{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,27]],"date-time":"2025-10-27T15:53:06Z","timestamp":1761580386932,"version":"3.44.0"},"reference-count":50,"publisher":"Elsevier BV","issue":"4","license":[{"start":{"date-parts":[[2006,9,1]],"date-time":"2006-09-01T00:00:00Z","timestamp":1157068800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2006,9,1]],"date-time":"2006-09-01T00:00:00Z","timestamp":1157068800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"}],"funder":[{"DOI":"10.13039\/501100001823","name":"Ministerstvo \u0160kolstv\u00ed, Ml\u00e1de\u017ee a T\u011blov\u00fdchovy","doi-asserted-by":"publisher","award":["GG MSM 432100001"],"award-info":[{"award-number":["GG MSM 432100001"]}],"id":[{"id":"10.13039\/501100001823","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["Theriogenology"],"published-print":{"date-parts":[[2006,9]]},"DOI":"10.1016\/j.theriogenology.2006.02.021","type":"journal-article","created":{"date-parts":[[2006,3,24]],"date-time":"2006-03-24T07:42:37Z","timestamp":1143186157000},"page":"868-876","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":6,"title":["Relationship between opposite changes of vaginal and vestibular impedance during estrous cycle in sows"],"prefix":"10.1016","volume":"66","author":[{"given":"P.","family":"\u0158ez\u00e1\u010d","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"I.","family":"Oli\u010d","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"78","reference":[{"key":"10.1016\/j.theriogenology.2006.02.021_bib1","doi-asserted-by":"crossref","first-page":"961","DOI":"10.1016\/0093-691X(89)90505-0","article-title":"Vaginal conductivity as an indicator for optimum breeding time in the sow after weaning","volume":"32","author":"Ko","year":"1989","journal-title":"Theriogenology"},{"key":"10.1016\/j.theriogenology.2006.02.021_bib2","doi-asserted-by":"crossref","first-page":"505","DOI":"10.1136\/vr.124.19.505","article-title":"Changes in electrical resistance of the vaginal mucosa in prostaglandin-treated cows","volume":"124","author":"Peters","year":"1989","journal-title":"Vet Rec"},{"key":"10.1016\/j.theriogenology.2006.02.021_bib3","doi-asserted-by":"crossref","first-page":"813","DOI":"10.1016\/S0093-691X(99)00029-1","article-title":"The relationship between vaginal mucous impedance and serum concentrations of estradiol and progesterone throughout the sheep estrous cycle","volume":"51","author":"Bartlewski","year":"1999","journal-title":"Theriogenology"},{"key":"10.1016\/j.theriogenology.2006.02.021_bib4","doi-asserted-by":"crossref","first-page":"235","DOI":"10.1016\/S0093-691X(01)00559-3","article-title":"Use of vaginal electrical resistance (VER) to predict estrus and ovarian activity, its relationship with plasma progesterone and its use for insemination in buffaloes","volume":"56","author":"Gupta","year":"2001","journal-title":"Theriogenology"},{"key":"10.1016\/j.theriogenology.2006.02.021_bib5","doi-asserted-by":"crossref","first-page":"15","DOI":"10.1530\/jrf.0.0700015","article-title":"Temporal relationships between hormonal concentrations and the electrical resistance of the vaginal tract of blue foxes (Alopex lagopus) at pro-oestrus and oestrus","volume":"70","author":"Moller","year":"1984","journal-title":"J Reprod Fertil"},{"key":"10.1016\/j.theriogenology.2006.02.021_bib6","doi-asserted-by":"crossref","first-page":"573","DOI":"10.1111\/j.1600-0684.1990.tb00464.x","article-title":"Changes in electrical impedance of the vaginal medium during the menstrual cycle of female rhesus monkeys (Macaca mulatta)","volume":"19","author":"Fischer","year":"1990","journal-title":"J Med Primatol"},{"key":"10.1016\/j.theriogenology.2006.02.021_bib7","doi-asserted-by":"crossref","first-page":"869","DOI":"10.2527\/jas1984.594869x","article-title":"Efficacy of using vaginal conductivity as an indicator of the optimum time to