{"id":"https://openalex.org/W2011828558","doi":"https://doi.org/10.3168/jds.s0022-0302(02)74073-3","title":"Trends in Reproductive Performance in Southeastern Holstein and Jersey DHI Herds","display_name":"Trends in Reproductive Performance in Southeastern Holstein and Jersey DHI Herds","publication_year":2002,"publication_date":"2002-01-01","ids":{"openalex":"https://openalex.org/W2011828558","doi":"https://doi.org/10.3168/jds.s0022-0302(02)74073-3","mag":"2011828558","pmid":"https://pubmed.ncbi.nlm.nih.gov/11860117"},"language":"en","primary_location":{"id":"doi:10.3168/jds.s0022-0302(02)74073-3","doi":"https://doi.org/10.3168/jds.s0022-0302(02)74073-3","is_oa":true,"landing_page_url":"https://doi.org/10.3168/jds.s0022-0302(02)74073-3","pdf_url":"https://doi.org/10.3168/jds.s0022-0302(02)74073-3","source":{"id":"https://openalex.org/S28349394","display_name":"Journal of Dairy Science","issn_l":"0022-0302","issn":["0022-0302","1525-3198","1529-9066"],"is_oa":false,"is_in_doaj":true,"is_core":true,"listed_in":["anvur-scientific","cwts-core","doaj","dongbi-a","jufo-3","ki-jl-1","medline","norway-2","oarl","poland-200","vabb-shw"],"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Dairy Science","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref","doaj","pubmed"],"open_access":{"is_oa":true,"oa_status":"bronze","oa_url":"https://doi.org/10.3168/jds.s0022-0302(02)74073-3","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5113646718","display_name":"Steven P. Washburn","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I137902535","display_name":"North Carolina State University","ror":"https://ror.org/04tj63d06","country_code":"US","type":"education","lineage":["https://openalex.org/I137902535"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"S.P. Washburn","raw_affiliation_strings":["Department of Animal Science, North Carolina State University, Raleigh 27695-7621, USA. steve_washburn@ncsu.edu","Department of Animal Science, North Carolina State University, Raleigh, 27695-7621"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Animal Science, North Carolina State University, Raleigh 27695-7621, USA. steve_washburn@ncsu.edu","institution_ids":["https://openalex.org/I137902535"]},{"raw_affiliation_string":"Department of Animal Science, North Carolina State University, Raleigh, 27695-7621","institution_ids":["https://openalex.org/I137902535"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5113468834","display_name":"William J. Silvia","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I143302722","display_name":"University of Kentucky","ror":"https://ror.org/02k3smh20","country_code":"US","type":"education","lineage":["https://openalex.org/I143302722"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"W.J. Silvia","raw_affiliation_strings":["Department of Animal Sciences, University of Kentucky, Lexington 40546-0215"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Animal Sciences, University of Kentucky, Lexington 40546-0215","institution_ids":["https://openalex.org/I143302722"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5039573068","display_name":"Charlton Brown","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I137902535","display_name":"North Carolina State University","ror":"https://ror.org/04tj63d06","country_code":"US","type":"education","lineage":["https://openalex.org/I137902535"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"C.H. Brown","raw_affiliation_strings":["Department of Animal Science, North Carolina State University, Raleigh, 27695-7621"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Animal Science, North Carolina State University, Raleigh, 27695-7621","institution_ids":["https://openalex.org/I137902535"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5111855809","display_name":"Ben T. McDaniel","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I137902535","display_name":"North Carolina State University","ror":"https://ror.org/04tj63d06","country_code":"US","type":"education","lineage":["https://openalex.org/I137902535"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"B.T. McDaniel","raw_affiliation_strings":["Department of Animal Science, North Carolina State University, Raleigh, 27695-7621"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Animal Science, North Carolina State University, Raleigh, 27695-7621","institution_ids":["https://openalex.org/I137902535"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5085951915","display_name":"A.J. McAllister","orcid":"https://orcid.org/0000-0002-1451-9263","observed_orcids":["https://orcid.org/0000-0002-1451-9263"]},"institutions":[{"id":"https://openalex.org/I143302722","display_name":"University of Kentucky","ror":"https://ror.org/02k3smh20","country_code":"US","type":"education","lineage":["https://openalex.org/I143302722"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"A.J. McAllister","raw_affiliation_strings":["Department of Animal Sciences, University of Kentucky, Lexington 40546-0215"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Animal Sciences, University of Kentucky, Lexington 