{"id":"https://openalex.org/W1998296789","doi":"https://doi.org/10.1111/j.1439-0442.1996.tb00443.x","title":"Evaluation of Additional Acetone and Urea Analyses, and of the Fat\u2010Lactose\u2010Quotient in Cow Milk Samples in the Herd Recording System in Norway","display_name":"Evaluation of Additional Acetone and Urea Analyses, and of the Fat\u2010Lactose\u2010Quotient in Cow Milk Samples in the Herd Recording System in Norway","publication_year":1996,"publication_date":"1996-02-12","ids":{"openalex":"https://openalex.org/W1998296789","doi":"https://doi.org/10.1111/j.1439-0442.1996.tb00443.x","mag":"1998296789","pmid":"https://pubmed.ncbi.nlm.nih.gov/8693841"},"language":"en","primary_location":{"id":"doi:10.1111/j.1439-0442.1996.tb00443.x","doi":"https://doi.org/10.1111/j.1439-0442.1996.tb00443.x","is_oa":false,"landing_page_url":"https://doi.org/10.1111/j.1439-0442.1996.tb00443.x","pdf_url":null,"source":{"id":"https://openalex.org/S4210173256","display_name":"Zentralblatt f\u00fcr Veterin\u00e4rmedizin Reihe A","issn_l":"0177-0543","issn":["0177-0543","0514-7158","0931-184X","1439-0442"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Veterinary Medicine Series A","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["crossref","pubmed"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5044375129","display_name":"Arvid Steen","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"A. Steen","raw_affiliation_strings":["Department of Large Animal Clinical Sciences, Norwegian College of Veterinary Medicine, Oslo, Norway","Department of Large Animal Clinical Sciences, Norwegian College of Veterinary Medicine, Oslo, and Norwegian Dairies Association, \u00e5s, Norway","Department of Large Animal Clinical Sciences, Norwegian College of Veterinary Medicine, PO Box 8146 Dep., N-0033 Oslo"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Large Animal Clinical Sciences, Norwegian College of Veterinary Medicine, Oslo, Norway","institution_ids":[]},{"raw_affiliation_string":"Department of Large Animal Clinical Sciences, Norwegian College of Veterinary Medicine, Oslo, and Norwegian Dairies Association, \u00e5s, Norway","institution_ids":[]},{"raw_affiliation_string":"Department of Large Animal Clinical Sciences, Norwegian College of Veterinary Medicine, PO Box 8146 Dep., N-0033 Oslo","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5002511341","display_name":"Olav \u00d8ster\u00e5s","orcid":"https://orcid.org/0000-0002-1292-592X","observed_orcids":["https://orcid.org/0000-0002-1292-592X"]},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"O. \u00d8Ster\u00e5s","raw_affiliation_strings":["Department of Large Animal Clinical Sciences, Norwegian College of Veterinary Medicine, Oslo, and Norwegian Dairies Association, a\u030as, Norway","Department of Large Animal Clinical Sciences, Norwegian College of Veterinary Medicine, PO Box 8146 Dep., N-0033 Oslo","Norwegian Dairies Association, PO Box 58, N-1430 a\u030as, Norway (Correspondence to A. S teen , N-6290, Harams\u00f8y, Norway)","Department of Large Animal Clinical Sciences, Norwegian College of Veterinary Medicine, Oslo, and Norwegian Dairies Association, \u00e5s, Norway"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Large Animal Clinical Sciences, Norwegian College of Veterinary Medicine, Oslo, and Norwegian Dairies Association, a\u030as, Norway","institution_ids":[]},{"raw_affiliation_string":"Department of Large Animal Clinical Sciences, Norwegian College of Veterinary Medicine, PO Box 8146 Dep., N-0033 Oslo","institution_ids":[]},{"raw_affiliation_string":"Norwegian Dairies Association, PO Box 58, N-1430 a\u030as, Norway (Correspondence to A. S teen , N-6290, Harams\u00f8y, Norway)","institution_ids":[]},{"raw_affiliation_string":"Department of Large Animal Clinical Sciences, Norwegian College of Veterinary Medicine, Oslo, and Norwegian Dairies Association, \u00e5s, Norway","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5004812530","display_name":"Hallstein Gr\u00f8nst\u00f8l","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"H. Gr\u00f8nst\u00f8l","raw_affiliation_strings":["Department of Large Animal Clinical Sciences, Norwegian College of Veterinary Medicine, Oslo, and Norwegian Dairies Association, a\u030as, Norway","Department