breed in swine","volume":"59","author":"Zink","year":"1984","journal-title":"J Anim Sci"},{"key":"10.1016\/j.theriogenology.2006.02.021_bib8","first-page":"111","article-title":"A relationship between the impedance pattern of the vaginal mucous membrane after weaning and the conception of sows inseminated according to the detection of standing reflex","volume":"20","author":"\u0158ez\u00e1\u010d","year":"1988","journal-title":"Sci Agric Bohemoslov"},{"key":"10.1016\/j.theriogenology.2006.02.021_bib9","doi-asserted-by":"crossref","first-page":"1491","DOI":"10.1016\/0093-691X(96)00117-3","article-title":"The relationship between electrical resistance of vaginal mucus and plasma hormonal parameters during periestrus in sows","volume":"45","author":"Dusza","year":"1996","journal-title":"Theriogenology"},{"key":"10.1016\/j.theriogenology.2006.02.021_bib10","doi-asserted-by":"crossref","first-page":"126","DOI":"10.2527\/jas1982.541126x","article-title":"Use of boar spermatozoa for artificial insemination II. Fertilizing capacity of fresh and frozen spermatozoa in gilts inseminated either at a fixed time or according to Walsmeta readings","volume":"54","author":"Johnson","year":"1982","journal-title":"J Anim Sci"},{"key":"10.1016\/j.theriogenology.2006.02.021_bib11","doi-asserted-by":"crossref","first-page":"865","DOI":"10.4141\/cjas87-090","article-title":"Reproductive-performance of sows inseminated with fresh or thawed semen: influence of insemination at a fixed time or as indicated by changes in vaginal mucus conductivity","volume":"67","author":"Harbison","year":"1987","journal-title":"Can J Anim Sci"},{"key":"10.1016\/j.theriogenology.2006.02.021_bib12","doi-asserted-by":"crossref","first-page":"305","DOI":"10.1016\/0378-4320(95)01454-3","article-title":"Vaginal mucus conductivity as measured by the Walsmeta MKIV does not accurately predict the moment of ovulation or the optimum time for insemination in sows","volume":"41","author":"Stokhof","year":"1996","journal-title":"Anim Reprod Sci"},{"key":"10.1016\/j.theriogenology.2006.02.021_bib13","doi-asserted-by":"crossref","first-page":"111","DOI":"10.1016\/S0378-4320(03)00101-5","article-title":"Changes of electrical impedance in vaginal vestibule in cyclic sows","volume":"79","author":"\u0158ez\u00e1\u010d","year":"2003","journal-title":"Anim Reprod Sci"},{"key":"10.1016\/j.theriogenology.2006.02.021_bib14","first-page":"1297","article-title":"Porcine urogenital system","volume":"vol. 2","author":"Sisson","year":"1975"},{"key":"10.1016\/j.theriogenology.2006.02.021_bib15","doi-asserted-by":"crossref","first-page":"1325","DOI":"10.1016\/S0093-691X(02)01168-8","article-title":"Effect of probe location on changes in vaginal electrical impedance during the porcine estrous cycle","volume":"59","author":"\u0158ez\u00e1\u010d","year":"2003","journal-title":"Theriogenology"},{"key":"10.1016\/j.theriogenology.2006.02.021_bib16","first-page":"447","article-title":"Dynamika impedance sliznice po\u0161evn\u00ed p\u0159eds\u00edn\u011b inseminovan\u00fdch prasnic stanoven\u00e1 p\u0159\u00edstrojem Walsmeta MK IV","volume":"33","author":"\u010ce\u0159ovsk\u00fd","year":"1988","journal-title":"Zivocisna Vyroba"},{"key":"10.1016\/j.theriogenology.2006.02.021_bib17","first-page":"723","article-title":"Zm\u011bny impedance sliznice po\u0161evn\u00ed p\u0159eds\u00edn\u011b u \u0159\u00edj\u00edc\u00edch se prasnic m\u011b\u0159en\u00e9 p\u0159\u00edstrojem Walsmeta MK III","volume":"34","author":"\u0158ez\u00e1\u010d","year":"1989","journal-title":"Zivocisna Vyroba"},{"key":"10.1016\/j.theriogenology.2006.02.021_bib18","first-page":"11","article-title":"Mating management of sows","volume":"22","author":"O\u2019Grady","year":"1983","journal-title":"Irish J Agric Res"},{"key":"10.1016\/j.theriogenology.2006.02.021_bib19","first-page":"430","article-title":"Het gebruik van een