{"id":"https://openalex.org/W7127092604","doi":"https://doi.org/10.32634/0869-8155-2026-402-01-77-84","title":"Features of dairy productivity of cows depending on age and selection","display_name":"Features of dairy productivity of cows depending on age and selection","publication_year":2026,"publication_date":"2026-01-26","ids":{"openalex":"https://openalex.org/W7127092604","doi":"https://doi.org/10.32634/0869-8155-2026-402-01-77-84"},"language":"en","primary_location":{"id":"doi:10.32634/0869-8155-2026-402-01-77-84","doi":"https://doi.org/10.32634/0869-8155-2026-402-01-77-84","is_oa":true,"landing_page_url":"https://doi.org/10.32634/0869-8155-2026-402-01-77-84","pdf_url":"https://www.vetpress.ru/jour/article/download/3971/3050","source":{"id":"https://openalex.org/S4210190924","display_name":"Agrarian science","issn_l":"0869-8155","issn":["0869-8155","2686-701X"],"is_oa":true,"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":"Agrarian science","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"diamond","oa_url":"https://www.vetpress.ru/jour/article/download/3971/3050","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5051458837","display_name":"Oleg V. Shalnev","orcid":"https://orcid.org/0009-0005-5482-3269","observed_orcids":["https://orcid.org/0009-0005-5482-3269"]},"institutions":[{"id":"https://openalex.org/I4210104969","display_name":"Ural State Agrarian University","ror":"https://ror.org/01kn8x502","country_code":"RU","type":"education","lineage":["https://openalex.org/I4210104969"]}],"countries":["RU"],"is_corresponding":false,"raw_author_name":"O. V. Shalnev","raw_affiliation_strings":["Ural State Agrarian University"],"raw_orcid":"https://orcid.org/0009-0005-5482-3269","affiliations":[{"raw_affiliation_string":"Ural State Agrarian University","institution_ids":["https://openalex.org/I4210104969"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5027425053","display_name":"Svetlana Yu. Kharlap","orcid":"https://orcid.org/0000-0002-3651-8835","observed_orcids":["https://orcid.org/0000-0002-3651-8835"]},"institutions":[{"id":"https://openalex.org/I4210104969","display_name":"Ural State Agrarian University","ror":"https://ror.org/01kn8x502","country_code":"RU","type":"education","lineage":["https://openalex.org/I4210104969"]}],"countries":["RU"],"is_corresponding":false,"raw_author_name":"S. Yu. Kharlap","raw_affiliation_strings":["Ural State Agrarian University"],"raw_orcid":"https://orcid.org/0000-0002-3651-8835","affiliations":[{"raw_affiliation_string":"Ural State Agrarian University","institution_ids":["https://openalex.org/I4210104969"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5012602195","display_name":"\u0410\u0440\u0442\u0435\u043c \u0421\u0435\u0440\u0433\u0435\u0435\u0432\u0438\u0447 \u0413\u043e\u0440\u0435\u043b\u0438\u043a","orcid":"https://orcid.org/0000-0002-3362-2514","observed_orcids":["https://orcid.org/0000-0002-3362-2514"]},"institutions":[{"id":"https://openalex.org/I1333070841","display_name":"Ministry of Emergency Situations","ror":"https://ror.org/0590mw537","country_code":"RU","type":"government","lineage":["https://openalex.org/I1333070841"]}],"countries":["RU"],"is_corresponding":false,"raw_author_name":"A. S. Gorelik","raw_affiliation_strings":["Ural Institute of the State Fire Service of the Ministry of Civil Defense, Emergencies and Disaster Response of the Russian Federation"],"raw_orcid":"https://orcid.org/0000-0002-3362-2514","affiliations":[{"raw_affiliation_string":"Ural Institute of the State Fire Service of the Ministry of Civil Defense, Emergencies and Disaster Response of the Russian