of Large Animal Clinical Sciences, Norwegian College of Veterinary Medicine, PO Box 8146 Dep., N-0033 Oslo","Norwegian Dairies Association, PO Box 58, N-1430 a\u030as, Norway (Correspondence to A. S teen , N-6290, Harams\u00f8y, Norway)","Department of Large Animal Clinical Sciences, Norwegian College of Veterinary Medicine, Oslo, and Norwegian Dairies Association, \u00e5s, Norway"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Large Animal Clinical Sciences, Norwegian College of Veterinary Medicine, Oslo, and Norwegian Dairies Association, a\u030as, Norway","institution_ids":[]},{"raw_affiliation_string":"Department of Large Animal Clinical Sciences, Norwegian College of Veterinary Medicine, PO Box 8146 Dep., N-0033 Oslo","institution_ids":[]},{"raw_affiliation_string":"Norwegian Dairies Association, PO Box 58, N-1430 a\u030as, Norway (Correspondence to A. S teen , N-6290, Harams\u00f8y, Norway)","institution_ids":[]},{"raw_affiliation_string":"Department of Large Animal Clinical Sciences, Norwegian College of Veterinary Medicine, Oslo, and Norwegian Dairies Association, \u00e5s, Norway","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":["https://openalex.org/A5002511341","https://openalex.org/A5004812530","https://openalex.org/A5044375129"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":34,"citation_normalized_percentile":{"value":0.2455149,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":97},"biblio":{"volume":"43","issue":"1-10","first_page":"181","last_page":"191"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10584","display_name":"Reproductive Physiology in Livestock","score":0.9208999872207642,"subfield":{"id":"https://openalex.org/subfields/1102","display_name":"Agronomy and Crop Science"},"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":0.9208999872207642,"subfield":{"id":"https://openalex.org/subfields/1102","display_name":"Agronomy and Crop Science"},"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/T11226","display_name":"Milk Quality and Mastitis in Dairy Cows","score":0.05220000073313713,"subfield":{"id":"https://openalex.org/subfields/1102","display_name":"Agronomy and Crop Science"},"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":0.004699999932199717,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/subclinical-ketosis","display_name":"subclinical ketosis","score":0.7490000128746033},{"id":"https://openalex.org/keywords/milk-urea-nitrogen","display_name":"milk urea nitrogen","score":0.9340000152587891},{"id":"https://openalex.org/keywords/dairy-cows","display_name":"dairy cattle","score":0.6639999747276306},{"id":"https://openalex.org/keywords/milk-fat","display_name":"milk fat","score":0.656000018119812},{"id":"https://openalex.org/keywords/milk-lactose","display_name":"milk lactose","score":0.9570000171661377},{"id":"https://openalex.org/keywords/milk-protein","display_name":"milk protein","score":0.8650000095367432},{"id":"https://openalex.org/keywords/milk-yield","display_name":"milk yield","score":0.9049999713897705},{"id":"https://openalex.org/keywords/postpartum-period","display_name":"postpartum period","score":0.8320000171661377}],"concepts":[{"id":"https://openalex.org/C2778724459","wikidata":"https://www.wikidata.org/wiki/Q127900","display_name":"Lactose","level":2,"score":0.9272654056549072},{"id":"https://openalex.org/C194775826","wikidata":"https://www.wikidata.org/wiki/Q209542","display_name":"Herd","level":2,"score":0.6595957279205322},{"id":"https://openalex.org/C140793950","wikidata":"https://www.wikidata.org/wiki/Q168091","display_name":"Animal science","level":1,"score":0.6187174320220947},{"id":"https://openalex.org/C2776731943","wikidata":"https://www.wikidata.org/wiki/Q1123139","display_name":"Ketosis","level":3,"score":0.5548179149627686},{"id":"https://openalex.org/C2780365088","wikidata":"https://www.wikidata.org/wiki/Q48318","display_name":"Urea","level":2,"score":0.5516619682312012},{"id":"https://openalex.org/C2776659692","wikidata":"https://www.wikidata.org/wiki/Q719426","display_name":"Lactation","level":3,"score":0.5317128300666809},{"id":"https://openalex.org/C2776792119","wikidata":"https://www.wikidata.org/wiki/Q2917352","display_name":"Somatic cell