{"id":"https://openalex.org/W2298228535","doi":null,"title":"Relaxin is not associated with poor milk yield in the postpartum sow.","display_name":"Relaxin is not associated with poor milk yield in the postpartum sow.","publication_year":1992,"publication_date":"1992-07-01","ids":{"openalex":"https://openalex.org/W2298228535","mag":"2298228535","pmid":"https://pubmed.ncbi.nlm.nih.gov/1423055","pmcid":"https://www.ncbi.nlm.nih.gov/pmc/articles/1263539"},"language":"en","primary_location":{"id":"pmh:oai:europepmc.org:217505","doi":null,"is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/1263539","pdf_url":null,"source":{"id":"https://openalex.org/S4306400806","display_name":"Europe PMC (PubMed Central)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1303153112","host_organization_name":"European Bioinformatics Institute","host_organization_lineage":["https://openalex.org/I1303153112"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":null,"raw_type":"Text"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["pubmed"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/1263539","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5102449658","display_name":"David G. Porter","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4391768212","display_name":"Ontario Veterinary College","ror":"https://ror.org/04frvgs13","country_code":"CA","type":"education","lineage":["https://openalex.org/I4391768212","https://openalex.org/I79817857"]},{"id":"https://openalex.org/I79817857","display_name":"University of Guelph","ror":"https://ror.org/01r7awg59","country_code":"CA","type":"education","lineage":["https://openalex.org/I79817857"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"D G Porter","raw_affiliation_strings":["Department of Biomedical Sciences, Ontario Veterinary College, University of Guelph"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Biomedical Sciences, Ontario Veterinary College, University of Guelph","institution_ids":["https://openalex.org/I4391768212","https://openalex.org/I79817857"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5070393929","display_name":"Robert M Friendship","orcid":"https://orcid.org/0000-0003-4630-3878","observed_orcids":["https://orcid.org/0000-0003-4630-3878"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"R M Friendship","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5065571119","display_name":"Peter L. Ryan","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"P L Ryan","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5012013251","display_name":"C. Wasnidge","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"C Wasnidge","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":5,"citation_normalized_percentile":{"value":0.24569413,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":93},"biblio":{"volume":"56","issue":"3","first_page":"204","last_page":"7"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12715","display_name":"Pregnancy-related medical research","score":0.9023000001907349,"subfield":{"id":"https://openalex.org/subfields/2729","display_name":"Obstetrics and Gynecology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},"topics":[{"id":"https://openalex.org/T12715","display_name":"Pregnancy-related medical research","score":0.9023000001907349,"subfield":{"id":"https://openalex.org/subfields/2729","display_name":"Obstetrics and Gynecology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10584","display_name":"Reproductive Physiology in Livestock","score":0.042100001126527786,"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/T10748","display_name":"Growth Hormone and Insulin-like Growth Factors","score":0.021900000050663948,"subfield":{"id":"https://openalex.org/subfields/2712","display_name":"Endocrinology, Diabetes and Metabolism"},"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/porcine-relaxin","display_name":"porcine relaxin","score":0.9129999876022339},{"id":"https://openalex.org/keywords/hypogalactia","display_name":"hypogalactia","score":0.8730000257492065},{"id":"https://openalex.org/keywords/sows","display_name":"sows","score":0.6650000214576721},{"id":"https://openalex.org/keywords/milk-yield","display_name":"milk