{"id":"https://openalex.org/W7203777488","doi":"https://doi.org/10.52419/issn2072-2419.2026.2.279","title":"Morphometric characteristics of the reproductive organs of Yakutian mares at different stages of the estrous cycle","display_name":"Morphometric characteristics of the reproductive organs of Yakutian mares at different stages of the estrous cycle","publication_year":2026,"publication_date":"2026-08-19","ids":{"openalex":"https://openalex.org/W7203777488","doi":"https://doi.org/10.52419/issn2072-2419.2026.2.279"},"language":"en","primary_location":{"id":"doi:10.52419/issn2072-2419.2026.2.279","doi":"https://doi.org/10.52419/issn2072-2419.2026.2.279","is_oa":true,"landing_page_url":"https://doi.org/10.52419/issn2072-2419.2026.2.279","pdf_url":"https://vetjournal.spbguvm.ru/jour/article/download/2126/1693","source":{"id":"https://openalex.org/S4210231981","display_name":"International Journal of Veterinary Medicine","issn_l":"2072-2419","issn":["2072-2419"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":["russia-white-list-2"],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Veterinary Medicine","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"hybrid","oa_url":"https://vetjournal.spbguvm.ru/jour/article/download/2126/1693","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5109441706","display_name":"\u0415.S. Sleptsov","orcid":"https://orcid.org/0000-0002-7478-9011","observed_orcids":["https://orcid.org/0000-0002-7478-9011"]},"institutions":[{"id":"https://openalex.org/I4210127387","display_name":"Siberian Branch of the Russian Academy of Sciences","ror":"https://ror.org/02frkq021","country_code":"RU","type":"government","lineage":["https://openalex.org/I1313323035","https://openalex.org/I4210127387"]},{"id":"https://openalex.org/I4210158007","display_name":"Yakut Scientific Research Institute of Agriculture","ror":"https://ror.org/05gga8159","country_code":"RU","type":"facility","lineage":["https://openalex.org/I1313323035","https://openalex.org/I4210158007","https://openalex.org/I4210167168"]}],"countries":["RU"],"is_corresponding":false,"raw_author_name":"E. S. Sleptsov","raw_affiliation_strings":["FGBUN FRC \u00abYakut Scientific Center of the Siberian Branch of the Russian Academy of Sciences\u00bb \u2014 Yakut Scientific Research Institute of Agriculture named after M. G. Safronov"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"FGBUN FRC \u00abYakut Scientific Center of the Siberian Branch of the Russian Academy of Sciences\u00bb \u2014 Yakut Scientific Research Institute of Agriculture named after M. G. Safronov","institution_ids":["https://openalex.org/I4210127387","https://openalex.org/I4210158007"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5061634673","display_name":"\u0418\u0432\u0430\u043d \u0412\u043b\u0430\u0434\u0438\u043c\u0438\u0440\u043e\u0432\u0438\u0447 \u0410\u043b\u0444\u0435\u0440\u043e\u0432","orcid":"https://orcid.org/0000-0002-9795-5238","observed_orcids":["https://orcid.org/0000-0002-9795-5238"]},"institutions":[{"id":"https://openalex.org/I4210127387","display_name":"Siberian Branch of the Russian Academy of Sciences","ror":"https://ror.org/02frkq021","country_code":"RU","type":"government","lineage":["https://openalex.org/I1313323035","https://openalex.org/I4210127387"]},{"id":"https://openalex.org/I4210158007","display_name":"Yakut Scientific Research Institute of Agriculture","ror":"https://ror.org/05gga8159","country_code":"RU","type":"facility","lineage":["https://openalex.org/I1313323035","https://openalex.org/I4210158007","https://openalex.org/I4210167168"]}],"countries":["RU"],"is_corresponding":false,"raw_author_name":"I. V. Alferov","raw_affiliation_strings":["FGBUN FRC \u00abYakut Scientific Center of the Siberian Branch of the Russian Academy of Sciences\u00bb \u2014 Yakut Scientific Research Institute of Agriculture named after M. G. Safronov"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"FGBUN FRC \u00abYakut Scientific Center of the Siberian Branch of the Russian Academy of Sciences\u00bb \u2014 Yakut Scientific Research Institute of Agriculture named after M. G. Safronov","institution_ids":["https://openalex.org/I4210127387","https://openalex.org/I4210158007"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5063871378","display_name":"Tatyana Dmitrievna Rumyantseva","orcid":"https://orcid.org/0000-0003-0997-5499","observed_orcids":["https://orcid.org/0000-0003-0997-5499"]},"institutions":[{"id":"https://openalex.org/I4210149140","display_name":"Arctic