{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,27]],"date-time":"2026-10-27T15:33:00Z","timestamp":1793115180695,"version":"4.5.0"},"reference-count":28,"publisher":"Elsevier BV","issue":"12","license":[{"start":{"date-parts":[[2026,12,1]],"date-time":"2026-12-01T00:00:00Z","timestamp":1796083200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2026,12,1]],"date-time":"2026-12-01T00:00:00Z","timestamp":1796083200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"},{"start":{"date-parts":[[2026,8,19]],"date-time":"2026-08-19T00:00:00Z","timestamp":1787097600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["Poultry Science"],"published-print":{"date-parts":[[2026,12]]},"DOI":"10.1016\/j.psj.2026.107667","type":"journal-article","created":{"date-parts":[[2026,8,20]],"date-time":"2026-08-20T15:07:29Z","timestamp":1787238449000},"page":"107667","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":0,"title":["Variation in oxytocin receptor DNA methylation in female chickens are associated with age, genetics, laying intensity, and housing conditions"],"prefix":"10.1016","volume":"105","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-8230-8038","authenticated-orcid":false,"given":"Claudia","family":"Klein","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5670-2808","authenticated-orcid":false,"given":"Steffen","family":"Weigend","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Christian","family":"Reimer","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"78","reference":[{"key":"10.1016\/j.psj.2026.107667_bib0001","doi-asserted-by":"crossref","unstructured":"Baxter, M. R. 1994. The welfare problems of laying hens in battery cages. Vet. Rec. 134:614-619. 0.1136\/vr.134.24.614.","DOI":"10.1136\/vr.134.24.614"},{"key":"10.1016\/j.psj.2026.107667_bib0002","doi-asserted-by":"crossref","first-page":"710","DOI":"10.1002\/ajmg.b.31028","article-title":"Methylation at SLC6A4 is linked to family history of child abuse: an examination of the Iowa Adoptee sample","volume":"153B","author":"Beach","year":"2010","journal-title":"Am. J. Med. Genet. B Neuropsychiatr. Genet."},{"key":"10.1016\/j.psj.2026.107667_bib0003","doi-asserted-by":"crossref","first-page":"259","DOI":"10.1007\/s13237-021-00367-y","article-title":"DNA methylation and regulation of gene expression: Guardian of our health","volume":"64","author":"Dhar","year":"2021","journal-title":"Nucleus. (Calcutta)"},{"key":"10.1016\/j.psj.2026.107667_bib0004","doi-asserted-by":"crossref","DOI":"10.1038\/s41598-026-40562-y","article-title":"In ovo sexing and genotyping using PCR techniques: a contribution to the 3R principles in chicken breeding","volume":"16","author":"Dierks","year":"2026","journal-title":"Sci. Rep."},{"key":"10.1016\/j.psj.2026.107667_bib0005","doi-asserted-by":"crossref","first-page":"2000","DOI":"10.3389\/fpsyg.2018.02000","article-title":"More than eggs - relationship between productivity and learning in laying hens","volume":"9","author":"Dudde","year":"2018","journal-title":"Front. Psychol."},{"key":"10.1016\/j.psj.2026.107667_bib0006","doi-asserted-by":"crossref","DOI":"10.1038\/tp.2017.171","article-title":"BECon: a tool for interpreting DNA methylation findings from blood in the context of brain","volume":"7","author":"Edgar","year":"2017","journal-title":"Transl. Psychiatry"},{"key":"10.1016\/j.psj.2026.107667_bib0007","doi-asserted-by":"crossref","first-page":"2045","DOI":"10.1038\/s41386-019-0414-8","article-title":"Oxytocin receptor DNA methylation and alterations of brain volumes in maltreated children","volume":"44","author":"Fujisawa","year":"2019","journal-title":"Neuropsychopharmacology"},{"key":"10.1016\/j.psj.2026.107667_bib0008","doi-asserted-by":"crossref","first-page":"307","DOI":"10.1016\/j.jad.2024.08.148","article-title":"Relationships between serotonin 1A receptor DNA methylation, self-reported history of childhood abuse and gray matter volume in major depression","volume":"367","author":"Goldenthal","year":"2024","journal-title":"J. Affect. Disord."