Feeding Diets Supplemented With Zinc and Vitamin a in Laying Hens: Effects on Histopathological Findings and Tissue Mineral Contents

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dc.contributor.authorKaya, Şule
dc.contributor.authorOrtatatlı, Mustafa
dc.contributor.authorHaliloğlu, Seyfullah
dc.date.accessioned2020-03-26T16:39:06Z
dc.date.available2020-03-26T16:39:06Z
dc.date.issued2002
dc.departmentSelçuk Üniversitesien_US
dc.description.abstractThe effects of different dietary levels of zinc and vitamin A on tissue mineral accumulation and histopathological alterations were examined in laying hens. For this purpose, 130 Hisex brown laying hens aged 56 weeks were divided into two main groups. Each group of hens were fed on diets supplemented with two different levels of vitamin A (010 000 IU kg(-1)). Then, laying hens in both of the main groups were subdivided into five treatment groups given different levels of zinc (0, 25, 50, 100, and 200 mg kg(-1)) for 12 weeks. Dietary additions of zinc and/or vitamin A did not significantly affect the zinc concentrations of the pancreas, liver, gizzard, thyroid, and copper concentrations of the pancreas, gizzard, and thyroid. The group fed the highest zinc (200 mg kg(-1)) in the diet had twofold iron concentration in their thyroid tissue compared to the concentration of the control group receiving no extra zinc. Histopathologically, there was slight oedema, degranulation, and vacuolation in exocrine cells and some fibrotic areas in the pancreas and reduced follicular size. Follicular cell hypertrophy and hyperplasia occurred in the thyroids, and gizzard erosions were seen in some cases.en_US
dc.identifier.citationKaya, Ş., Ortatatlı, M., Haliloğlu, S., (2002). Feeding Diets Supplemented With Zinc and Vitamin a in Laying Hens: Effects on Histopathological Findings and Tissue Mineral Contents. Research in Veterinary Science, (73), 251-257. Doi: 10.1016/s0034-5288(02)00095-4
dc.identifier.doi10.1016/s0034-5288(02)00095-4en_US
dc.identifier.endpage257en_US
dc.identifier.issn0034-5288en_US
dc.identifier.issue3en_US
dc.identifier.pmid12443682en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage251en_US
dc.identifier.urihttps://dx.doi.org/10.1016/s0034-5288(02)00095-4
dc.identifier.urihttps://hdl.handle.net/20.500.12395/17960
dc.identifier.volume73en_US
dc.identifier.wosWOS:000179993600009en_US
dc.identifier.wosqualityQ2en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.institutionauthorOrtatatlı, Mustafa
dc.institutionauthorHaliloğlu, Seyfullah
dc.language.isoenen_US
dc.publisherW B Saunders Co Ltden_US
dc.relation.ispartofResearch in Veterinary Scienceen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.selcuk20240510_oaigen_US
dc.titleFeeding Diets Supplemented With Zinc and Vitamin a in Laying Hens: Effects on Histopathological Findings and Tissue Mineral Contentsen_US
dc.typeArticleen_US

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