State Agrotechnological University","ror":"https://ror.org/03ng8vp43","country_code":"RU","type":"education","lineage":["https://openalex.org/I4210149140"]}],"countries":["RU"],"is_corresponding":false,"raw_author_name":"T. D. Rumyantseva","raw_affiliation_strings":["Federal State Budgetary Educational Institution of Higher Education \u00abArctic State Agrotechnological University\u00bb"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Federal State Budgetary Educational Institution of Higher Education \u00abArctic State Agrotechnological University\u00bb","institution_ids":["https://openalex.org/I4210149140"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5089699016","display_name":"M.S. Savvinova","orcid":"https://orcid.org/0000-0002-0413-9160","observed_orcids":["https://orcid.org/0000-0002-0413-9160"]},"institutions":[{"id":"https://openalex.org/I4210149140","display_name":"Arctic State Agrotechnological University","ror":"https://ror.org/03ng8vp43","country_code":"RU","type":"education","lineage":["https://openalex.org/I4210149140"]}],"countries":["RU"],"is_corresponding":false,"raw_author_name":"M. S. Savvinova","raw_affiliation_strings":["Federal State Budgetary Educational Institution of Higher Education \u00abArctic State Agrotechnological University\u00bb"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Federal State Budgetary Educational Institution of Higher Education \u00abArctic State Agrotechnological University\u00bb","institution_ids":["https://openalex.org/I4210149140"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":{"value":0.0,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":"2","first_page":"279","last_page":"284"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10584","display_name":"Reproductive Physiology in Livestock","score":0.9653000235557556,"subfield":{"id":"https://openalex.org/subfields/1103","display_name":"Animal Science and Zoology"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},"topics":[{"id":"https://openalex.org/T10584","display_name":"Reproductive Physiology in Livestock","score":0.9653000235557556,"subfield":{"id":"https://openalex.org/subfields/1103","display_name":"Animal Science and Zoology"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T10872","display_name":"Veterinary Equine Medical Research","score":0.02590000070631504,"subfield":{"id":"https://openalex.org/subfields/3402","display_name":"Equine"},"field":{"id":"https://openalex.org/fields/34","display_name":"Veterinary"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T13100","display_name":"Comparative Animal Anatomy Studies","score":0.003800000064074993,"subfield":{"id":"https://openalex.org/subfields/2702","display_name":"Anatomy"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/estrous-cycle","display_name":"estrous cycle","score":0.8479999899864197},{"id":"https://openalex.org/keywords/ovarian-follicles","display_name":"ovarian follicles","score":0.7020000219345093},{"id":"https://openalex.org/keywords/corpus-luteum","display_name":"corpus luteum","score":0.9459999799728394},{"id":"https://openalex.org/keywords/uterine-body","display_name":"uterine body","score":0.5740000009536743},{"id":"https://openalex.org/keywords/fallopian-tube","display_name":"oviduct","score":0.5870000123977661},{"id":"https://openalex.org/keywords/cervix","display_name":"uterine cervix","score":0.652999997138977},{"id":"https://openalex.org/keywords/vaginal-vestibule","display_name":"vaginal vestibule","score":0.6930000185966492},{"id":"https://openalex.org/keywords/follicular-atresia","display_name":"follicular atresia","score":0.5849999785423279},{"id":"https://openalex.org/keywords/follicular-rupture","display_name":"follicle rupture","score":0.3840000033378601},{"id":"https://openalex.org/keywords/ovulation","display_name":"ovulation","score":0.4690000116825104},{"id":"https://openalex.org/keywords/follicular-regression","display_name":"follicular regression","score":0.30799999833106995},{"id":"https://openalex.org/keywords/follicular-hyperplasia","display_name":"follicular hyperplasia","score":0.4970000088214874}],"concepts":[{"id":"https://openalex.org/C1998276","wikidata":"https://www.wikidata.org/wiki/Q388121","display_name":"Estrous