{"id":"https://openalex.org/W4245328547","doi":"https://doi.org/10.15547/tjs.2015.02.007","title":"Colour Traits Of Chicken Eggs With Different Eggshell Pigmentation","display_name":"Colour Traits Of Chicken Eggs With Different Eggshell Pigmentation","publication_year":2015,"publication_date":"2015-01-01","ids":{"openalex":"https://openalex.org/W4245328547","doi":"https://doi.org/10.15547/tjs.2015.02.007","mag":"2556662985"},"language":"en","primary_location":{"id":"doi:10.15547/tjs.2015.02.007","doi":"https://doi.org/10.15547/tjs.2015.02.007","is_oa":true,"landing_page_url":"https://doi.org/10.15547/tjs.2015.02.007","pdf_url":"https://doi.org/10.15547/tjs.2015.02.007","source":{"id":"https://openalex.org/S2764392677","display_name":"Trakia Journal of Sciences","issn_l":"1312-1723","issn":["1312-1723","1313-3551"],"is_oa":true,"is_in_doaj":true,"is_core":false,"listed_in":["doaj"],"host_organization":"https://openalex.org/P4310314736","host_organization_name":"Trakia University","host_organization_lineage":["https://openalex.org/P4310314736"],"host_organization_lineage_names":["Trakia University"],"type":"journal"},"license":"cc-by-nc","license_id":"https://openalex.org/licenses/cc-by-nc","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Trakia Journal of Science","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"diamond","oa_url":"https://doi.org/10.15547/tjs.2015.02.007","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5063511041","display_name":"Hristo Lukanov","orcid":"https://orcid.org/0000-0002-9580-5834","observed_orcids":["https://orcid.org/0000-0002-9580-5834"]},"institutions":[{"id":"https://openalex.org/I173112312","display_name":"Trakia University","ror":"https://ror.org/04p2cym91","country_code":"BG","type":"education","lineage":["https://openalex.org/I173112312"]}],"countries":["BG"],"is_corresponding":false,"raw_author_name":"H. Lukanov","raw_affiliation_strings":["Faculty of Agriculture, Trakia University, Stara Zagora, Bulgaria"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculty of Agriculture, Trakia University, Stara Zagora, Bulgaria","institution_ids":["https://openalex.org/I173112312"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5115661685","display_name":"\u0410\u0442\u0430\u043d\u0430\u0441 \u0413\u0435\u043d\u0447\u0435\u0432","orcid":"https://orcid.org/0000-0002-9057-3093","observed_orcids":["https://orcid.org/0000-0002-9057-3093"]},"institutions":[{"id":"https://openalex.org/I173112312","display_name":"Trakia University","ror":"https://ror.org/04p2cym91","country_code":"BG","type":"education","lineage":["https://openalex.org/I173112312"]}],"countries":["BG"],"is_corresponding":false,"raw_author_name":"A. Genchev","raw_affiliation_strings":["Faculty of Agriculture, Trakia University, Stara Zagora, Bulgaria"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculty of Agriculture, Trakia University, Stara Zagora, Bulgaria","institution_ids":["https://openalex.org/I173112312"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5011869116","display_name":"Alexandr V. Pavlov","orcid":"https://orcid.org/0000-0003-0182-3095","observed_orcids":["https://orcid.org/0000-0003-0182-3095"]},"institutions":[{"id":"https://openalex.org/I173112312","display_name":"Trakia University","ror":"https://ror.org/04p2cym91","country_code":"BG","type":"education","lineage":["https://openalex.org/I173112312"]}],"countries":["BG"],"is_corresponding":false,"raw_author_name":"A. Pavlov","raw_affiliation_strings":["Faculty of Veterinary Medicine, Trakia University, Stara Zagora, Bulgaria"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculty of Veterinary Medicine, Trakia University, Stara Zagora, Bulgaria","institution_ids":["https://openalex.org/I173112312"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I173112312"],"apc_list":null,"apc_paid":null,"fwci":1.3522,"has_fulltext":true,"cited_by_count":23,"citation_normalized_percentile":{"value":0.78668507,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":87,"max":99},"biblio":{"volume":"13","issue":"2","first_page":"149","last_page":"158"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10333","display_name":"Meat