\/j.anireprosci.2003.07.002_BIB1","doi-asserted-by":"crossref","first-page":"265","DOI":"10.1530\/jrf.0.0520265","article-title":"Testicular blood flow and testosterone concentrations in spermatic venous blood of anaesthetized rats","volume":"52","author":"Damber","year":"1978","journal-title":"J. Reprod. Fertil."},{"key":"10.1016\/j.anireprosci.2003.07.002_BIB2","doi-asserted-by":"crossref","first-page":"383","DOI":"10.1016\/0018-506X(82)90047-2","article-title":"Threshold plasma testosterone required for normal mating in male sheep","volume":"16","author":"D\u2019Occhio","year":"1982","journal-title":"Horm. Behav."},{"key":"10.1016\/j.anireprosci.2003.07.002_BIB3","doi-asserted-by":"crossref","first-page":"287","DOI":"10.1016\/0168-1591(89)90057-9","article-title":"Social preferences of domestic ewes for rams (Ovis aries)","volume":"24","author":"Estep","year":"1989","journal-title":"Appl. Anim. Behav. Sci."},{"key":"10.1016\/j.anireprosci.2003.07.002_BIB4","doi-asserted-by":"crossref","first-page":"255","DOI":"10.1186\/BF03548189","article-title":"Radioimmunoassay of bovine, ovine and porcine LH with a monoclonal antibody and a human tracer","volume":"34","author":"Forsberg","year":"1993","journal-title":"Acta Vet. Scand."},{"key":"10.1016\/j.anireprosci.2003.07.002_BIB5","doi-asserted-by":"crossref","first-page":"57","DOI":"10.1016\/0304-3762(81)90051-1","article-title":"Ability of castrate male sheep treated with oestrogen or testosterone to induce and detect oestrus in ewes","volume":"7","author":"Fulkerson","year":"1981","journal-title":"Appl. Anim. Ethol."},{"key":"10.1016\/j.anireprosci.2003.07.002_BIB6","unstructured":"Galloway, D., 1998. Clinical assessment of male reproductive function. In: Ostensson, K., William, G.V. (Eds.), Proceedings of the Fourth SIPAR Follow-Up Seminar on Animal Reproduction and Biotechnology for Latin America, February 8\u201320, Belen, Par\u00e1, Brazil. vol. 1, 19\u201326."},{"key":"10.1016\/j.anireprosci.2003.07.002_BIB7","doi-asserted-by":"crossref","first-page":"249","DOI":"10.1016\/0378-4320(89)90032-8","article-title":"Seasonal variation in LH and testosterone responses of rams following the introduction of oestrous ewes","volume":"21","author":"Gonzalez","year":"1989","journal-title":"Anim. Reprod. Sci."},{"key":"10.1016\/j.anireprosci.2003.07.002_BIB8","doi-asserted-by":"crossref","first-page":"97","DOI":"10.1051\/rnd:19910109","article-title":"Female effect in sheep. I. The effects of sexual receptivity of females and the sexual experience of rams","volume":"31","author":"Gonzalez","year":"1991","journal-title":"Reprod. Nutr. Dev."},{"key":"10.1016\/j.anireprosci.2003.07.002_BIB9","first-page":"21","article-title":"Endocrine aspects of reproduction in the ram important to the male effect","volume":"23","author":"Haynes","year":"1987","journal-title":"World Rev. Anim. Prod."},{"key":"10.1016\/j.anireprosci.2003.07.002_BIB10","doi-asserted-by":"crossref","first-page":"25","DOI":"10.1530\/jrf.0.0480025","article-title":"Effects of ewe proximity on peripheral plasma testosterone levels and behavior n the ram","volume":"48","author":"Illius","year":"1976","journal-title":"J. Reprod. Fertil."},{"key":"10.1016\/j.anireprosci.2003.07.002_BIB11","first-page":"74","article-title":"The pheromones from rams that stimulate ovulation in the ewe","volume":"13","author":"Knight","year":"1980","journal-title":"Proc. Aust. Soc. Anim. Prod."},{"key":"10.1016\/j.anireprosci.2003.07.002_BIB12","doi-asserted-by":"crossref","first-page":"219","DOI":"10.1016\/0301-6226(86)90031-X","article-title":"The physiological responses of anovulatory ewes to the introduction of rams\u2014a review","volume":"15","author":"Martin","year":"1986","journal-title":"Livestock Prod. Sci."},{"key":"10.1016\/j.anireprosci.2003.07.002_BIB13","unstructured":"Meikle, A., 2001. Reproductive endocrinology of prepubertal and anestrous ewes. Regulation of uterine sex steroid receptors by ovarian hormones and effects of estradiol on gonadotropin secretion and follicular growth. Ph.D. Thesis, Swedish University of Agricultural Sciences, Uppsala, Sweden."},{"key":"10.1016\/j.anireprosci.2003.07.002_BIB14","doi-asserted-by":"crossref","first-page":"333","DOI":"10.1530\/jrf.0.0840333","article-title":"Importance of non-olfactory ram stimuli in mediating ram-induced ovulation in the ewe","volume":"84","author":"Pearce","year":"1988","journal-title":"J. Reprod. Fertil."},{"key":"10.1016\/j.anireprosci.2003.07.002_BIB15","doi-asserted-by":"crossref","first-page":"1787","DOI":"10.2527\/1992.7061787x","article-title":"Luteinizing hormone, testosterone, and behavioral response of male-oriented rams to estrous ewes and rams","volume":"70","author":"Perkins","year":"1992","journal-title":"J. Anim. Sci."},{"key":"10.1016\/j.anireprosci.2003.07.002_BIB16","doi-asserted-by":"crossref","first-page":"51","DOI":"10.2527\/1994.72151x","article-title":"The behavioral component of the ram effect: the influence of ram sexual behavior on the induction of the estrus in anovulatory ewes","volume":"72","author":"Perkins","year":"1994","journal-title":"J. Anim. Sci."