{"id":"https://openalex.org/W2249002575","doi":"https://doi.org/10.2460/javma.1988.192.06.761","title":"Incidence and types of clinical mastitis in dairy herds with high and low somatic cell counts","display_name":"Incidence and types of clinical mastitis in dairy herds with high and low somatic cell counts","publication_year":1988,"publication_date":"1988-03-15","ids":{"openalex":"https://openalex.org/W2249002575","doi":"https://doi.org/10.2460/javma.1988.192.06.761","mag":"2249002575","pmid":"https://pubmed.ncbi.nlm.nih.gov/3281923"},"language":"en","primary_location":{"id":"doi:10.2460/javma.1988.192.06.761","doi":"https://doi.org/10.2460/javma.1988.192.06.761","is_oa":false,"landing_page_url":"https://doi.org/10.2460/javma.1988.192.06.761","pdf_url":null,"source":{"id":"https://openalex.org/S161638509","display_name":"Journal of the American Veterinary Medical Association","issn_l":"0003-1488","issn":["0003-1488","1943-569X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-b","jufo-2","medline","norway-1","poland-100","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4322545313","host_organization_name":"American Veterinary Medical Association","host_organization_lineage":["https://openalex.org/P4322545313"],"host_organization_lineage_names":["American Veterinary Medical Association"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of the American Veterinary Medical Association","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"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/A5017099794","display_name":"Ronald J. Erskine","orcid":"https://orcid.org/0000-0001-8382-5574","observed_orcids":["https://orcid.org/0000-0001-8382-5574"]},"institutions":[{"id":"https://openalex.org/I130769515","display_name":"Pennsylvania State University","ror":"https://ror.org/04p491231","country_code":"US","type":"education","lineage":["https://openalex.org/I130769515"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"R. J. Erskine","raw_affiliation_strings":["From the Departments of Veterinary Science (Erskine, Eberhart, Hutchinson, Campbell) and Dairy and Animal Science (Spencer), College of Agriculture, Pennsylvania State University, University Park, PA 16802","Department of Veterinary Science, College of Agriculture, Pennsylvania State University, University Park 16802"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"From the Departments of Veterinary Science (Erskine, Eberhart, Hutchinson, Campbell) and Dairy and Animal Science (Spencer), College of Agriculture, Pennsylvania State University, University Park, PA 16802","institution_ids":["https://openalex.org/I130769515"]},{"raw_affiliation_string":"Department of Veterinary Science, College of Agriculture, Pennsylvania State University, University Park 16802","institution_ids":["https://openalex.org/I130769515"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5105470350","display_name":"Robert J. Eberhart","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I130769515","display_name":"Pennsylvania State University","ror":"https://ror.org/04p491231","country_code":"US","type":"education","lineage":["https://openalex.org/I130769515"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"R. J. Eberhart","raw_affiliation_strings":["From the Departments of Veterinary Science (Erskine, Eberhart, Hutchinson, Campbell) and Dairy and Animal Science (Spencer), College of Agriculture, Pennsylvania State University, University Park, PA 16802","Pennsylvania State University Hershey"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"From the Departments of Veterinary Science (Erskine, Eberhart, Hutchinson, Campbell) and Dairy and Animal Science (Spencer), College of Agriculture, Pennsylvania State University, University Park, PA 16802","institution_ids":["https://openalex.org/I130769515"]},{"raw_affiliation_string":"Pennsylvania State University Hershey","institution_ids":["https://openalex.org/I130769515"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5112020051","display_name":"Lawrence J. Hutchinson","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I130769515","display_name":"Pennsylvania State University","ror":"https://ror.org/04p491231","country_code":"US","type":"education","lineage":["https://openalex.org/I130769515"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"L. J. Hutchinson","raw_affiliation_strings":["From the Departments of Veterinary Science (Erskine, Eberhart, Hutchinson, Campbell) and Dairy and Animal Science (Spencer), College of Agriculture, Pennsylvania State University, University Park, PA 16802","Pennsylvania State University