count","level":5,"score":0.5145906209945679},{"id":"https://openalex.org/C2781213060","wikidata":"https://www.wikidata.org/wiki/Q49546","display_name":"Acetone","level":2,"score":0.4884547293186188},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.4496496319770813},{"id":"https://openalex.org/C3020171069","wikidata":"https://www.wikidata.org/wiki/Q909729","display_name":"Milk fat","level":3,"score":0.4428270757198334},{"id":"https://openalex.org/C2994390833","wikidata":"https://www.wikidata.org/wiki/Q764079","display_name":"Urea nitrogen","level":3,"score":0.4195285737514496},{"id":"https://openalex.org/C31903555","wikidata":"https://www.wikidata.org/wiki/Q1637030","display_name":"Food science","level":1,"score":0.40016183257102966},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.29894447326660156},{"id":"https://openalex.org/C134018914","wikidata":"https://www.wikidata.org/wiki/Q162606","display_name":"Endocrinology","level":1,"score":0.16898107528686523},{"id":"https://openalex.org/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"score":0.148406982421875},{"id":"https://openalex.org/C22641795","wikidata":"https://www.wikidata.org/wiki/Q868757","display_name":"Ice calving","level":4,"score":0.10928329825401306},{"id":"https://openalex.org/C2780306776","wikidata":"https://www.wikidata.org/wiki/Q426660","display_name":"Creatinine","level":2,"score":0.061449259519577026},{"id":"https://openalex.org/C2779234561","wikidata":"https://www.wikidata.org/wiki/Q11995","display_name":"Pregnancy","level":2,"score":0.04863858222961426},{"id":"https://openalex.org/C555293320","wikidata":"https://www.wikidata.org/wiki/Q12206","display_name":"Diabetes mellitus","level":2,"score":0.0},{"id":"https://openalex.org/C54355233","wikidata":"https://www.wikidata.org/wiki/Q7162","display_name":"Genetics","level":1,"score":0.0},{"id":"https://openalex.org/C2778717857","wikidata":"https://www.wikidata.org/wiki/Q818405","display_name":"Linseed oil","level":2,"score":0.0}],"mesh":[{"descriptor_ui":"D000096","descriptor_name":"Acetone","qualifier_ui":"Q000032","qualifier_name":"analysis","is_major_topic":true},{"descriptor_ui":"D000096","descriptor_name":"Acetone","qualifier_ui":"Q000378","qualifier_name":"metabolism","is_major_topic":false},{"descriptor_ui":"D000818","descriptor_name":"Animals","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D002417","descriptor_name":"Cattle","qualifier_ui":"Q000378","qualifier_name":"metabolism","is_major_topic":true},{"descriptor_ui":"D002418","descriptor_name":"Cattle Diseases","qualifier_ui":"Q000175","qualifier_name":"diagnosis","is_major_topic":false},{"descriptor_ui":"D002418","descriptor_name":"Cattle Diseases","qualifier_ui":"Q000378","qualifier_name":"metabolism","is_major_topic":false},{"descriptor_ui":"D002418","descriptor_name":"Cattle Diseases","qualifier_ui":"Q000453","qualifier_name":"epidemiology","is_major_topic":false},{"descriptor_ui":"D005260","descriptor_name":"Female","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D007662","descriptor_name":"Ketosis","qualifier_ui":"Q000175","qualifier_name":"diagnosis","is_major_topic":false},{"descriptor_ui":"D007662","descriptor_name":"Ketosis","qualifier_ui":"Q000378","qualifier_name":"metabolism","is_major_topic":false},{"descriptor_ui":"D007662","descriptor_name":"Ketosis","qualifier_ui":"Q000662","qualifier_name":"veterinary","is_major_topic":false},{"descriptor_ui":"D007774","descriptor_name":"Lactation","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D007785","descriptor_name":"Lactose","qualifier_ui":"Q000032","qualifier_name":"analysis","is_major_topic":true},{"descriptor_ui":"D007785","descriptor_name":"Lactose","qualifier_ui":"Q000378","qualifier_name":"metabolism","is_major_topic":false},{"descriptor_ui":"D008055","descriptor_name":"Lipids","qualifier_ui":"Q000032","qualifier_name":"analysis","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":true},{"descriptor_ui":"D009664","descriptor_name":"Norway","qualifier_ui":"Q000453","qualifier_name":"epidemiology","is_major_topic":false},{"descriptor_ui":"D014508","descriptor_name":"Urea","qualifier_ui":"Q000032","qualifier_name":"analysis","is_major_topic":true},{"descriptor_ui":"D014508","descriptor_name":"Urea","qualifier_ui":"Q000378","qualifier_name":"metabolism","is_major_topic":false},{"descriptor_ui":"D015994","descriptor_name":"Incidence","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D050356","descriptor_name":"Lipid