Federation","institution_ids":["https://openalex.org/I1333070841"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5068092127","display_name":"\u041e. \u0412. \u0413\u043e\u0440\u0435\u043b\u0438\u043a","orcid":"https://orcid.org/0000-0002-9546-2069","observed_orcids":["https://orcid.org/0000-0002-9546-2069"]},"institutions":[{"id":"https://openalex.org/I4210104969","display_name":"Ural State Agrarian University","ror":"https://ror.org/01kn8x502","country_code":"RU","type":"education","lineage":["https://openalex.org/I4210104969"]}],"countries":["RU"],"is_corresponding":false,"raw_author_name":"O. V. Gorelik","raw_affiliation_strings":["Ural State Agrarian University"],"raw_orcid":"https://orcid.org/0000-0002-9546-2069","affiliations":[{"raw_affiliation_string":"Ural State Agrarian University","institution_ids":["https://openalex.org/I4210104969"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5124853329","display_name":"M. B. Rebezov","orcid":"https://orcid.org/0000-0003-0857-5143","observed_orcids":["https://orcid.org/0000-0003-0857-5143"]},"institutions":[{"id":"https://openalex.org/I4210104969","display_name":"Ural State Agrarian University","ror":"https://ror.org/01kn8x502","country_code":"RU","type":"education","lineage":["https://openalex.org/I4210104969"]}],"countries":["RU"],"is_corresponding":false,"raw_author_name":"M. B. Rebezov","raw_affiliation_strings":["Gorbatov Research Center for Food Systems; Ural State Agrarian University"],"raw_orcid":"https://orcid.org/0000-0003-0857-5143","affiliations":[{"raw_affiliation_string":"Gorbatov Research Center for Food Systems; Ural State Agrarian University","institution_ids":["https://openalex.org/I4210104969"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":8.4101,"has_fulltext":true,"cited_by_count":4,"citation_normalized_percentile":{"value":0.97146133,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":97,"max":98},"biblio":{"volume":"1","issue":"1","first_page":"77","last_page":"84"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10594","display_name":"Genetic and phenotypic traits in livestock","score":0.9984999895095825,"subfield":{"id":"https://openalex.org/subfields/1311","display_name":"Genetics"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},"topics":[{"id":"https://openalex.org/T10594","display_name":"Genetic and phenotypic traits in livestock","score":0.9984999895095825,"subfield":{"id":"https://openalex.org/subfields/1311","display_name":"Genetics"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T14499","display_name":"Livestock Farming and Management","score":0.000699999975040555,"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/T10584","display_name":"Reproductive Physiology in Livestock","score":0.00019999999494757503,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/dairy-cows","display_name":"dairy cattle","score":0.6579999923706055},{"id":"https://openalex.org/keywords/holstein-cattle","display_name":"Holstein cows","score":0.8399999737739563},{"id":"https://openalex.org/keywords/inbreeding","display_name":"inbreeding","score":0.8360000252723694},{"id":"https://openalex.org/keywords/outbreeding","display_name":"outbreeding","score":0.6499999761581421},{"id":"https://openalex.org/keywords/heterogeneous-selection","display_name":"heterogeneous selection","score":0.6790000200271606},{"id":"https://openalex.org/keywords/homogeneous-selection","display_name":"homogeneous selection","score":0.9490000009536743},{"id":"https://openalex.org/keywords/milk-yield","display_name":"milk yield","score":0.6240000128746033},{"id":"https://openalex.org/keywords/lactation","display_name":"lactation","score":0.7630000114440918},{"id":"https://openalex.org/keywords/cow-age","display_name":"cow age","score":0.5370000004768372},{"id":"https://openalex.org/keywords/breeding-stock","display_name":"breeding