yield","score":0.8500000238418579},{"id":"https://openalex.org/keywords/lactation","display_name":"lactation","score":0.7369999885559082},{"id":"https://openalex.org/keywords/postpartum-period","display_name":"postpartum period","score":0.7879999876022339},{"id":"https://openalex.org/keywords/corpus-luteum","display_name":"corpus luteum","score":0.9599999785423279},{"id":"https://openalex.org/keywords/farrowing","display_name":"farrowing","score":0.6230000257492065},{"id":"https://openalex.org/keywords/suckling-piglets","display_name":"suckling piglets","score":0.7630000114440918}],"concepts":[{"id":"https://openalex.org/C2779885849","wikidata":"https://www.wikidata.org/wiki/Q933949","display_name":"Milking","level":2,"score":0.8735047578811646},{"id":"https://openalex.org/C32611913","wikidata":"https://www.wikidata.org/wiki/Q2166189","display_name":"Titer","level":3,"score":0.8052411079406738},{"id":"https://openalex.org/C138944611","wikidata":"https://www.wikidata.org/wiki/Q1163287","display_name":"Clearance","level":2,"score":0.8007581830024719},{"id":"https://openalex.org/C140793950","wikidata":"https://www.wikidata.org/wiki/Q168091","display_name":"Animal science","level":1,"score":0.6602307558059692},{"id":"https://openalex.org/C3017863008","wikidata":"https://www.wikidata.org/wiki/Q749115","display_name":"Post partum","level":3,"score":0.5551034212112427},{"id":"https://openalex.org/C2776659692","wikidata":"https://www.wikidata.org/wiki/Q719426","display_name":"Lactation","level":3,"score":0.5422923564910889},{"id":"https://openalex.org/C2777121736","wikidata":"https://www.wikidata.org/wiki/Q24773888","display_name":"Relaxin","level":3,"score":0.4918041527271271},{"id":"https://openalex.org/C1998276","wikidata":"https://www.wikidata.org/wiki/Q388121","display_name":"Estrous cycle","level":2,"score":0.46857309341430664},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.4579145014286041},{"id":"https://openalex.org/C134018914","wikidata":"https://www.wikidata.org/wiki/Q162606","display_name":"Endocrinology","level":1,"score":0.3540002703666687},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.30674904584884644},{"id":"https://openalex.org/C2779234561","wikidata":"https://www.wikidata.org/wiki/Q11995","display_name":"Pregnancy","level":2,"score":0.2907049059867859},{"id":"https://openalex.org/C159654299","wikidata":"https://www.wikidata.org/wiki/Q79460","display_name":"Antibody","level":2,"score":0.17371925711631775},{"id":"https://openalex.org/C71315377","wikidata":"https://www.wikidata.org/wiki/Q11364","display_name":"Hormone","level":2,"score":0.15825676918029785},{"id":"https://openalex.org/C203014093","wikidata":"https://www.wikidata.org/wiki/Q101929","display_name":"Immunology","level":1,"score":0.13129398226737976},{"id":"https://openalex.org/C54355233","wikidata":"https://www.wikidata.org/wiki/Q7162","display_name":"Genetics","level":1,"score":0.0},{"id":"https://openalex.org/C126894567","wikidata":"https://www.wikidata.org/wiki/Q105650","display_name":"Urology","level":1,"score":0.0}],"mesh":[{"descriptor_ui":"D000818","descriptor_name":"Animals","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":"D007775","descriptor_name":"Lactation Disorders","qualifier_ui":"Q000097","qualifier_name":"blood","is_major_topic":false},{"descriptor_ui":"D007775","descriptor_name":"Lactation Disorders","qualifier_ui":"Q000662","qualifier_name":"veterinary","is_major_topic":true},{"descriptor_ui":"D012065","descriptor_name":"Relaxin","qualifier_ui":"Q000097","qualifier_name":"blood","is_major_topic":true},{"descriptor_ui":"D012065","descriptor_name":"Relaxin","qualifier_ui":"Q000378","qualifier_name":"metabolism","is_major_topic":false},{"descriptor_ui":"D013552","descriptor_name":"Swine","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D013553","descriptor_name":"Swine Diseases","qualifier_ui":"Q000097","qualifier_name":"blood","is_major_topic":true}],"locations_count":4,"locations":[{"id":"pmh:oai:europepmc.org:217505","doi":null,"is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/1263539","pdf_url":null,"source":{"id":"https://openalex.org/S4306400806","display_name":"Europe PMC (PubMed Central)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1303153112","host_organization_name":"European Bioinformatics