Metabolism","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false}],"locations_count":2,"locations":[{"id":"doi:10.1111/j.1439-0442.1996.tb00443.x","doi":"https://doi.org/10.1111/j.1439-0442.1996.tb00443.x","is_oa":false,"landing_page_url":"https://doi.org/10.1111/j.1439-0442.1996.tb00443.x","pdf_url":null,"source":{"id":"https://openalex.org/S4210173256","display_name":"Zentralblatt f\u00fcr Veterin\u00e4rmedizin Reihe A","issn_l":"0177-0543","issn":["0177-0543","0514-7158","0931-184X","1439-0442"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Veterinary Medicine Series A","raw_type":"journal-article"},{"id":"pmid:8693841","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/8693841","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":"Zentralblatt fur Veterinarmedizin. Reihe A","raw_type":"Journal Article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/2","display_name":"Zero hunger","score":0.958299994468689}],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":10,"referenced_works":["https://openalex.org/W183578986","https://openalex.org/W934216984","https://openalex.org/W1968632832","https://openalex.org/W1971257400","https://openalex.org/W1999454317","https://openalex.org/W2012212639","https://openalex.org/W2062886984","https://openalex.org/W2066262911","https://openalex.org/W2439485002","https://openalex.org/W4233498267"],"related_works":["https://openalex.org/W1990201843","https://openalex.org/W2751087756","https://openalex.org/W1995339682","https://openalex.org/W2033344823","https://openalex.org/W7099098604","https://openalex.org/W2316351502","https://openalex.org/W2058453466","https://openalex.org/W3087186835","https://openalex.org/W1981690997","https://openalex.org/W4405335538"],"abstract_inverted_index":{"The":[0,81],"purpose":[1],"of":[2,10,85,136],"this":[3],"study":[4],"was":[5,64,111,143],"to":[6,16,146,152,184],"evaluate":[7],"the":[8,17],"use":[9],"additional":[11],"acetone":[12,54,69,86,124,165],"and":[13,25,60,71,89,99,108,120,127,149,158,169,175],"urea":[14],"analyses":[15],"established":[18],"herd":[19,76],"recording":[20],"system":[21],"(protein,":[22],"fat,":[23],"lactose,":[24],"somatic":[26],"cell":[27],"count)":[28],"in":[29,44,75,92,114,121,123,181],"cow":[30],"milk":[31,104,109,141,147,153,159,170],"samples":[32],"every":[33],"second":[34],"month.":[35],"Samples":[36],"were":[37,51,91,101,172],"obtained":[38,132],"from":[39],"43/82":[40],"herds":[41,115],"(800/1368":[42],"cows)":[43],"a":[45,176,182],"lowland/highland":[46],"area.":[47],"Acetone":[48],"concentration":[49,161],"(mmol/l)":[50],"classified":[52],"into":[53],"classes":[55,87,125],"1":[56],"(<0.7);":[57],"2":[58,88,126],"(0.7-1.4);":[59],"3":[61,90],"(>1.4).":[62],"There":[63],"an":[65],"association":[66],"between":[67],"increasing":[68,72,164],"class":[70],"ketosis":[73,118,188],"incidence":[74,119],"(Kendall's":[77],"Tau-b":[78],"=":[79],"0.13).":[80],"highest":[82],"percentage":[83],"frequencies":[84],"weeks":[93],"4-6":[94],"postpartum.":[95],"Milk":[96,155,167],"yield,":[97],"urea,":[98],"lactose":[100,171],"significantly":[102,112],"lower;":[103],"protein":[105,142],"not":[106],"different,":[107],"fat":[110,160,168],"higher":[113],"with":[116,163],"high":[117],"cows":[122],"3.":[128],"General":[129],"linear":[130],"models,":[131],"by":[133],"backward":[134],"elimination":[135],"non-significant":[137],"variables,":[138],"showed":[139],"that":[140],"negatively":[144,173],"associated":[145,151],"yield":[148,156],"positively":[150],"fat.":[154],"decreased,":[157],"increased":[162],"level.":[166],"associated,":[174],"fat-lactose-quotient":[177],"might":[178],"be":[179],"promising":[180],"model":[183],"rule":[185],"out":[186],"subclinical":[187],"cows.":[189]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":4},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":3},{"year":2018,"cited_by_count":2},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":2},{"year":2014,"cited_by_count":3},{"year":2013,"cited_by_count":3}],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2016-06-24T00:00:00"}