stock","score":0.5299999713897705}],"concepts":[{"id":"https://openalex.org/C81917197","wikidata":"https://www.wikidata.org/wiki/Q628760","display_name":"Selection (genetic algorithm)","level":2,"score":0.7896999716758728},{"id":"https://openalex.org/C2777782036","wikidata":"https://www.wikidata.org/wiki/Q38978","display_name":"Inbreeding","level":3,"score":0.743399977684021},{"id":"https://openalex.org/C2776659692","wikidata":"https://www.wikidata.org/wiki/Q719426","display_name":"Lactation","level":3,"score":0.6438999772071838},{"id":"https://openalex.org/C140793950","wikidata":"https://www.wikidata.org/wiki/Q168091","display_name":"Animal science","level":1,"score":0.5996000170707703},{"id":"https://openalex.org/C204983608","wikidata":"https://www.wikidata.org/wiki/Q2111958","display_name":"Productivity","level":2,"score":0.5361999869346619},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.4771000146865845},{"id":"https://openalex.org/C66882249","wikidata":"https://www.wikidata.org/wiki/Q169336","display_name":"Homogeneous","level":2,"score":0.4657000005245209},{"id":"https://openalex.org/C2776977481","wikidata":"https://www.wikidata.org/wiki/Q2915","display_name":"Dairy cattle","level":2,"score":0.44020000100135803},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.36390000581741333},{"id":"https://openalex.org/C134121241","wikidata":"https://www.wikidata.org/wiki/Q899301","display_name":"Yield (engineering)","level":2,"score":0.352400004863739},{"id":"https://openalex.org/C52991690","wikidata":"https://www.wikidata.org/wiki/Q1740042","display_name":"Culling","level":3,"score":0.3479999899864197},{"id":"https://openalex.org/C150903083","wikidata":"https://www.wikidata.org/wiki/Q7108","display_name":"Biotechnology","level":1,"score":0.3407000005245209},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.32120001316070557},{"id":"https://openalex.org/C112964050","wikidata":"https://www.wikidata.org/wiki/Q103459","display_name":"Livestock","level":2,"score":0.30090001225471497},{"id":"https://openalex.org/C2775997480","wikidata":"https://www.wikidata.org/wiki/Q586277","display_name":"Degree (music)","level":2,"score":0.2953000068664551},{"id":"https://openalex.org/C2016182","wikidata":"https://www.wikidata.org/wiki/Q227675","display_name":"Animal breeding","level":2,"score":0.29280000925064087},{"id":"https://openalex.org/C194775826","wikidata":"https://www.wikidata.org/wiki/Q209542","display_name":"Herd","level":2,"score":0.27869999408721924}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.32634/0869-8155-2026-402-01-77-84","doi":"https://doi.org/10.32634/0869-8155-2026-402-01-77-84","is_oa":true,"landing_page_url":"https://doi.org/10.32634/0869-8155-2026-402-01-77-84","pdf_url":"https://www.vetpress.ru/jour/article/download/3971/3050","source":{"id":"https://openalex.org/S4210190924","display_name":"Agrarian science","issn_l":"0869-8155","issn":["0869-8155","2686-701X"],"is_oa":true,"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":"Agrarian science","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.32634/0869-8155-2026-402-01-77-84","doi":"https://doi.org/10.32634/0869-8155-2026-402-01-77-84","is_oa":true,"landing_page_url":"https://doi.org/10.32634/0869-8155-2026-402-01-77-84","pdf_url":"https://www.vetpress.ru/jour/article/download/3971/3050","source":{"id":"https://openalex.org/S4210190924","display_name":"Agrarian science","issn_l":"0869-8155","issn":["0869-8155","2686-701X"],"is_oa":true,"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":"Agrarian science","raw_type":"journal-article"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/2","display_name":"Zero