The Impact of Dietary Encapsulated Fennel Seed (Foeniculum vulgare Mill.) Essential Oil Inclusion Levels on Performance, Serum Hormone Profiles, and Expression of Reproductive Axis-Related Genes in the Early and Late Laying Phases of Hens

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dc.contributor.authorIpcak, Hasan Huseyin
dc.contributor.authorDenli, Muzaffer
dc.contributor.authorYokus, Beran
dc.contributor.authorBademkiran, Servet
dc.date.accessioned2025-02-22T14:09:08Z
dc.date.available2025-02-22T14:09:08Z
dc.date.issued2025
dc.departmentDicle Üniversitesien_US
dc.description.abstractFennel seed (Foeniculum vulgare Mill.) essential oil (FEO), which is rich in the phytoestrogenic compound trans-anethole, interacts with oestrogen receptors and influences molecular targets within cells and hormonal responses. This study examined the effect of dietary encapsulated FEO inclusion levels on performance, reproductive hormone profiles, and gene expression in laying hens during the early and late phases. The study was conducted in two independent trials, each involving 210 Atak-S laying hens that were randomly distributed into 3 experimental groups, each having 10 replicates with 7 hens. The dietary treatments included a basal diet without FEO (Control) and a basal diet supplemented with 175 (FEO175) or 350 mg (FEO350) of encapsulated FEO/kg for 12 weeks. The results showed that FEO350 treatment improved egg production, egg mass, and feed conversion ratio during both early and late phases (p < 0.05). Moreover, increasing FEO inclusion levels enhanced oestradiol, follicle-stimulating hormone, luteinizing hormone and progesterone concentrations in both early and late laying hens, reaching peak levels at FEO350 (p < 0.05). FEO supplementation upregulated the expression of oestrogen receptor 2 (ESR2) and follicle-stimulating hormone receptor (FSHR) (p < 0.05). Furthermore, FEO350 increased prolactin receptor (PRLR) expression during the early phase but decreased it during the late laying phase (p < 0.05). Positive correlations were observed between egg production and FSHR, ESR2 and steroidogenic acute regulatory protein (STAR) expression, with a negative correlation for PRLR (p < 0.05). In conclusion, 350 mg FEO/kg was found to be the most effective level for enhancing layer performance.en_US
dc.description.sponsorshipOffice of Scientific Research Projects at Dicle University (DUBAP) [ZIdot;RAAT.21.009]en_US
dc.description.sponsorshipThis project was supported by the Office of Scientific Research Projects at Dicle University (DUBAP) under Project Z & Idot;RAAT.21.009.en_US
dc.identifier.doi10.1002/vms3.70150
dc.identifier.issn2053-1095
dc.identifier.issue1en_US
dc.identifier.pmid39655356en_US
dc.identifier.scopus2-s2.0-85211497171en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.urihttps://doi.org/10.1002/vms3.70150
dc.identifier.urihttps://hdl.handle.net/11468/29808
dc.identifier.volume11en_US
dc.identifier.wosWOS:001373787700001
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.language.isoenen_US
dc.publisherWileyen_US
dc.relation.ispartofVeterinary Medicine and Scienceen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.snmzKA_WOS_20250222
dc.subjectfennel oilen_US
dc.subjectgene expressionen_US
dc.subjecthormoneen_US
dc.subjectlaying henen_US
dc.subjectperformanceen_US
dc.subjectreproductiveen_US
dc.titleThe Impact of Dietary Encapsulated Fennel Seed (Foeniculum vulgare Mill.) Essential Oil Inclusion Levels on Performance, Serum Hormone Profiles, and Expression of Reproductive Axis-Related Genes in the Early and Late Laying Phases of Hensen_US
dc.typeArticleen_US

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