Effects of zinc and vitamin A supplements on plasma levels of thyroid hormones, cholesterol, glucose and egg yolk cholesterol of laying hens

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dc.authoridHALILOGLU, Seyfullah/0000-0001-8269-9668
dc.authoridKECECI, TUFAN/0000-0002-6479-3025
dc.contributor.authorKaya, S
dc.contributor.authorKeçeci, T
dc.contributor.authorHaliloglu, S
dc.date.accessioned2024-09-18T21:05:05Z
dc.date.available2024-09-18T21:05:05Z
dc.date.issued2001
dc.departmentHatay Mustafa Kemal Üniversitesien_US
dc.description.abstractThe effects of zinc and vitamin A supplementation to the diet on some blood metabolites were evaluated in Hisex brown laying hens from 56 weeks to 68 weeks of age. A total of 130 birds were divided into two main groups according to vitamin A treatment (0 and 3.44 mg retinyl acetate kg(-1) feed, respectively). each consisting of 65 hens. Hens in both of the main groups were then, divided into five zinc treatment groups (0, 25, 50, 100 and 200 mg zinc kg diet(-1) respectively) of 13 hens each. It was observed that plasma T-4.T-3 and total cholesterol levels were affected by only zinc supplementation. While 100 and 200 mg Zn kg(-1) decreased plasma T-4 level compared to control value. plasma T-3 level was reduced by 100 mg Zn kg(-1) compared to groups fed less Zn. Adding 50 and 200 mg Zn kg(-1) to the diet increased plasma total cholesterol level in the birds compared to other groups. Vitamin A, zinc. and their interaction did not influence the concentration of plasma high-density lipoprotein (HDL)-cholesterol, glucose and egg yolk cholesterol in laying hens. (C) 2001 Harcourt Publishers Ltd.en_US
dc.identifier.doi10.1053/rvsc.2001.0500
dc.identifier.endpage139en_US
dc.identifier.issn0034-5288
dc.identifier.issn1532-2661
dc.identifier.issue2en_US
dc.identifier.pmid11883892en_US
dc.identifier.scopus2-s2.0-0035193644en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage135en_US
dc.identifier.urihttps://doi.org/10.1053/rvsc.2001.0500
dc.identifier.urihttps://hdl.handle.net/20.500.12483/13355
dc.identifier.volume71en_US
dc.identifier.wosWOS:000172373700008en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.language.isoenen_US
dc.publisherElsevier Sci Ltden_US
dc.relation.ispartofResearch in Veterinary Scienceen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectDensity-Lipoprotein-Cholesterolen_US
dc.subjectLipid-Metabolismen_US
dc.subjectCopperen_US
dc.subjectPerformanceen_US
dc.titleEffects of zinc and vitamin A supplements on plasma levels of thyroid hormones, cholesterol, glucose and egg yolk cholesterol of laying hensen_US
dc.typeArticleen_US

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