berigheidstester bij zeugen","volume":"111","author":"Schrooyen","year":"1986","journal-title":"Tijdschr Diergeneesk"},{"key":"10.1016\/j.theriogenology.2006.02.021_bib20","doi-asserted-by":"crossref","first-page":"223","DOI":"10.1016\/S0378-4320(02)00089-1","article-title":"Effect of sow parity on vaginal electrical impedance","volume":"72","author":"\u0158ez\u00e1\u010d","year":"2002","journal-title":"Anim Reprod Sci"},{"key":"10.1016\/j.theriogenology.2006.02.021_bib21","doi-asserted-by":"crossref","first-page":"2533","DOI":"10.2527\/1999.7792533x","article-title":"Control of the weaning-to-estrus interval in sows using gonadotropins and prostaglandins during lactation","volume":"77","author":"Armstrong","year":"1999","journal-title":"J Anim Sci"},{"key":"10.1016\/j.theriogenology.2006.02.021_bib22","doi-asserted-by":"crossref","first-page":"135","DOI":"10.1007\/BF02367609","article-title":"Complex bioelectric impedance measurement system for the frequency range from 5Hz to 1MHz","volume":"21","author":"Ackmann","year":"1993","journal-title":"Ann Biomed Eng"},{"key":"10.1016\/j.theriogenology.2006.02.021_bib23","doi-asserted-by":"crossref","first-page":"182","DOI":"10.1109\/TBME.1986.325889","article-title":"Sensor for catheter-based measurements of electrical conductivity","volume":"33","author":"Newbower","year":"1986","journal-title":"IEEE Trans Biomed Eng"},{"issue":"Suppl.","key":"10.1016\/j.theriogenology.2006.02.021_bib24","first-page":"91","article-title":"Expression of oestrus and timing of ovulation in pigs","volume":"52","author":"Soede","year":"1997","journal-title":"J Reprod Fertil"},{"key":"10.1016\/j.theriogenology.2006.02.021_bib25","doi-asserted-by":"crossref","first-page":"11","DOI":"10.1530\/jrf.0.0610011","article-title":"Impedometric properties of the vulvar and vaginal tissues of ewes during the oestrous cycle","volume":"61","author":"Adam","year":"1981","journal-title":"J Reprod Fertil"},{"key":"10.1016\/j.theriogenology.2006.02.021_bib26","first-page":"833","article-title":"Die periodischen Ver\u00e4nderungen des Vaginalepithels beim Schwein und die M\u00f6glichkeit ihrer Heranziehung zur Gravidit\u00e4tsdiagnose","volume":"15","author":"Busch","year":"1966","journal-title":"Wiss Z Humboldt U Be"},{"key":"10.1016\/j.theriogenology.2006.02.021_bib27","doi-asserted-by":"crossref","first-page":"127","DOI":"10.1530\/jrf.0.0210127","article-title":"Histology of the vaginal epithelium of the sow during oral administration of methallibure (ICI 33828)","volume":"21","author":"Wrathall","year":"1970","journal-title":"J Reprod Fertil"},{"key":"10.1016\/j.theriogenology.2006.02.021_bib28","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1530\/jrf.0.0280001","article-title":"Vaginal histology of the domestic pig: histomorphology from birth to 8 years with some clinical aspects","volume":"28","author":"Bal","year":"1972","journal-title":"J Reprod Fertil"},{"key":"10.1016\/j.theriogenology.2006.02.021_bib29","doi-asserted-by":"crossref","first-page":"124","DOI":"10.1016\/S0065-1281(76)80102-X","article-title":"Histochemische und histologische Untersuchungen an der Vagina von Schweinen in verschiedenen Zyklusstadien","volume":"55","author":"Zag\u00f3rowski","year":"1976","journal-title":"Acta Histochem"},{"key":"10.1016\/j.theriogenology.2006.02.021_bib30","doi-asserted-by":"crossref","first-page":"12","DOI":"10.1111\/j.1439-0264.1988.tb00740.x","article-title":"Histochemical examination of the vaginal epithelium of sows at various stages of the estrous cycle","volume":"17","author":"Branscheid","year":"1988","journal-title":"Anat Histol Embryol"},{"key":"10.1016\/j.theriogenology.2006.02.021_bib31","doi-asserted-by":"crossref","first-page":"387","DOI":"10.1002\/aja.1001430309","article-title":"The dual origin of vaginal epithelium","volume":"143","author":"Cunha","year":"1975","journal-title":"Am