and Animal Product Quality","score":0.37619999051094055,"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/T10333","display_name":"Meat and Animal Product Quality","score":0.37619999051094055,"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/T11666","display_name":"Color Science and Applications","score":0.19679999351501465,"subfield":{"id":"https://openalex.org/subfields/3107","display_name":"Atomic and Molecular Physics, and Optics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10594","display_name":"Genetic and phenotypic traits in livestock","score":0.11900000274181366,"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/eggshell-color","display_name":"eggshell color","score":0.8619999885559082},{"id":"https://openalex.org/keywords/eggshell-pigmentation","display_name":"eggshell pigmentation","score":0.9340000152587891},{"id":"https://openalex.org/keywords/chicken-breeds","display_name":"chicken breeds","score":0.753000020980835},{"id":"https://openalex.org/keywords/brown-eggs","display_name":"brown eggs","score":0.4230000078678131},{"id":"https://openalex.org/keywords/spectrophotometry","display_name":"spectrophotometry","score":0.6779999732971191},{"id":"https://openalex.org/keywords/hue-angle","display_name":"hue angle","score":0.6579999923706055},{"id":"https://openalex.org/keywords/color-intensity","display_name":"color intensity","score":0.8289999961853027}],"concepts":[{"id":"https://openalex.org/C195973872","wikidata":"https://www.wikidata.org/wiki/Q2731253","display_name":"Eggshell","level":2,"score":0.8922684192657471},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.6076333522796631},{"id":"https://openalex.org/C31903555","wikidata":"https://www.wikidata.org/wiki/Q1637030","display_name":"Food science","level":1,"score":0.47970861196517944},{"id":"https://openalex.org/C90856448","wikidata":"https://www.wikidata.org/wiki/Q431","display_name":"Zoology","level":1,"score":0.3990621864795685},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.12581369280815125}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.15547/tjs.2015.02.007","doi":"https://doi.org/10.15547/tjs.2015.02.007","is_oa":true,"landing_page_url":"https://doi.org/10.15547/tjs.2015.02.007","pdf_url":"https://doi.org/10.15547/tjs.2015.02.007","source":{"id":"https://openalex.org/S2764392677","display_name":"Trakia Journal of Sciences","issn_l":"1312-1723","issn":["1312-1723","1313-3551"],"is_oa":true,"is_in_doaj":true,"is_core":false,"listed_in":["doaj"],"host_organization":"https://openalex.org/P4310314736","host_organization_name":"Trakia University","host_organization_lineage":["https://openalex.org/P4310314736"],"host_organization_lineage_names":["Trakia University"],"type":"journal"},"license":"cc-by-nc","license_id":"https://openalex.org/licenses/cc-by-nc","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Trakia Journal of Science","raw_type":"journal-article"},{"id":"mag:2556662985","doi":null,"is_oa":false,"landing_page_url":"http://tru.uni-sz.bg/tsj/Vol.%2013,%20N%202,%202015/H.Lukanov.pdf","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null}],"best_oa_location":{"id":"doi:10.15547/tjs.2015.02.007","doi":"https://doi.org/10.15547/tjs.2015.02.007","is_oa":true,"landing_page_url":"https://doi.org/10.15547/tjs.2015.02.007","pdf_url":"https://doi.org/10.15547/tjs.2015.02.007","source":{"id":"https://openalex.org/S2764392677","display_name":"Trakia Journal of Sciences","issn_l":"1312-1723","issn":["1312-1723","1313-3551"],"is_oa":true,"is_in_doaj":true,"is_core":false,"listed_in":["doaj"],"host_organization":"https://openalex.org/P4310314736","host_organization_name":"Trakia