{"id":"https://openalex.org/W1480740202","doi":null,"title":"Potential accuracy of genetic evaluation for calving difficulty with incomplete data on calving difficulty and/or birth weight using a bivariate threshold-linear animal model.","display_name":"Potential accuracy of genetic evaluation for calving difficulty with incomplete data on calving difficulty and/or birth weight using a bivariate threshold-linear animal model.","publication_year":2001,"publication_date":"2001-01-01","ids":{"openalex":"https://openalex.org/W1480740202","mag":"1480740202","pmid":"https://pubmed.ncbi.nlm.nih.gov/14564039"},"language":"en","primary_location":{"id":"pmid:14564039","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/14564039","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 applied genetics","raw_type":"Journal Article"},"volume":null,"type":"article","indexed_in":["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/A5077307013","display_name":"Rodolfo Ram\u00edrez\u2010Valverde","orcid":"https://orcid.org/0000-0002-3185-8494","observed_orcids":["https://orcid.org/0000-0002-3185-8494"]},"institutions":[{"id":"https://openalex.org/I165733156","display_name":"University of Georgia","ror":"https://ror.org/00te3t702","country_code":"US","type":"education","lineage":["https://openalex.org/I165733156"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"R Ramirez-Valverde","raw_affiliation_strings":["Animal and Dairy Science Department, University of Georgia, Athens 30602, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Animal and Dairy Science Department, University of Georgia, Athens 30602, USA","institution_ids":["https://openalex.org/I165733156"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5037292871","display_name":"I. Misztal","orcid":"https://orcid.org/0000-0002-0382-1897","observed_orcids":["https://orcid.org/0000-0002-0382-1897"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"I Misztal","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":null,"display_name":"K Bertrand","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"K Bertrand","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.1805,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.51661877,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"42","issue":"3","first_page":"325","last_page":"33"},"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":0.9994999766349792,"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":0.9994999766349792,"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/T10584","display_name":"Reproductive Physiology in Livestock","score":9.999999747378752e-05,"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/T11229","display_name":"Genetics and Plant Breeding","score":0.0,"subfield":{"id":"https://openalex.org/subfields/1110","display_name":"Plant 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"}}],"keywords":[{"id":"https://openalex.org/keywords/calving-difficulty","display_name":"calving difficulty","score":0.9980000257492065},{"id":"https://openalex.org/keywords/birth-weight","display_name":"birth weight","score":0.9879999756813049},{"id":"https://openalex.org/keywords/genetic-evaluation","display_name":"genetic evaluation","score":0.6690000295639038},{"id":"https://openalex.org/keywords/missing-data","display_name":"missing data","score":0.7440000176429749},{"id":"https://openalex.org/keywords/direct-and-maternal-genetic-effects","display_name":"direct and maternal genetic effects","score":0.7960000038146973},{"id":"https://openalex.org/keywords/genetic-correlation","display_name":"genetic correlation","score":0.4169999957084656}],"concepts":[{"id":"https://openalex.org/C64341305","wikidata":"https://www.wikidata.org/wiki/Q4919225","display_name":"Bivariate analysis","level":2,"score":0.8037996292114258},{"id":"https://openalex.org/C22641795","wikidata":"https://www.wikidata.org/wiki/Q868757","display_name":"Ice calving","level":4,"score":0.730651319026947},{"id":"https://openalex.org/C9357733","wikidata":"https://www.wikidata.org/wiki/Q6878417","display_name":"Missing data","level":2,"score":0.6948068141937256},{"id":"https://openalex.org/C194775826","wikidata":"https://www.wikidata.org/wiki/Q209542","display_name":"Herd","level":2,"score":0.690087080001831},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.6253190040588379},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.5606654286384583},{"id":"https://openalex.org/C2780505807","wikidata":"https://www.wikidata.org/wiki/Q1208989","display_name":"Beef cattle","level":2,"score":0.5154086351394653},{"id":"https://openalex.org/C2777151079","wikidata":"https://www.wikidata.org/wiki/Q141160","display_name":"Parity (physics)","level":2,"score":0.5121605396270752},{"id":"https://openalex.org/C140793950","wikidata":"https://www.wikidata.org/wiki/Q168091","display_name":"Animal science","level":1,"score":0.484190970659256},{"id":"https://openalex.org/C168743327","wikidata":"https://www.wikidata.org/wiki/Q1826427","display_name":"Random effects model","level":3,"score":0.43617263436317444},{"id":"https://openalex.org/C103545067","wikidata":"https://www.wikidata.org/wiki/Q796265","display_name":"Best linear unbiased