cycle","level":2,"score":0.781000018119812},{"id":"https://openalex.org/C452148","wikidata":"https://www.wikidata.org/wiki/Q301276","display_name":"Vestibule","level":3,"score":0.6665999889373779},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.6664999723434448},{"id":"https://openalex.org/C2778227567","wikidata":"https://www.wikidata.org/wiki/Q3693643","display_name":"Uterine horns","level":3,"score":0.5651999711990356},{"id":"https://openalex.org/C105702510","wikidata":"https://www.wikidata.org/wiki/Q514","display_name":"Anatomy","level":1,"score":0.5232999920845032},{"id":"https://openalex.org/C2777740455","wikidata":"https://www.wikidata.org/wiki/Q666412","display_name":"Cervix","level":3,"score":0.4778999984264374},{"id":"https://openalex.org/C147583825","wikidata":"https://www.wikidata.org/wiki/Q620876","display_name":"Body weight","level":2,"score":0.4675000011920929},{"id":"https://openalex.org/C2779066055","wikidata":"https://www.wikidata.org/wiki/Q9612","display_name":"Uterus","level":2,"score":0.4350000023841858},{"id":"https://openalex.org/C2780762169","wikidata":"https://www.wikidata.org/wiki/Q5905368","display_name":"Horse","level":2,"score":0.3391000032424927},{"id":"https://openalex.org/C2992879611","wikidata":"https://www.wikidata.org/wiki/Q666412","display_name":"Uterine cervix","level":3,"score":0.3310000002384186},{"id":"https://openalex.org/C42407357","wikidata":"https://www.wikidata.org/wiki/Q521","display_name":"Physiology","level":1,"score":0.32030001282691956},{"id":"https://openalex.org/C2992003382","wikidata":"https://www.wikidata.org/wiki/Q7895","display_name":"Reproductive tract","level":2,"score":0.31869998574256897},{"id":"https://openalex.org/C29456083","wikidata":"https://www.wikidata.org/wiki/Q1221899","display_name":"Gynecology","level":1,"score":0.30149999260902405},{"id":"https://openalex.org/C2777744392","wikidata":"https://www.wikidata.org/wiki/Q5880","display_name":"Vagina","level":2,"score":0.28439998626708984},{"id":"https://openalex.org/C2776937690","wikidata":"https://www.wikidata.org/wiki/Q20183175","display_name":"Vaginal cytology","level":3,"score":0.2678000032901764},{"id":"https://openalex.org/C183021626","wikidata":"https://www.wikidata.org/wiki/Q4620674","display_name":"Sex organ","level":2,"score":0.25690001249313354},{"id":"https://openalex.org/C16685009","wikidata":"https://www.wikidata.org/wiki/Q335057","display_name":"Andrology","level":1,"score":0.2565999925136566},{"id":"https://openalex.org/C2779890267","wikidata":"https://www.wikidata.org/wiki/Q1219805","display_name":"Mucous membrane","level":2,"score":0.25220000743865967}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.52419/issn2072-2419.2026.2.279","doi":"https://doi.org/10.52419/issn2072-2419.2026.2.279","is_oa":true,"landing_page_url":"https://doi.org/10.52419/issn2072-2419.2026.2.279","pdf_url":"https://vetjournal.spbguvm.ru/jour/article/download/2126/1693","source":{"id":"https://openalex.org/S4210231981","display_name":"International Journal of Veterinary Medicine","issn_l":"2072-2419","issn":["2072-2419"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":["russia-white-list-2"],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Veterinary Medicine","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.52419/issn2072-2419.2026.2.279","doi":"https://doi.org/10.52419/issn2072-2419.2026.2.279","is_oa":true,"landing_page_url":"https://doi.org/10.52419/issn2072-2419.2026.2.279","pdf_url":"https://vetjournal.spbguvm.ru/jour/article/download/2126/1693","source":{"id":"https://openalex.org/S4210231981","display_name":"International Journal of Veterinary Medicine","issn_l":"2072-2419","issn":["2072-2419"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":["russia-white-list-2"],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Veterinary Medicine","raw_type":"journal-article"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W7203777488.pdf","grobid_xml":"https://content.openalex.org/works/W7203777488.grobid-xml"},"referenced_works_count":1,"referenced_works":["https://openalex.org/W4384344772"],"related_works":["https://openalex.org/W2334084581","https://openalex.org/W2555322760","https://openalex.org/W2368954216","https://openalex.org/W2044364067","https://openalex.org/W2385299029","https://openalex.org/W2091803923","https://openalex.org/W2363691813","https://openalex.org/W4239243664","https://openalex.org/W2587222152","https://openalex.org/W4409122650"],"abstract_inverted_index":{"The":[0,23,42,