Hershey"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"From the Departments of Veterinary Science (Erskine, Eberhart, Hutchinson, Campbell) and Dairy and Animal Science (Spencer), College of Agriculture, Pennsylvania State University, University Park, PA 16802","institution_ids":["https://openalex.org/I130769515"]},{"raw_affiliation_string":"Pennsylvania State University Hershey","institution_ids":["https://openalex.org/I130769515"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5059529976","display_name":"S.B. Spencer","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I130769515","display_name":"Pennsylvania State University","ror":"https://ror.org/04p491231","country_code":"US","type":"education","lineage":["https://openalex.org/I130769515"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"S. B. Spencer","raw_affiliation_strings":["From the Departments of Veterinary Science (Erskine, Eberhart, Hutchinson, Campbell) and Dairy and Animal Science (Spencer), College of Agriculture, Pennsylvania State University, University Park, PA 16802","Pennsylvania State University Hershey"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"From the Departments of Veterinary Science (Erskine, Eberhart, Hutchinson, Campbell) and Dairy and Animal Science (Spencer), College of Agriculture, Pennsylvania State University, University Park, PA 16802","institution_ids":["https://openalex.org/I130769515"]},{"raw_affiliation_string":"Pennsylvania State University Hershey","institution_ids":["https://openalex.org/I130769515"]}]},{"author_position":"last","author":{"id":null,"display_name":"M. A. Campbell","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I130769515","display_name":"Pennsylvania State University","ror":"https://ror.org/04p491231","country_code":"US","type":"education","lineage":["https://openalex.org/I130769515"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"M. A. Campbell","raw_affiliation_strings":["From the Departments of Veterinary Science (Erskine, Eberhart, Hutchinson, Campbell) and Dairy and Animal Science (Spencer), College of Agriculture, Pennsylvania State University, University Park, PA 16802","Pennsylvania State University Hershey"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"From the Departments of Veterinary Science (Erskine, Eberhart, Hutchinson, Campbell) and Dairy and Animal Science (Spencer), College of Agriculture, Pennsylvania State University, University Park, PA 16802","institution_ids":["https://openalex.org/I130769515"]},{"raw_affiliation_string":"Pennsylvania State University Hershey","institution_ids":["https://openalex.org/I130769515"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I130769515"],"apc_list":null,"apc_paid":null,"fwci":5.97,"has_fulltext":false,"cited_by_count":176,"citation_normalized_percentile":{"value":0.97051135,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":88,"max":99},"biblio":{"volume":"192","issue":"6","first_page":"761","last_page":"765"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11226","display_name":"Milk Quality and Mastitis in Dairy Cows","score":1.0,"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/T11226","display_name":"Milk Quality and Mastitis in Dairy Cows","score":1.0,"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/T11688","display_name":"Microbial infections and disease research","score":0.0,"subfield":{"id":"https://openalex.org/subfields/2404","display_name":"Microbiology"},"field":{"id":"https://openalex.org/fields/24","display_name":"Immunology and Microbiology"},"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":0.0,"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/clinical-mastitis","display_name":"clinical mastitis","score":0.996999979019165},{"id":"https://openalex.org/keywords/somatic-cell-count","display_name":"somatic cell count","score":0.9369999766349792},{"id":"https://openalex.org/keywords/dairy-cows","display_name":"dairy cattle","score":0.722000002861023},{"id":"https://openalex.org/keywords/streptococcus-agalactiae","display_name":"Streptococcus agalactiae","score":0.9120000004768372},{"id":"https://openalex.org/keywords/staphylococcus-aureus","display_name":"Staphylococcus aureus","score":1.0},{"id":"https://openalex.org/keywords/coliform-bacteria","display_name":"coliform bacteria","score":0.7979999780654907},{"id":"https://openalex.org/keywords/intramammary-infection","display_name":"intramammary infection","score":0.9409999847412109},{"id":"https://openalex.org/keywords/mastitis-incidence","display_name":"mastitis incidence","score":0.8709999918937683},{"id":"https://openalex.org/keywords/seasonal-variation","display_name":"seasonal