Institute","host_organization_lineage":["https://openalex.org/I1303153112"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":null,"raw_type":"Text"},{"id":"pmh:oai:pubmedcentral.nih.gov:1263539","doi":null,"is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/1263539","pdf_url":null,"source":{"id":"https://openalex.org/S2764455111","display_name":"PubMed Central","issn_l":null,"issn":null,"is_oa":true,"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":"Can J Vet Res","raw_type":"Text"},{"id":"pmid:1423055","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/1423055","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":"Canadian journal of veterinary research = Revue canadienne de recherche veterinaire","raw_type":"Journal Article"},{"id":"mag:2298228535","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/1423055","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":{"id":"pmh:oai:europepmc.org:217505","doi":null,"is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/1263539","pdf_url":null,"source":{"id":"https://openalex.org/S4306400806","display_name":"Europe PMC (PubMed Central)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1303153112","host_organization_name":"European Bioinformatics Institute","host_organization_lineage":["https://openalex.org/I1303153112"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":null,"raw_type":"Text"},"sustainable_development_goals":[{"score":0.6875,"id":"https://metadata.un.org/sdg/2","display_name":"Zero hunger"},{"score":0.5683000087738037,"id":"https://metadata.un.org/sdg/3","display_name":"Good health and well-being"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":14,"referenced_works":["https://openalex.org/W1987379593","https://openalex.org/W1988119611","https://openalex.org/W2010547370","https://openalex.org/W2020783984","https://openalex.org/W2042908359","https://openalex.org/W2043970262","https://openalex.org/W2057847600","https://openalex.org/W2062747332","https://openalex.org/W2115672479","https://openalex.org/W2126206405","https://openalex.org/W2126340235","https://openalex.org/W2148056106","https://openalex.org/W2160570399","https://openalex.org/W2161499386"],"related_works":["https://openalex.org/W2126340235","https://openalex.org/W2085728115","https://openalex.org/W2115672479","https://openalex.org/W2062747332","https://openalex.org/W2024322232","https://openalex.org/W1993423216","https://openalex.org/W1967580586","https://openalex.org/W86233991","https://openalex.org/W2153560327","https://openalex.org/W7098836132"],"abstract_inverted_index":{"Porcine":[0],"relaxin":[1],"(pRXN)":[2],"titers":[3,50,74],"were":[4,59],"measured":[5],"in":[6,45,78,120,138],"109":[7],"plasma":[8,48,92],"samples":[9],"drawn":[10],"between":[11,82],"24":[12,56],"and":[13,22,29,81,84],"120":[14,85],"h":[15,57,70],"post-partum":[16,58],"from":[17,30,90],"good":[18],"(n":[19,24,32],"=":[20,25,33],"34),":[21],"poor":[23,135],"25)":[26],"milking":[27],"sows":[28,31,95],"12)":[34],"exhibiting":[35],"overt":[36],"signs":[37],"of":[38,93,105],"hypogalactia":[39,133],"located":[40],"on":[41,156],"six":[42],"swine":[43],"farms":[44],"Ontario.":[46],"Mean":[47],"pRXN":[49,73,87,116,147],"among":[51],"the":[52,72,91,121,125,144],"three":[53],"groups":[54,80],"at":[55,108,151],"not":[60,129],"significantly":[61],"different":[62],"although":[63,115],"there":[64],"was":[65,88],"considerable":[66],"variation.":[67],"By":[68],"48":[69],"however,":[71],"had":[75,102],"declined":[76],"markedly":[77],"all":[79,94],"72":[83],"h,":[86],"cleared":[89],"examined":[96],"except":[97],"one":[98],"hypogalactic":[99],"animal":[100],"that":[101,146],"a":[103],"titer":[104],"1.13":[106],"ng/mL":[107],"96":[109],"h.":[110],"These":[111],"results":[112],"suggest":[113],"that,":[114],"may":[117],"be":[118,149],"identifiable":[119],"corpora":[122],"lutea":[123],"during":[124],"puerperium,":[126],"it":[127],"does":[128],"contribute":[130],"to":[131],"either":[132],"or":[134],"lactational":[136],"performance":[137],"sows.":[139],"The":[140],"data":[141],"also":[142],"encourage":[143],"view":[145],"could":[148],"used":[150],"farrowing":[152],"without":[153],"deleterious":[154],"effects":[155],"suckling.":[157]},"counts_by_year":[{"year":2019,"cited_by_count":1},{"year":2014,"cited_by_count":1},{"year":2012,"cited_by_count":1}],"updated_date":"2026-10-31T12:09:11.096373","created_date":"2016-06-24T00:00:00"}