78,179,193,218,240,257,322,338,356,412,442],"article":[1],"presents":[2],"the":[3,10,20,33,39,69,84,97,100,104,109,114,120,124,133,137,140,144,147,149,154,157,160,168,175,186,202,205,214,221,227,234,261,273,294,300,303,306,313,325,332,397,416,447],"results":[4],"of":[5,13,19,35,68,72,99,103,111,116,132,139,146,153,159,174,183,188,220,287,293,324,378,392,415,429],"studying":[6],"morphofunctional":[7],"changes":[8],"in":[9,27,267,299,384,426,433,439,446],"reproductive":[11,70],"organs":[12,71,134],"Yakutian":[14,61],"mares":[15,48],"at":[16],"different":[17],"stages":[18],"estrous":[21,295,404,417],"cycle.":[22],"research":[24],"was":[25,76,92,216,224,230,237,244,315,320,400,419,424,449],"conducted":[26],"Central":[28],"Yakutia":[29],"(Namsky":[30],"District)":[31],"on":[32,407],"basis":[34],"a":[36,65,73,90,285,376,387,390],"farm":[37],"during":[38],"spring\u2013summer":[40],"period.":[41],"study":[43],"involved":[44],"14":[45],"clinically":[46],"healthy":[47],"aged":[49],"4":[50],"to":[51,95,329,335,343,347,366,396],"6":[52],"years":[53],"kept":[54],"under":[55],"year-round":[56],"pasture\u2013herd":[57],"management":[58],"typical":[59],"for":[60],"horse":[62],"breeding.":[63],"Additionally,":[64],"morphometric":[66],"examination":[67,88],"newborn":[74],"filly":[75],"performed.":[77],"work":[79],"included":[80],"two":[81],"stages.":[82],"At":[83,119],"first":[85],"stage,":[86,122,204,305],"vaginal":[87,105,222,228,235,326,333],"using":[89,198],"speculum":[91],"carried":[93],"out":[94],"assess":[96],"condition":[98],"mucous":[101,206,307],"membranes":[102,207,308],"vestibule":[106,141,223,327],"and":[107,113,130,142,151,163,172,181,185,211,213,233,251,269,279,290,311,317,350,362,370,383,436],"vagina,":[108,143],"nature":[110],"secretions,":[112],"degree":[115],"cervical":[117],"opening.":[118],"second":[121],"after":[123],"animals":[125],"were":[126,135,177,191,196,208,259,297,309,381],"slaughtered,":[127],"linear":[128],"measurements":[129],"weighing":[131],"performed:":[136],"length":[138,145,150,158,219,229,243,268,323,334,341],"cervix,":[148],"width":[152,247,346],"uterine":[155,161,241,252,339,351],"body,":[156],"horns":[162],"oviducts,":[164],"as":[165,167],"well":[166],"length,":[169],"width,":[170],"thickness,":[171],"weight":[173,236,253,352,364],"ovaries":[176,258,357],"determined.":[178],"number":[180],"size":[182],"follicles":[184],"presence":[187],"corpora":[189,291],"lutea":[190,292],"recorded.":[192],"obtained":[194],"data":[195],"processed":[197],"variation":[199],"statistics.":[200],"In":[201,302],"equilibrium":[203],"pale":[209],"pink":[210],"dull,":[212],"cervix":[215,314],"closed.":[217],"6,63\u00b10,18":[225],"cm,":[226,232,246,250,331,345,349],"23,93\u00b10,58":[231],"456,6\u00b122,45":[238],"g.":[239,256,282,355],"body":[242,340],"10,2\u00b11,05":[245],"\u2014":[248,254],"7,1\u00b10,15":[249],"907,0\u00b138,1":[255],"bean-shaped:":[260],"right":[262],"ovary":[263,275],"measured":[264,276],"5,43\u00b10,23":[265],"cm":[266,278,289,380,394],"weighed":[270,280],"30,0\u00b12,08":[271],"g;":[272],"left":[274],"4,93\u00b10,08":[277],"26,6\u00b11,2":[281],"Follicles":[283,374],"with":[284,375,389],"diameter":[286,377,391],"1,0\u20141,5":[288],"cycle":[296,418],"detected":[298],"ovaries.":[301],"excitation":[304],"hyperemic":[310],"shiny,":[312],"open,":[316],"clear":[318],"mucus":[319],"observed.":[321],"increased":[328,342,365],"7,20\u00b10,17":[330],"26,53\u00b11,02":[336],"cm.":[337],"13,63\u00b10,58":[344],"7,33\u00b10,12":[348],"reached":[353],"995,00\u00b116,62":[354],"became":[358],"pear-shaped":[359],"or":[360],"spherical,":[361],"their":[363],"37,66\u00b11,45":[367],"g":[368,372],"(right)":[369],"35,66\u00b13,71":[371],"(left).":[373],"3,5\u20144,3":[379],"found,":[382],"one":[385],"case,":[386],"follicle":[388],"6,1":[393],"corresponding":[395],"preovulatory":[398],"stage":[399],"detected.":[401],"After":[402],"foaling,":[403],"cycles":[405],"resumed":[406],"average":[408,413],"10,32\u00b10,64":[409],"days":[410],"postpartum.":[411],"duration":[414],"18,90\u00b11,23":[420],"days.":[421],"Single":[422],"estrus":[423,432,438],"observed":[425],"60":[427],"%":[428],"mares,":[430],"double":[431],"28,1":[434],"%,":[435],"triple":[437],"11,4":[440],"%.":[441,451],"overall":[443],"pregnancy":[444],"rate":[445],"herd":[448],"76,31":[450]},"counts_by_year":[],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2026-08-20T00:00:00"}