variation","score":0.5920000076293945}],"concepts":[{"id":"https://openalex.org/C2776344049","wikidata":"https://www.wikidata.org/wiki/Q835061","display_name":"Mastitis","level":2,"score":0.8489590883255005},{"id":"https://openalex.org/C134305767","wikidata":"https://www.wikidata.org/wiki/Q725508","display_name":"Somatic cell","level":3,"score":0.7595371603965759},{"id":"https://openalex.org/C61511704","wikidata":"https://www.wikidata.org/wiki/Q1671857","display_name":"Incidence (geometry)","level":2,"score":0.720352292060852},{"id":"https://openalex.org/C2776792119","wikidata":"https://www.wikidata.org/wiki/Q2917352","display_name":"Somatic cell count","level":5,"score":0.6877338290214539},{"id":"https://openalex.org/C194775826","wikidata":"https://www.wikidata.org/wiki/Q209542","display_name":"Herd","level":2,"score":0.6857150197029114},{"id":"https://openalex.org/C42972112","wikidata":"https://www.wikidata.org/wiki/Q170201","display_name":"Veterinary medicine","level":1,"score":0.42180484533309937},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.3864513635635376},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.34149670600891113},{"id":"https://openalex.org/C89423630","wikidata":"https://www.wikidata.org/wiki/Q7193","display_name":"Microbiology","level":1,"score":0.12758031487464905},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.1028706431388855},{"id":"https://openalex.org/C54355233","wikidata":"https://www.wikidata.org/wiki/Q7162","display_name":"Genetics","level":1,"score":0.10157960653305054},{"id":"https://openalex.org/C2776659692","wikidata":"https://www.wikidata.org/wiki/Q719426","display_name":"Lactation","level":3,"score":0.09926232695579529},{"id":"https://openalex.org/C22641795","wikidata":"https://www.wikidata.org/wiki/Q868757","display_name":"Ice calving","level":4,"score":0.043405681848526},{"id":"https://openalex.org/C2779234561","wikidata":"https://www.wikidata.org/wiki/Q11995","display_name":"Pregnancy","level":2,"score":0.039725542068481445},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C104317684","wikidata":"https://www.wikidata.org/wiki/Q7187","display_name":"Gene","level":2,"score":0.0}],"mesh":[{"descriptor_ui":"D000818","descriptor_name":"Animals","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D002417","descriptor_name":"Cattle","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D002452","descriptor_name":"Cell Count","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D003612","descriptor_name":"Dairying","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D005260","descriptor_name":"Female","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008414","descriptor_name":"Mastitis, Bovine","qualifier_ui":"Q000382","qualifier_name":"microbiology","is_major_topic":false},{"descriptor_ui":"D008414","descriptor_name":"Mastitis, Bovine","qualifier_ui":"Q000453","qualifier_name":"epidemiology","is_major_topic":true},{"descriptor_ui":"D008414","descriptor_name":"Mastitis, Bovine","qualifier_ui":"Q000473","qualifier_name":"pathology","is_major_topic":false},{"descriptor_ui":"D012621","descriptor_name":"Seasons","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D013203","descriptor_name":"Staphylococcal Infections","qualifier_ui":"Q000453","qualifier_name":"epidemiology","is_major_topic":false},{"descriptor_ui":"D013203","descriptor_name":"Staphylococcal Infections","qualifier_ui":"Q000662","qualifier_name":"veterinary","is_major_topic":true},{"descriptor_ui":"D013211","descriptor_name":"Staphylococcus aureus","qualifier_ui":"Q000302","qualifier_name":"isolation & purification","is_major_topic":false},{"descriptor_ui":"D013290","descriptor_name":"Streptococcal Infections","qualifier_ui":"Q000453","qualifier_name":"epidemiology","is_major_topic":false},{"descriptor_ui":"D013290","descriptor_name":"Streptococcal Infections","qualifier_ui":"Q000662","qualifier_name":"veterinary","is_major_topic":true},{"descriptor_ui":"D013292","descriptor_name":"Streptococcus agalactiae","qualifier_ui":"Q000302","qualifier_name":"isolation & purification","is_major_topic":false}],"locations_count":3,"locations":[{"id":"doi:10.2460/javma.1988.192.06.761","doi":"https://doi.org/10.2460/javma.1988.192.06.761","is_oa":false,"landing_page_url":"https://doi.org/10.2460/javma.1988.192.06.761","pdf_url":null,"source":{"id":"https://openalex.org/S161638509","display_name":"Journal of the American Veterinary Medical Association","issn_l":"0003-1488","issn":["0003-1488","1943-569X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-b","jufo-2","medline","norway-1","poland-100","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4322545313","host_organization_name":"American