University","host_organization_lineage":["https://openalex.org/P4310314736"],"host_organization_lineage_names":["Trakia University"],"type":"journal"},"license":"cc-by-nc","license_id":"https://openalex.org/licenses/cc-by-nc","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Trakia Journal of Science","raw_type":"journal-article"},"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":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4245328547.pdf","grobid_xml":"https://content.openalex.org/works/W4245328547.grobid-xml"},"referenced_works_count":12,"referenced_works":["https://openalex.org/W93907267","https://openalex.org/W1031740273","https://openalex.org/W1999341805","https://openalex.org/W2031293012","https://openalex.org/W2105877695","https://openalex.org/W2148469222","https://openalex.org/W2155769519","https://openalex.org/W2157854546","https://openalex.org/W2160841151","https://openalex.org/W2182283007","https://openalex.org/W2186737367","https://openalex.org/W2339701263"],"related_works":["https://openalex.org/W2556662985","https://openalex.org/W4408545444","https://openalex.org/W7128473507","https://openalex.org/W4225248648","https://openalex.org/W4413832177","https://openalex.org/W4324334816","https://openalex.org/W2357213534","https://openalex.org/W2100729876","https://openalex.org/W4414583057","https://openalex.org/W3157435644"],"abstract_inverted_index":{"The":[0],"study":[1],"was":[2,120],"carried":[3],"out":[4],"with":[5,18,183,214,219],"11":[6],"purebred":[7],"groups":[8],"of":[9,14,31,41,113,127,186,198],"chickens":[10],"at":[11],"48":[12],"weeks":[13],"age,":[15],"laying":[16],"eggs":[17,76,83,128,182,218],"white,":[19],"tint,":[20],"blue-green":[21,109],"and":[22,44,55,59,89,100,104,152,206],"brown":[23,81,97,151,166],"shell":[24,139],"pigmentation":[25,185],"to":[26,77,95,201,209],"investigate":[27],"the":[28,34,39,111,114,125,132,137,187,202,207],"colour":[29,37,57,62,116,126,140,147,196],"characteristics":[30],"eggshells":[32,199],"in":[33,74,79,124,150,181,217],"CIE":[35],"L*a*b*":[36],"system.On":[38],"basis":[40],"L*,":[42],"a*":[43,56,85,115],"b*":[45,54,105],"values,":[46],"\u0421*":[47],"(Chroma),":[48],"Hue":[49,189],"o":[50],"(the":[51],"angle":[52,191],"between":[53,87],"coordinates)":[58],"SCI":[60,170],"(eggshell":[61],"index)":[63],"values":[64,67,86,106,112,155,164,171,212],"were":[65,107,118],"calculated.L*":[66],"decreased":[68],"statistically":[69],"significantly":[70],"(\u0420<0.001)":[71],"from":[72,93],"92.7":[73],"white-shelled":[75,174],"40.2":[78],"dark":[80,96],"eggs.Brown":[82],"had":[84],"1.9":[88],"22.5,":[90],"which":[91],"increased":[92],"cream-coloured":[94],"shells.In":[98],"bluegreen":[99],"tinted":[101],"eggs,":[102,110],"L*":[103],"similar.In":[108],"coordinate":[117],"negative.There":[119],"a":[121],"substantial":[122],"variation":[123],"not":[129,193],"only":[130,149],"within":[131,136],"groups,":[133],"but":[134,213],"also":[135],"breed.The":[138],"index":[141],"(SCI)":[142],"is":[143,177,192],"suitable":[144,194],"for":[145,165,179,195],"reliable":[146],"identification":[148],"non-pigmented":[153],"eggs.SCI":[154],"lower":[156],"than":[157],"70":[158],"could":[159],"be":[160],"recommended":[161],"as":[162],"reference":[163],"pigmented":[167],"shells":[168],"whereas":[169],"over":[172],"85for":[173],"eggs.Spectrophotometric":[175],"analysis":[176,197],"appropriate":[178],"use":[180],"uniform":[184],"shell.The":[188],"\u043e":[190],"due":[200],"extremely":[203],"large":[204],"variations":[205],"possibility":[208],"obtain":[210],"similar":[211,220],"different":[215],"sign":[216],"colour.":[221]},"counts_by_year":[{"year":2026,"cited_by_count":6},{"year":2025,"cited_by_count":4},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":3},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":1},{"year":2017,"cited_by_count":2},{"year":2016,"cited_by_count":1}],"updated_date":"2026-11-13T13:42:25.865203","created_date":"2022-05-12T00:00:00"}