Effects of dietary vitamin A and zinc on egg yield and some blood parameters of laying hens

Basit Öğe Kaydı
dc.contributor.authorKaya, Şule
dc.contributor.authorUmucalılar, Huzur Derya
dc.contributor.authorHaliloğlu, Seyfullah
dc.contributor.authorİpek, Hüdai
dc.date.accessioned2019-07-16T15:47:36Z
dc.date.available2019-07-16T15:47:36Z
dc.date.issued2001
dc.departmentHatay Mustafa Kemal Üniversitesien_US
dc.description.abstractThe purpose of the present study was to examine the effects of vitamin A and zinc interaction in laying hens fed on diets supplemented with two different levels of vitamin A (0, 10.000 IU/kg) in combination with five different levels of zinc (0, 25, 50, 100, 200 mg/kg) on egg yield, plasma and yolk concentration of zinc, and the levels of plasma triglyceride and phosphorus for 12 weeks. Egg production, egg weight, feed intake, body weight and feed efficiency did not differ among the groups. Plasma and yolk zinc concentrations were affected only by zinc supplementation. An interaction between vitamin A and zinc had an effect and the independent effect of vitamin A supplementation increased the plasma triglyceride levels of laying hens. The level of phosphorus in plasma was altered by zinc supplementation and an interaction between zinc and vitamin A. Since the positive relationship between plasma zinc and egg production was observed (r=0.279 p<0.01), it is suggested that plasma zinc may be an indicator for the estimation of egg production or hen performance.en_US
dc.description.abstractThe purpose of the present study was to examine the effects of vitamin A and zinc interaction in laying hens fed on diets supplemented with two different levels of vitamin A (0, 10.000 IU/kg) in combination with five different levels of zinc (0, 25, 50, 100, 200 mg/kg) on egg yield, plasma and yolk concentration of zinc, and the levels of plasma triglyceride and phosphorus for 12 weeks. Egg production, egg weight, feed intake, body weight and feed efficiency did not differ among the groups. Plasma and yolk zinc concentrations were affected only by zinc supplementation. An interaction between vitamin A and zinc had an effect and the independent effect of vitamin A supplementation increased the plasma triglyceride levels of laying hens. The level of phosphorus in plasma was altered by zinc supplementation and an interaction between zinc and vitamin A. Since the positive relationship between plasma zinc and egg production was observed (r=0.279 p<0.01), it is suggested that plasma zinc may be an indicator for the estimation of egg production or hen performance.en_US
dc.identifier.endpage769en_US
dc.identifier.issn1300-0128
dc.identifier.issue5en_US
dc.identifier.startpage763en_US
dc.identifier.urihttps://hdl.handle.net/20.500.12483/673
dc.identifier.volume25en_US
dc.indekslendigikaynakTR-Dizinen_US
dc.language.isoenen_US
dc.relation.ispartofTurkish Journal of Veterinary and Animal Sciencesen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US]
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectZiraaten_US
dc.subjectSütçülük ve Hayvan Bilimlerien_US
dc.titleEffects of dietary vitamin A and zinc on egg yield and some blood parameters of laying hensen_US
dc.title.alternativeYumurtacı tavukların yumurta verimi ve bazı kan parametreleri üzerine rasyondaki vitamin A ve çinkonun etkisien_US
dc.typeOtheren_US

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