prediction","level":3,"score":0.42616838216781616},{"id":"https://openalex.org/C163175372","wikidata":"https://www.wikidata.org/wiki/Q3339222","display_name":"Linear model","level":2,"score":0.41173624992370605},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3581066131591797},{"id":"https://openalex.org/C149923435","wikidata":"https://www.wikidata.org/wiki/Q37732","display_name":"Demography","level":1,"score":0.34888190031051636},{"id":"https://openalex.org/C2776659692","wikidata":"https://www.wikidata.org/wiki/Q719426","display_name":"Lactation","level":3,"score":0.20404917001724243},{"id":"https://openalex.org/C2779234561","wikidata":"https://www.wikidata.org/wiki/Q11995","display_name":"Pregnancy","level":2,"score":0.19482815265655518},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.19179242849349976},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.16692352294921875},{"id":"https://openalex.org/C95190672","wikidata":"https://www.wikidata.org/wiki/Q815382","display_name":"Meta-analysis","level":2,"score":0.13646963238716125},{"id":"https://openalex.org/C54355233","wikidata":"https://www.wikidata.org/wiki/Q7162","display_name":"Genetics","level":1,"score":0.12985605001449585},{"id":"https://openalex.org/C81917197","wikidata":"https://www.wikidata.org/wiki/Q628760","display_name":"Selection (genetic algorithm)","level":2,"score":0.08459979295730591},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.0},{"id":"https://openalex.org/C109214941","wikidata":"https://www.wikidata.org/wiki/Q18334","display_name":"Particle physics","level":1,"score":0.0},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.0},{"id":"https://openalex.org/C144024400","wikidata":"https://www.wikidata.org/wiki/Q21201","display_name":"Sociology","level":0,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"pmid:14564039","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/14564039","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 applied genetics","raw_type":"Journal Article"},{"id":"mag:1480740202","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/14564039","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":[{"score":0.6875,"display_name":"Zero hunger","id":"https://metadata.un.org/sdg/2"}],"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/W1527678957","https://openalex.org/W2049590684","https://openalex.org/W229511817","https://openalex.org/W120267972","https://openalex.org/W6981930906","https://openalex.org/W3141632952","https://openalex.org/W2345631790","https://openalex.org/W1575626233","https://openalex.org/W7010011950","https://openalex.org/W2087073026"],"abstract_inverted_index":{"The":[0,60,67,141,166,234],"purpose":[1],"of":[2,11,28,31,82,100,131,138,175,196,218,228,249],"this":[3],"study":[4],"was":[5,168],"to":[6,122],"evaluate":[7],"the":[8,46,124,145,160,197,238],"potential":[9],"loss":[10],"accuracy":[12],"in":[13,105,126],"direct":[14,76,148,186],"and":[15,57,74,77,87,98,117,149,183,187],"maternal":[16,78,150,188],"predicted":[17,208],"breeding":[18],"values":[19],"(PBV)":[20],"for":[21,85,102,112,128,185,245],"calving":[22],"difficulty":[23],"(CD)":[24],"with":[25,54,115,209,251],"different":[26,129],"levels":[27,81,130],"missing":[29,83,132,192,229],"records":[30,53,101,155,177,201,230],"CD":[32,56,86,113,154,176,198,250],"and/or":[33],"birth":[34],"weight":[35],"(BW),":[36],"using":[37],"a":[38,172,210,225],"bivariate":[39,239],"threshold-linear":[40,240],"animal":[41,75,241],"model.":[42],"Data":[43],"obtained":[44,90,114],"from":[45],"American":[47],"Gelbvieh":[48],"Association":[49],"included":[50,64,69],"84,420":[51],"first-parity":[52],"both":[55,103],"BW":[58,88,164,200],"available.":[59],"final":[61],"pedigree":[62],"file":[63],"178,858":[65],"animals.":[66],"model":[68,242],"fixed":[70],"calf-sex-dam-age,":[71],"random":[72],"herd-year-season,":[73],"effects.":[79],"Different":[80],"observations":[84],"were":[89,120,178],"by":[91,153,163],"randomly":[92],"deleting":[93],"0,":[94],"25,":[95],"50,":[96],"75,":[97],"100%":[99],"traits":[104],"various":[106],"combinations.":[107],"Correlation":[108],"estimates":[109],"between":[110],"PBV":[111,127,151],"complete":[116],"incomplete":[118,213,252],"data":[119],"used":[121],"measure":[123],"changes":[125,205],"records.":[133,165],"Reported":[134],"correlations":[135],"are":[136],"means":[137],"three":[139],"replicates.":[140],"results":[142,235],"suggest":[143,202,236],"that":[144,203,237],"information":[146,161],"on":[147],"provided":[152,162],"is":[156,243],"more":[157],"reliable":[158],"than":[159],"difference":[167],"especially":[169],"large":[170],"when":[171,191],"high":[173],"proportion":[174,212,227],"missing.":[179],"Correlations":[180],"above":[181],"0.96":[182],"0.95":[184],"PBV,":[189],"respectively,":[190],"25%":[193],"or":[194,199],"0%":[195],"small":[204],"would":[206],"be":[207,232],"low":[211],"data.":[214,254],"For":[215],"genetic":[216,247],"prediction":[217],"popular":[219],"sires":[220],"(with":[221],">":[222],"100":[223],"pogeny),":[224],"higher":[226],"could":[231],"tolerated.":[233],"useful":[244],"routine":[246],"evaluation":[248],"field":[253]},"counts_by_year":[],"updated_date":"2026-10-14T16:39:01.820549","created_date":"2016-06-24T00:00:00"}