},{"key":"10.1016\/j.psj.2026.107667_bib0009","doi-asserted-by":"crossref","DOI":"10.1016\/j.cbd.2020.100700","article-title":"DNA methylation variation in the brain of laying hens in relation to differential behavioral patterns","volume":"35","author":"Guerrero-Bosagna","year":"2020","journal-title":"Comp. Biochem. Physiol. Part D. Genomics. Proteomics."},{"key":"10.1016\/j.psj.2026.107667_bib0010","doi-asserted-by":"crossref","DOI":"10.1016\/j.beproc.2023.104904","article-title":"Coup in the coop: Rank changes in chicken dominance hierarchies over maturation","volume":"210","author":"Grethen","year":"2023","journal-title":"Behav. Processes."},{"key":"10.1016\/j.psj.2026.107667_bib0011","doi-asserted-by":"crossref","first-page":"1713","DOI":"10.1038\/s41559-020-01310-1","article-title":"The methylation landscape and its role in domestication and gene regulation in the chicken","volume":"4","author":"Hoglund","year":"2020","journal-title":"Nat. Ecol. Evol."},{"key":"10.1016\/j.psj.2026.107667_bib0012","doi-asserted-by":"crossref","first-page":"282","DOI":"10.1038\/labinvest.2009.132","article-title":"Rapid quantification of DNA methylation by measuring relative peak heights in direct bisulfite-PCR sequencing traces","volume":"90","author":"Jiang","year":"2010","journal-title":"Lab. Invest."},{"key":"10.1016\/j.psj.2026.107667_bib0013","doi-asserted-by":"crossref","first-page":"725","DOI":"10.1016\/S0031-9384(03)00145-8","article-title":"Behavioral effects of intracerebroventricular injection of oxytocin in birds","volume":"79","author":"Jonaidi","year":"2003","journal-title":"Physiol. Behav."},{"issue":"1","key":"10.1016\/j.psj.2026.107667_bib0014","doi-asserted-by":"crossref","first-page":"11","DOI":"10.1186\/s13072-024-00537-7","article-title":"Reinforcement of repressive marks in the chicken primordial germ cell epigenetic signature: divergence from basal state resetting in mammals","volume":"17","author":"Kress","year":"2024","journal-title":"Epigenetics Chromatin."},{"key":"10.1016\/j.psj.2026.107667_bib0015","doi-asserted-by":"crossref","first-page":"eaay0680","DOI":"10.1126\/sciadv.aay0680","article-title":"Epigenetic dynamics in infancy and the impact of maternal engagement","volume":"5","author":"Krol","year":"2019","journal-title":"Sci. Adv."},{"issue":"1","key":"10.1016\/j.psj.2026.107667_bib0016","doi-asserted-by":"crossref","first-page":"125","DOI":"10.1146\/annurev-neuro-112723-041639","article-title":"Estrogen control of social behaviors","volume":"48","author":"Lawal","year":"2025","journal-title":"Annu Rev. Neurosci."},{"key":"10.1016\/j.psj.2026.107667_bib0017","doi-asserted-by":"crossref","DOI":"10.1016\/j.psj.2024.103669","article-title":"Influence of sex hormones on the aggressive behavior during peck order establishment and stabilization in meat and egg type chickens","volume":"103","author":"Lin","year":"2024","journal-title":"Poult. Sci."},{"key":"10.1016\/j.psj.2026.107667_bib0018","doi-asserted-by":"crossref","first-page":"3674","DOI":"10.1111\/ejn.14520","article-title":"Effects of oxytocin-family peptides and substance P on locomotor activity and filial preferences in visually naive chicks","volume":"50","author":"Loveland","year":"2019","journal-title":"Eur. J. Neurosci."},{"key":"10.1016\/j.psj.2026.107667_bib0019","doi-asserted-by":"crossref","first-page":"345","DOI":"10.1186\/s12864-019-5727-9","article-title":"The SYNBREED chicken diversity panel: a global resource to assess chicken diversity at high genomic resolution","volume":"20","author":"Malomane","year":"2019","journal-title":"BMC. Genomics."},{"key":"10.1016\/j.psj.2026.107667_bib0020","doi-asserted-by":"crossref","first-page":"36","DOI":"10.1186\/s12711-021-00628-z","article-title":"Genetic diversity in global chicken breeds in relation to their genetic distances to wild populations","volume":"53","author":"Malomane","year":"2021","journal-title":"Genet. Sel. Evol."