},{"key":"10.1016\/j.anireprosci.2003.07.002_BIB17","doi-asserted-by":"crossref","first-page":"323","DOI":"10.1016\/0168-1591(91)90137-M","article-title":"Importance of behavioural stimuli in ram-induced ovulation in seasonally anovular Corriedale ewes","volume":"30","author":"Rodr\u0131́guez Iglesias","year":"1991","journal-title":"Appl. Anim. Behav. Sci."},{"key":"10.1016\/j.anireprosci.2003.07.002_BIB18","doi-asserted-by":"crossref","first-page":"317","DOI":"10.1016\/0921-4488(91)90139-H","article-title":"Response of anovular Corriedale ewes to teasing in spring","volume":"6","author":"Rodr\u0131́guez Iglesias","year":"1992","journal-title":"Small Rumin. Res."},{"key":"10.1016\/j.anireprosci.2003.07.002_BIB19","doi-asserted-by":"crossref","first-page":"169","DOI":"10.1530\/reprod\/120.1.169","article-title":"Effects of recent sexual experience and melatonin treatment of rams on plasma testosterone concentration","volume":"120","author":"Rosa","year":"2000","journal-title":"J. Reprod. Fertil."},{"key":"10.1016\/j.anireprosci.2003.07.002_BIB20","unstructured":"SAS, 1999\u20132000. Statistical Analysis Systems, Version 8."},{"key":"10.1016\/j.anireprosci.2003.07.002_BIB21","doi-asserted-by":"crossref","first-page":"293","DOI":"10.1016\/0378-4320(87)90019-4","article-title":"Behavioural and hormonal responses of sexually-experienced Ile-de-France rams to oestrous females","volume":"14","author":"Schanbacher","year":"1987","journal-title":"Anim. Reprod. Sci."},{"key":"10.1016\/j.anireprosci.2003.07.002_BIB22","doi-asserted-by":"crossref","first-page":"245","DOI":"10.1677\/joe.0.0910245","article-title":"Effect of injected human chorionic gonadotrophin on capillary permeability, extracellular fluid volume and the flow of lymph and blood in the testes of rats","volume":"91","author":"Setchell","year":"1981","journal-title":"J. Endocrinol."},{"key":"10.1016\/j.anireprosci.2003.07.002_BIB23","doi-asserted-by":"crossref","first-page":"365","DOI":"10.1530\/jrf.0.0550365","article-title":"Gonadotrophin-induced accumulation of \u201cinterstitial fluid\u201d in the rat testis","volume":"55","author":"Sharpe","year":"1979","journal-title":"J. Reprod. Fertil."},{"key":"10.1016\/j.anireprosci.2003.07.002_BIB24","doi-asserted-by":"crossref","first-page":"37","DOI":"10.1016\/0304-3762(82)90164-X","article-title":"Effectiveness of testosterone treated wethers and ewes as teasers","volume":"9","author":"Signoret","year":"1982","journal-title":"Appl. Anim. Ethol."},{"key":"10.1016\/j.anireprosci.2003.07.002_BIB25","doi-asserted-by":"crossref","first-page":"35","DOI":"10.1016\/S0093-691X(02)01302-X","article-title":"Medroxyprogesterone priming and response to the ram effect in Corriedale ewes during the nonbreeding season","volume":"60","author":"Ungerfeld","year":"2003","journal-title":"Theriogenology"},{"key":"10.1016\/j.anireprosci.2003.07.002_BIB26","doi-asserted-by":"crossref","first-page":"165","DOI":"10.1016\/0168-1591(91)90244-R","article-title":"Disruptive mating behavior by subadult Armenian wild sheep in Iran","volume":"29","author":"Valdez","year":"1991","journal-title":"Appl. Anim. Behav. Sci."},{"key":"10.1016\/j.anireprosci.2003.07.002_BIB27","first-page":"243","article-title":"Role of male\u2013female interaction in regulating reproduction in sheep and goats","volume":"52","author":"Walkden-Brown","year":"1999","journal-title":"J. Reprod. Fertil. Suppl."},{"key":"10.1016\/j.anireprosci.2003.07.002_BIB28","doi-asserted-by":"crossref","first-page":"169","DOI":"10.1016\/0018-506X(83)90005-3","article-title":"The reproductive-endocrine response of adult rams to sexual encounters with estrual ewes is season dependent","volume":"17","author":"Yarney","year":"1983","journal-title":"Horm. Behav."}],"container-title":["Animal Reproduction Science"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0378432003001751?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0378432003001751?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2025,10,8]],"date-time":"2025-10-08T06:01:32Z","timestamp":1759903292000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S0378432003001751"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2004,2]]},"references-count":28,"journal-issue":{"issue":"3-4","published-print":{"date-parts":[[2004,2]]}},"alternative-id":["S0378432003001751"],"URL":"https:\/\/doi.org\/10.1016\/j.anireprosci.2003.07.002","relation":{},"ISSN":["0378-4320"],"issn-type":[{"value":"0378-4320","type":"print"}],"subject":[],"published":{"date-parts":[[2004,2]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Ewe effect: endocrine and testicular changes in experienced adult and inexperienced young Corriedale rams used for the ram effect","name":"articletitle","label":"Article Title"},{"value":"Animal Reproduction Science","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.anireprosci.2003.07.002","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"converted-article","name":"content_type","label":"Content Type"},{"value":"Copyright \u00a9 2003 Elsevier B.V. All rights reserved.","name":"copyright","label":"Copyright"}]}}