Veterinary Medical Association","host_organization_lineage":["https://openalex.org/P4322545313"],"host_organization_lineage_names":["American Veterinary Medical Association"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of the American Veterinary Medical Association","raw_type":"journal-article"},{"id":"pmid:3281923","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/3281923","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 the American Veterinary Medical Association","raw_type":"Journal Article"},{"id":"mag:2249002575","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/3281923","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":null,"is_accepted":false,"is_published":false,"raw_source_name":"PubMed","raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/3","display_name":"Good health and well-being","score":0.9476000070571899}],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2463064064","https://openalex.org/W2082254013","https://openalex.org/W2073417271","https://openalex.org/W2101489834","https://openalex.org/W4409716109","https://openalex.org/W2163618030","https://openalex.org/W2118039042","https://openalex.org/W243955759","https://openalex.org/W4290430703","https://openalex.org/W1968914445"],"abstract_inverted_index":{"Eighteen":[0],"dairy":[1],"herds":[2,88,140,151,166,183,227,264],"were":[3,52,78,231,257],"studied,":[4],"12":[5],"with":[6,30,75,89,117,141,152,167,184,228,265],"a":[7,31,81],"12-month":[8,32],"Dairy":[9],"Herd":[10],"Improvement":[11],"Association":[12],"herd":[13,64,95],"mean":[14,33,170,190],"somatic":[15],"cell":[16],"count":[17],"(SCC)":[18],"less":[19,134],"than":[20,36,109,135,214],"or":[21],"equal":[22],"to":[23,104,161,178],"150,000":[24],"cells/ml":[25,38],"(low":[26],"SCC)":[27],"and":[28,124,205,218,236,250,261],"6":[29,84],"SCC":[34,154,230],"greater":[35],"700,000":[37],"(high":[39],"SCC).":[40],"At":[41],"the":[42,45,87,139,150,165,182,226,239],"outset":[43],"of":[44,59,83,93,100,111,115,121,128,146,192,247],"study,":[46],"quarter":[47,67],"samples":[48,69],"for":[49,70,80,198,207,225,263],"bacteriologic":[50],"culture":[51,71,96],"collected":[53,79],"(in":[54],"duplicate)":[55],"from":[56,72],"all":[57,60,73,105,112,122,129],"quarters":[58,196],"lactating":[61],"cows":[62,74],"(whole":[63],"culture).":[65],"Subsequently,":[66],"milk":[68],"clinical":[76,147,248,251],"mastitis":[77,148,249,252],"period":[82,241],"months.":[85],"In":[86,164,181],"low":[90,98,153,185,266],"SCC,":[91,169,186],"results":[92],"whole":[94],"revealed":[97],"prevalence":[99],"intramammary":[101],"infection":[102,116,187],"attributable":[103],"major":[106],"pathogens":[107],"(less":[108],"4%":[110],"quarters).":[113],"Prevalence":[114],"Streptococcus":[118],"agalactiae":[119],"(22.2%":[120],"quarters)":[123,130],"Staphylococcus":[125],"aureus":[126],"(6.6%":[127],"was":[131,155,172,200],"significantly":[132],"(P":[133],"0.05)":[136],"higher":[137],"in":[138,149,259],"high":[142,168,229],"SCC.":[143],"Mean":[144],"incidence":[145,171,246],"4.23":[156],"infections/100":[157,174],"cows/month":[158,175],"(range,":[159,176],"0.42":[160],"10.25":[162],"infections).":[163,180],"2.91":[173],"1.33":[177],"3.92":[179],"type,":[188],"as":[189],"percentage":[191],"total":[193],"clinically":[194],"infected":[195],"sampled":[197],"culture/herd,":[199],"0.0%,":[201],"2.2%,":[202],"12.3%,":[203],"43.5%,":[204],"28.6%":[206],"Str":[208,215],"agalactiae,":[209,216],"S":[210],"aureus,":[211],"streptococci":[212],"other":[213],"coliforms,":[217],"organisms":[219],"not":[220],"isolated,":[221],"respectively.":[222],"Respective":[223],"percentages":[224],"41.5%,":[232],"18.3%,":[233],"12.6%,":[234],"8.0%,":[235],"8.8%.":[237],"During":[238],"study":[240],"(from":[242],"April":[243],"through":[244],"January),":[245],"caused":[253],"by":[254],"coliform":[255],"bacteria":[256],"highest":[258],"July":[260],"August":[262],"SCC.(ABSTRACT":[267],"TRUNCATED":[268],"AT":[269],"250":[270],"WORDS)":[271]},"counts_by_year":[{"year":2026,"cited_by_count":6},{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":4},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":5},{"year":2019,"cited_by_count":3},{"year":2018,"cited_by_count":3},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":4},{"year":2015,"cited_by_count":4},{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":3},{"year":2012,"cited_by_count":5}],"updated_date":"2026-11-07T11:25:07.637180","created_date":"2016-06-24T00:00:00"}