},{"key":"10.1016\/j.psj.2026.107667_bib0021","doi-asserted-by":"crossref","first-page":"R73","DOI":"10.1186\/gb-2014-15-5-r73","article-title":"Contribution of genetic variation to transgenerational inheritance of DNA methylation","volume":"15","author":"McRae","year":"2014","journal-title":"Genome Biol."},{"key":"10.1016\/j.psj.2026.107667_bib0022","doi-asserted-by":"crossref","first-page":"265","DOI":"10.1038\/s41398-023-02548-6","article-title":"The DNA methylation landscape of the human oxytocin receptor gene (OXTR): data-driven clusters and their relation to gene expression and childhood adversity","volume":"13","author":"Muller","year":"2023","journal-title":"Transl. Psychiatry"},{"key":"10.1016\/j.psj.2026.107667_bib0023","doi-asserted-by":"crossref","first-page":"3579","DOI":"10.1242\/jeb.157891","article-title":"DNA methylation profiles in red blood cells of adult hens correlate with their rearing conditions","volume":"220","author":"Pertille","year":"2017","journal-title":"J. Exp. Biol."},{"key":"10.1016\/j.psj.2026.107667_bib0024","doi-asserted-by":"crossref","first-page":"125","DOI":"10.1152\/physiolgenomics.00063.2024","article-title":"DNA methylation dynamics in the small intestine of egg-selected laying hens along egg production stages","volume":"57","author":"Ponsuksili","year":"2025","journal-title":"Physiol. Genomics."},{"key":"10.1016\/j.psj.2026.107667_bib0025","doi-asserted-by":"crossref","first-page":"32","DOI":"10.1016\/j.ygcen.2018.04.013","article-title":"The effects of replacing eggs with chicks on mesotocin, dopamine, and prolactin in the native Thai hen","volume":"263","author":"Sinpru","year":"2018","journal-title":"Gen. Comp. Endocrinol."},{"key":"10.1016\/j.psj.2026.107667_bib0026","doi-asserted-by":"crossref","first-page":"4692","DOI":"10.1073\/pnas.87.12.4692","article-title":"The expected equilibrium of the CpG dinucleotide in vertebrate genomes under a mutation model","volume":"87","author":"Sved","year":"1990","journal-title":"Proc. Natl. Acad. Sci. u S. a"},{"key":"10.1016\/j.psj.2026.107667_bib0027","doi-asserted-by":"crossref","first-page":"dvad001","DOI":"10.1093\/eep\/dvad001","article-title":"Context-dependent DNA methylation signatures in animal livestock","volume":"9","author":"Venkatesh","year":"2023","journal-title":"Environ. Epigenet."},{"key":"10.1016\/j.psj.2026.107667_bib0028","doi-asserted-by":"crossref","first-page":"509","DOI":"10.1071\/RD18145","article-title":"Effects of ten-eleven translocation 1 (Tet1) on DNA methylation and gene expression in chicken primordial germ cells","volume":"31","author":"Yu","year":"2019","journal-title":"Reprod. Fertil. Dev."}],"container-title":["Poultry Science"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0032579126013015?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0032579126013015?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2026,10,27]],"date-time":"2026-10-27T14:40:42Z","timestamp":1793112042000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S0032579126013015"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2026,12]]},"references-count":28,"journal-issue":{"issue":"12","published-print":{"date-parts":[[2026,12]]}},"alternative-id":["S0032579126013015"],"URL":"https:\/\/doi.org\/10.1016\/j.psj.2026.107667","relation":{},"ISSN":["0032-5791"],"issn-type":[{"value":"0032-5791","type":"print"}],"subject":[],"published":{"date-parts":[[2026,12]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Variation in oxytocin receptor DNA methylation in female chickens are associated with age, genetics, laying intensity, and housing conditions","name":"articletitle","label":"Article Title"},{"value":"Poultry Science","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.psj.2026.107667","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"\u00a9 2026 The Authors. Published by Elsevier Inc. on behalf of Poultry Science Association Inc.","name":"copyright","label":"Copyright"}],"article-number":"107667"}}