Effects of oregano essential oil (Origanum syriacum L.) on performance, egg quality, intestinal morphology and oxidative stress in laying hens

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dc.authoridKaya, Adem/0000-0002-7726-6865
dc.authoridTEKCE, EMRE/0000-0002-6690-725X
dc.authoridYILMAZ, EMRE/0000-0003-1004-6531
dc.contributor.authorGul, M.
dc.contributor.authorYilmaz, E.
dc.contributor.authorYildirim, B. A.
dc.contributor.authorSezmis, G.
dc.contributor.authorKaya, A.
dc.contributor.authorTimurkaan, S.
dc.contributor.authorOnel, S. E.
dc.date.accessioned2024-09-18T20:16:41Z
dc.date.available2024-09-18T20:16:41Z
dc.date.issued2019
dc.departmentHatay Mustafa Kemal Üniversitesien_US
dc.description.abstractThis study aimed to investigate the effects that including different levels of oregano essential oil (Origanum syriacum L.) (200, 400, and 600 mg/kg) in the diets of laying hens had on performance, egg quality, and intestinal morphology, as well as egg malondialdehyde (MDA) levels, blood lipid peroxidation, and oxidative stress parameters. The study used a total of 120 Lohmann white laying hens aged 20 to 22 weeks. The experiment comprised the following three treatment groups, based on the dosages of oregano essential oil: 200 mg/kg (A), 400 mg/kg (B), 600 mg/kg (C); and a control group (K) that did not use oregano essential oil. Each group included 30 hens and each was divided into six subgroups with five hens each. In this study, feed intake and egg weight were significantly higher in the treatment groups than in the control group (P=0.046; P< 0.001). There was no difference among the groups in terms of eggshell strength, egg shape index, eggshell thickness, albumin index, or yolk index. However, there was a significant difference in eggshell weight, yolk color and Haugh unit in the experimental groups (P=0.015; P=0.031; P=0.042). The MDA levels in the yolk were lowest in group A (P< 0.05). In all groups with the exception of group A, yolk and serum MDA levels increased while superoxide dismutase, glutathione peroxidase, and catalase decreased as the doses of oregano essential oil increased (P< 0.001; P< 0.001; P< 0.01; P< 0.001). There was no significant serum glutathione level. In the histological analysis of the intestine, the villus height was higher in group C than in the control group (P=0.010). Based on these results, we concluded that 200 mg/kg was the most effective dose of oregano essential oil for improving performance, egg quality, and intestinal morphology while reducing oxidative stress in laying hens.en_US
dc.description.sponsorshipScientific Research Projects Fund of Ataturk University [TSG-2017-6296]en_US
dc.description.sponsorshipThis work was supported by the Scientific Research Projects Fund of Ataturk University under Grant number TSG-2017-6296.en_US
dc.identifier.doi10.1399/eps.2019.290
dc.identifier.issn1612-9199
dc.identifier.scopus2-s2.0-85095459396en_US
dc.identifier.scopusqualityQ3en_US
dc.identifier.urihttps://doi.org/10.1399/eps.2019.290
dc.identifier.urihttps://hdl.handle.net/20.500.12483/9691
dc.identifier.volume83en_US
dc.identifier.wosWOS:000505569700002en_US
dc.identifier.wosqualityQ4en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherEugen Ulmer Gmbh Coen_US
dc.relation.ispartofEuropean Poultry Scienceen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectEgg qualityen_US
dc.subjectintestineen_US
dc.subjectlaying henen_US
dc.subjectoreganoen_US
dc.subjectoxidative stressen_US
dc.titleEffects of oregano essential oil (Origanum syriacum L.) on performance, egg quality, intestinal morphology and oxidative stress in laying hensen_US
dc.typeArticleen_US

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