hunger","score":0.991100013256073}],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W7127092604.pdf","grobid_xml":"https://content.openalex.org/works/W7127092604.grobid-xml"},"referenced_works_count":7,"referenced_works":["https://openalex.org/W2947526339","https://openalex.org/W3043634594","https://openalex.org/W4366122479","https://openalex.org/W4366594829","https://openalex.org/W4391967082","https://openalex.org/W4401784584","https://openalex.org/W4405742711"],"related_works":["https://openalex.org/W4410437934","https://openalex.org/W4404211311","https://openalex.org/W7159802548","https://openalex.org/W3081911709","https://openalex.org/W3081669638","https://openalex.org/W4283394814","https://openalex.org/W3118001414","https://openalex.org/W4399784539","https://openalex.org/W4306970022","https://openalex.org/W3107351601"],"abstract_inverted_index":{"Relevance.":[0],"An":[1],"analysis":[2],"of":[3,6,22,28,32,41,59,81,88,97,115,122,125,204,208,240,275],"the":[4,7,11,30,42,57,79,82,86,123,146,153,167,175,211,252,255,258,261,264,273,284],"structure":[5],"breeding":[8,15],"stock,":[9],"including":[10],"selection":[12,60,63,67,137,242],"method":[13],"for":[14,76,94,257,263],"Holstein":[16],"cattle,":[17],"revealed":[18],"a":[19,26,120,181,202,205,238,248],"large":[20],"number":[21],"cows":[23,48,116,269],"obtained":[24,118,133,200,236],"as":[25,119,201,237],"result":[27,121,203,239],"inbreeding,":[29,245,272],"degree":[31,207],"which":[33,160],"will":[34],"increase":[35],"over":[36],"time.":[37],"Methods.":[38],"The":[39,72,113],"object":[40],"study":[43],"is":[44,247],"repair":[45],"heifers":[46,169],"and":[47,65,69,74,108,170,190,197,226,243,277],"born":[49],"in":[50,110,152,166,174,184,251,279],"2018,":[51],"divided":[52],"into":[53,101],"groups":[54,219],"according":[55,103],"to":[56,104,140,260],"type":[58],"\u2013":[61],"heterogeneous":[62,135],"(outbreeding)":[64],"homogeneous":[66],"(moderate":[68],"long\u2013term":[70],"inbreeding).":[71,233],"material":[73],"data":[75],"comparison":[77],"were":[78,117,150],"database":[80],"IAC":[83],"\u201cSELEX-Dairy":[84],"Cattle\u201d,":[85],"results":[87],"our":[89],"own":[90],"research.":[91],"Milk":[92],"yield":[93,186],"305":[95],"days":[96],"lactation":[98,155],"was":[99,161,180],"taken":[100],"account":[102],"control":[105],"milks,":[106],"MJ":[107],"MDB":[109],"milk.":[111],"Results.":[112],"majority":[114],"use":[124],"remote":[126],"inbreeding":[127],"\u2014":[128,156],"more":[129,164],"than":[130,165],"65.0%.":[131],"Cows":[132,144,199],"by":[134,187,195,220,227],"(unrelated)":[136],"turned":[138],"out":[139],"be":[141],"only":[142],"12.4%.":[143],"with":[145,270],"highest":[147],"productivity":[148],"rates":[149],"found":[151],"second":[154,285],"10484\u00b1135.86":[157],"kg":[158,163,172,189],"(13.8%),":[159],"1450":[162],"first":[168,259],"169":[171],"(1.6%)":[173],"third":[176],"lactation.":[177,267,286],"Further,":[178],"there":[179,246],"slight":[182],"decrease":[183,250],"milk":[185,280],"16":[188],"301":[191],"kg,":[192,222,229],"respectively,":[193],"or":[194,223,230],"0.15%":[196],"2.9%.":[198],"moderate":[206,244],"inbred":[209],"had":[210],"best":[212],"indicators.":[213],"They":[214],"outperformed":[215],"animals":[216,235],"from":[217,254],"other":[218],"559":[221],"5.46%":[224],"(outbred)":[225],"268":[228],"2.62%":[231],"(distant":[232],"In":[234,268],"outbred":[241],"gradual":[249],"ratio":[253,274],"maximum":[256],"minimum":[262],"last":[265],"(fourth)":[266],"distant":[271],"fat":[276],"protein":[278],"decreased":[281],"sharply":[282],"after":[283]},"counts_by_year":[{"year":2026,"cited_by_count":4}],"updated_date":"2026-10-30T12:39:25.321706","created_date":"2026-02-03T00:00:00"}