40546-0215","institution_ids":["https://openalex.org/I143302722"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":3500,"currency":"USD","value_usd":3500},"apc_paid":null,"fwci":25.189,"has_fulltext":false,"cited_by_count":280,"citation_normalized_percentile":{"value":0.99922857,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":91,"max":100},"biblio":{"volume":"85","issue":"1","first_page":"244","last_page":"251"},"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/T10594","display_name":"Genetic and phenotypic traits in livestock","score":0.030700000002980232,"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":0.0010000000474974513,"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-cow-reproductive-performance","display_name":"dairy cow reproductive performance","score":0.7720000147819519},{"id":"https://openalex.org/keywords/days-open","display_name":"days open","score":0.9879999756813049},{"id":"https://openalex.org/keywords/services-per-conception","display_name":"service per conception","score":0.996999979019165},{"id":"https://openalex.org/keywords/holstein-cattle","display_name":"Holstein cows","score":0.6520000100135803},{"id":"https://openalex.org/keywords/jersey-cattle","display_name":"Jersey cattle","score":1.0},{"id":"https://openalex.org/keywords/breed-differences","display_name":"breed differences","score":0.46799999475479126},{"id":"https://openalex.org/keywords/temporal-trends","display_name":"temporal trends","score":0.7200000286102295},{"id":"https://openalex.org/keywords/days-to-first-service","display_name":"days to first service","score":0.9319999814033508},{"id":"https://openalex.org/keywords/fat-corrected-milk","display_name":"fat-corrected milk","score":0.8659999966621399},{"id":"https://openalex.org/keywords/herd-size","display_name":"herd size","score":0.6970000267028809}],"concepts":[{"id":"https://openalex.org/C194775826","wikidata":"https://www.wikidata.org/wiki/Q209542","display_name":"Herd","level":2,"score":0.7699254751205444},{"id":"https://openalex.org/C140793950","wikidata":"https://www.wikidata.org/wiki/Q168091","display_name":"Animal science","level":1,"score":0.7541082501411438},{"id":"https://openalex.org/C2776482104","wikidata":"https://www.wikidata.org/wiki/Q38829","display_name":"Breed","level":2,"score":0.6456917524337769},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.4306486248970032},{"id":"https://openalex.org/C1998276","wikidata":"https://www.wikidata.org/wiki/Q388121","display_name":"Estrous cycle","level":2,"score":0.42807742953300476},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.32066652178764343}],"mesh":[{"descriptor_ui":"D000818","descriptor_name":"Animals","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D001947","descriptor_name":"Breeding","qualifier_ui":"Q000706","qualifier_name":"statistics & numerical data","is_major_topic":true},{"descriptor_ui":"D002417","descriptor_name":"Cattle","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":true},{"descriptor_ui":"D005260","descriptor_name":"Female","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D007774","descriptor_name":"Lactation","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":true},{"descriptor_ui":"D008892","descriptor_name":"Milk","qualifier_ui":"Q000378","qualifier_name":"metabolism","is_major_topic":false},{"descriptor_ui":"D008892","descriptor_name":"Milk","qualifier_ui":"Q000737","qualifier_name":"chemistry","is_major_topic":false},{"descriptor_ui":"D011247","descriptor_name":"Pregnancy","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D011996","descriptor_name":"Records","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012098","descriptor_name":"Reproduction","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":true},{"descriptor_ui":"D015144","descriptor_name":"Southeastern United States","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D016014","descriptor_name":"Linear Models","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false}],"locations_count":2,"locations":[{"id":"doi:10.3168/jds.s0022-0302(02)74073-3","doi":"https://doi.org/10.3168/jds.s0022-0302(02)74073-3","is_oa":true,"landing_page_url":"https://doi.org/10.3168/jds.s0022-0302(02)74073-3","pdf_url":"https://doi.org/10.3168/jds.s0022-0302(02)74073-3","source":{"id":"https://openalex.org/S28349394","display_name":"Journal of Dairy Science","issn_l":"0022-0302","issn":["0022-0302","1525-3198","1529-9066"],"is_oa":false,"is_in_doaj":true,"is_core":true,"listed_in":["anvur-scientific","cwts-core","doaj","dongbi-a","jufo-3","ki-jl-1","medline","norway-2","oarl","poland-200","vabb-shw"],"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Dairy Science","raw_type":"journal-article"},{"id":"pmid:11860117","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/11860117","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of dairy science","raw_type":"Journal Article"}],"best_oa_location":{"id":"doi:10.3168/jds.s0022-0302(02)74073-3","doi":"https://doi.org/10.3168/jds.s0022-0302(02)74073-3","is_oa":true,"landing_page_url":"https://doi.org/10.3168/jds.s0022-0302(02)74073-3","pdf_url":"https://doi.org/10.3168/jds.s0022-0302(02)74073-3","source":{"id":"https://openalex.org/S28349394","display_name":"Journal