J Anat"},{"key":"10.1016\/j.theriogenology.2006.02.021_bib32","doi-asserted-by":"crossref","first-page":"1048","DOI":"10.1016\/S0022-5347(05)67247-3","article-title":"Uroplakin and androgen receptor expression in the human fetal genital tract: insights into the development of the vagina","volume":"164","author":"Shapiro","year":"2000","journal-title":"J Urol"},{"key":"10.1016\/j.theriogenology.2006.02.021_bib33","doi-asserted-by":"crossref","first-page":"15","DOI":"10.1530\/jrf.0.0450015","article-title":"Post-partum oestrus in the sow in relation to the concentration of plasma oestrogens","volume":"45","author":"Holness","year":"1975","journal-title":"J Reprod Fertil"},{"key":"10.1016\/j.theriogenology.2006.02.021_bib34","doi-asserted-by":"crossref","first-page":"95","DOI":"10.1530\/jrf.0.0700095","article-title":"Plasma concentrations of LH, prolactin, oestradiol-17 beta and progesterone in sows weaned after lactation for 10 or 35 days","volume":"70","author":"Kirkwood","year":"1984","journal-title":"J Reprod Fertil"},{"key":"10.1016\/j.theriogenology.2006.02.021_bib35","doi-asserted-by":"crossref","first-page":"79","DOI":"10.1530\/jrf.0.0840079","article-title":"Correlation of follicular steroid hormone profiles with ovarian cyclicity in sows","volume":"84","author":"Babalola","year":"1988","journal-title":"J Reprod Fertil"},{"key":"10.1016\/j.theriogenology.2006.02.021_bib36","doi-asserted-by":"crossref","first-page":"101","DOI":"10.1530\/jrf.0.0910101","article-title":"Episodic secretion of gonadotrophins and ovarian steroids in jugular and utero-ovarian vein plasma during the follicular phase of the oestrous cycle in gilts","volume":"91","author":"Flowers","year":"1991","journal-title":"J Reprod Fertil"},{"key":"10.1016\/j.theriogenology.2006.02.021_bib37","doi-asserted-by":"crossref","first-page":"633","DOI":"10.1530\/jrf.0.1010633","article-title":"Periovulatory profiles of oestradiol. LH and progesterone in relation to oestrus and embryo mortality in multiparous sows using transrectal ultrasonography to detect ovulation","volume":"101","author":"Soede","year":"1994","journal-title":"J Reprod Fertil"},{"key":"10.1016\/j.theriogenology.2006.02.021_bib38","doi-asserted-by":"crossref","first-page":"56","DOI":"10.1111\/j.1439-0531.1972.tb00222.x","article-title":"Ger\u00e4t zur Messung der elektrischen Leitf\u00e4higkeit des Vaginalschleimes f\u00fcr die Brunstfeststellung beim Rind","volume":"7","author":"Metzger","year":"1972","journal-title":"Zuchthygiene"},{"key":"10.1016\/j.theriogenology.2006.02.021_bib39","doi-asserted-by":"crossref","first-page":"205","DOI":"10.1002\/ar.1091640207","article-title":"Cytoplasmic fine structure during hormonally controlled differentiation in vaginal epithelium","volume":"164","author":"Eddy","year":"1969","journal-title":"Anat Rec"},{"key":"10.1016\/j.theriogenology.2006.02.021_bib40","doi-asserted-by":"crossref","first-page":"49","DOI":"10.1530\/jrf.0.0780049","article-title":"Age- and hormone-related changes in vaginal smear patterns in the gray-tailed vole, Microtus canicaudus","volume":"78","author":"Petersen","year":"1986","journal-title":"J Reprod Fertil"},{"key":"10.1016\/j.theriogenology.2006.02.021_bib41","first-page":"68","article-title":"Hormonal modification of epithelial differentiation and expression of cell surface heparan sulfate proteoglycan in the mouse vaginal epithelium. An immunohistochemical and electron microscopic study","volume":"58","author":"Hayashi","year":"1988","journal-title":"Lab Invest"},{"key":"10.1016\/j.theriogenology.2006.02.021_bib42","doi-asserted-by":"crossref","first-page":"193","DOI":"10.1677\/joe.0.0690193","article-title":"Plasma luteinizing hormone and progesterone in the adult female pig during the oestrous cycles, late pregnancy and lactation, and after ovariectomy and pentobarbitone