of Dairy Science","issn_l":"0022-0302","issn":["0022-0302","1525-3198","1529-9066"],"is_oa":false,"is_in_doaj":true,"is_core":true,"listed_in":["anvur-scientific","cwts-core","doaj","dongbi-a","jufo-3","ki-jl-1","medline","norway-2","oarl","poland-200","vabb-shw"],"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Dairy Science","raw_type":"journal-article"},"sustainable_development_goals":[{"display_name":"Zero hunger","score":0.9208999872207642,"id":"https://metadata.un.org/sdg/2"}],"study_designs":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320332605","display_name":"Agricultural Research Service","ror":"https://ror.org/02d2m2044"}],"has_content":{"pdf":true,"grobid_xml":false},"content_urls":{"pdf":"https://content.openalex.org/works/W2011828558.pdf"},"referenced_works_count":19,"referenced_works":["https://openalex.org/W1822425348","https://openalex.org/W1963527318","https://openalex.org/W1969641198","https://openalex.org/W1989132513","https://openalex.org/W1990597467","https://openalex.org/W2004571614","https://openalex.org/W2050661916","https://openalex.org/W2053453247","https://openalex.org/W2060904896","https://openalex.org/W2063536820","https://openalex.org/W2065067640","https://openalex.org/W2105573595","https://openalex.org/W2120199400","https://openalex.org/W2121212588","https://openalex.org/W2129670362","https://openalex.org/W2140683976","https://openalex.org/W2147960984","https://openalex.org/W2151766232","https://openalex.org/W2944330541"],"related_works":["https://openalex.org/W7100721803","https://openalex.org/W2146433148","https://openalex.org/W2000485134","https://openalex.org/W2155470309","https://openalex.org/W1969641198","https://openalex.org/W7099121504","https://openalex.org/W2081223812","https://openalex.org/W228679051","https://openalex.org/W2044692119","https://openalex.org/W2312197852"],"abstract_inverted_index":{"Trends":[0],"in":[1,15,129,149,176,186,236],"average":[2],"days":[3,66,79,178,216],"open":[4,67,80,107,179],"and":[5,18,46,60,68,81,90,100,117,160,180,203],"services":[6,69,82,145,181,230],"per":[7,70,83,136,182,231],"conception":[8,84,137],"from":[9,22,223],"1976":[10,35,73],"to":[11,36,40,74,110,126,151,172,196,225,247],"1999":[12],"were":[13,32,85,193],"examined":[14],"532":[16],"Holstein":[17],"29":[19],"Jersey":[20],"herds":[21,239],"10":[23],"Southeastern":[24,237],"states.":[25],"Three-year":[26],"averages":[27,77],"for":[28,94,104,115,122,146],"eight":[29],"intervals":[30],"(time)":[31],"calculated":[33],"(first:":[34],"1978;":[37],"eighth:":[38],"1997":[39,125],"1999).":[41],"Milk,":[42],"fat,":[43],"fat-corrected":[44],"milk,":[45],"number":[47,161],"of":[48,54,63,78,162,241],"cows":[49,163],"increased":[50,108,139,199],"across":[51,189],"time.":[52],"Herds":[53],"both":[55,147],"breeds":[56,148],"had":[57,164],"linear,":[58],"quadratic,":[59],"cubic":[61],"effects":[62],"time":[64,133,190],"on":[65],"conception.":[71,232],"For":[72],"1978,":[75],"respective":[76],"122":[86],"+/-":[87,92,97,102,112,119,143],"2.8":[88,113],"d":[89,99,114,121,205],"1.91":[91,101],"0.08":[93],"Jerseys,":[95],"124":[96],"0.7":[98,120],"0.02":[103],"Holsteins.":[105],"Days":[106,195],"nonlinearly":[109],"152":[111],"Jerseys":[116],"168":[118],"Holsteins":[123],"by":[124,200],"1999,":[127,226],"resulting":[128],"a":[130],"breed":[131],"x":[132],"interaction.":[134],"Services":[135],"also":[138],"nonlinearly,":[140],"reaching":[141],"2.94":[142],"0.04":[144],"1994":[150],"1996,":[152],"changing":[153],"only":[154],"slightly":[155],"after":[156],"1996.":[157],"Fat-corrected":[158],"milk":[159],"small":[165],"but":[166,184],"significant":[167],"effects.":[168],"Five":[169],"subregions":[170,192],"(one":[171],"three":[173],"states)":[174],"differed":[175],"mean":[177],"conception,":[183],"changes":[185],"those":[187],"measures":[188],"among":[191],"similar.":[194],"first":[197],"service":[198],"16":[201],"(Holsteins)":[202],"18":[204],"(Jerseys)":[206],"during":[207],"the":[208],"last":[209],"five":[210],"3-yr":[211],"periods,":[212],"associated":[213,227],"with":[214,229],"increasing":[215],"open.":[217],"Estrus":[218],"detection":[219],"rates":[220],"generally":[221],"declined":[222],"1985":[224],"inversely":[228],"Reduced":[233],"reproductive":[234],"performance":[235],"dairy":[238],"is":[240],"concern.":[242],"Multiple":[243],"strategies":[244],"are":[245],"needed":[246],"attenuate":[248],"further":[249],"declines.":[250]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":4},{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":4},{"year":2021,"cited_by_count":5},{"year":2020,"cited_by_count":11},{"year":2019,"cited_by_count":11},{"year":2018,"cited_by_count":9},{"year":2017,"cited_by_count":6},{"year":2016,"cited_by_count":16},{"year":2015,"cited_by_count":16},{"year":2014,"cited_by_count":10},{"year":2013,"cited_by_count":18},{"year":2012,"cited_by_count":17}],"updated_date":"2026-11-07T11:25:07.637180","created_date":"2016-06-24T00:00:00"}