treatment","volume":"69","author":"Parvizi","year":"1976","journal-title":"J Endocrinol"},{"key":"10.1016\/j.theriogenology.2006.02.021_bib43","doi-asserted-by":"crossref","first-page":"223","DOI":"10.1095\/biolreprod24.2.223","article-title":"Periestrous and midluteal time courses of circulating LH, FSH, prolactin, estradiol-17 beta and progesterone in the domestic pig","volume":"24","author":"Van de Wiel","year":"1981","journal-title":"Biol Reprod"},{"key":"10.1016\/j.theriogenology.2006.02.021_bib44","doi-asserted-by":"crossref","first-page":"395","DOI":"10.1016\/0093-691X(87)90228-7","article-title":"Influence of season on estrous and luteinizing hormone responses to estradiol benzoate in ovariectomized sows","volume":"27","author":"Cox","year":"1987","journal-title":"Theriogenology"},{"key":"10.1016\/j.theriogenology.2006.02.021_bib45","doi-asserted-by":"crossref","first-page":"51","DOI":"10.1016\/0378-4320(89)90007-9","article-title":"Involvement of hypothalamic compounds in the expression of estrus in the pig","volume":"18","author":"Esbenshade","year":"1989","journal-title":"Anim Reprod Sci"},{"key":"10.1016\/j.theriogenology.2006.02.021_bib46","doi-asserted-by":"crossref","first-page":"484","DOI":"10.1016\/0018-506X(90)90037-X","article-title":"Sustained influence of previous estradiol or testosterone treatments on sexual behaviors of female pigs","volume":"24","author":"Ford","year":"1990","journal-title":"Horm Behav"},{"key":"10.1016\/j.theriogenology.2006.02.021_bib47","doi-asserted-by":"crossref","first-page":"307","DOI":"10.1051\/rnd:19920310","article-title":"Oestrus and LH responses to oestradiol during lactational anoestrus in Chinese Meishan and Large White sows","volume":"32","author":"Elsaesser","year":"1992","journal-title":"Reprod Nutr Dev"},{"issue":"Suppl.","key":"10.1016\/j.theriogenology.2006.02.021_bib48","first-page":"37","article-title":"Control of follicular development during and after lactation in sows","volume":"33","author":"Britt","year":"1985","journal-title":"J Reprod Fertil"},{"key":"10.1016\/j.theriogenology.2006.02.021_bib49","doi-asserted-by":"crossref","first-page":"73","DOI":"10.1007\/BF02214971","article-title":"Vaginal electrical resistance in cows: 1. Measurements in isolated reproductive tracts","volume":"5","author":"McCaughey","year":"1981","journal-title":"Vet Res Commun"},{"key":"10.1016\/j.theriogenology.2006.02.021_bib50","doi-asserted-by":"crossref","first-page":"559","DOI":"10.1016\/0093-691X(93)90409-X","article-title":"Use of a vaginal mucus impedance meter to detect estrus in the cow","volume":"40","author":"Kitwood","year":"1993","journal-title":"Theriogenology"}],"container-title":["Theriogenology"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0093691X06001208?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0093691X06001208?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2025,9,25]],"date-time":"2025-09-25T12:19:19Z","timestamp":1758802759000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S0093691X06001208"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2006,9]]},"references-count":50,"journal-issue":{"issue":"4","published-print":{"date-parts":[[2006,9]]}},"alternative-id":["S0093691X06001208"],"URL":"https:\/\/doi.org\/10.1016\/j.theriogenology.2006.02.021","relation":{},"ISSN":["0093-691X"],"issn-type":[{"type":"print","value":"0093-691X"}],"subject":[],"published":{"date-parts":[[2006,9]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Relationship between opposite changes of vaginal and vestibular impedance during estrous cycle in sows","name":"articletitle","label":"Article Title"},{"value":"Theriogenology","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.theriogenology.2006.02.021","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"Copyright \u00a9 2006 Elsevier Inc. All rights reserved.","name":"copyright","label":"Copyright"}]}}