The effects of dietary cadmium on growth, antioxidant defence system and feed evaluation performance of rainbow trout (Oncorhynchus mykiss)

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dc.contributor.authorGündoğdu, Ayşe
dc.contributor.authorBurcu, Fatma
dc.date.accessioned2025-03-23T19:09:35Z
dc.date.available2025-03-23T19:09:35Z
dc.date.issued2024
dc.departmentSinop Üniversitesi
dc.description.abstractThe present study was carried out to determine the effect of dietary cadmium exposure on growth performance, changes in manganese, zinc, copper, calcium, magnesium, iron, selenium, and cad- mium metals in liver and muscle tissue, liver antioxidant enzymes, and the histology of the fish. Rainbow trout (Oncorhynchus mykiss) with weights of 39.45 ±1.13 g was used in the experiment conducted in 2 groups and three replicates. The Control group was fed a cadmium-free diet, and the Cadmium group was fed a diet containing 5.03 μg/kg of cadmium twice a day until satiation. It was determined that cadmium intake through the diet affected growth rate and the feed evalua- tion performance negatively. In fish exposed to cadmium, manganese, zinc, copper, calcium, mag- nesium, iron, selenium, superoxide dismutase, catalase and glutathione peroxidase values in both muscle and liver tissues were significantly (p<0.05) decreased, whereas cadmium levels in muscle and liver and malondialdehyde levels in liver were significantly (p<0.05) increased. The histo- pathological examination of the liver revealed that cadmium caused liver damage. These results showed that rainbow trout exposed to dietary cadmium were highly sensitive to the metal, and the decreased levels of metals such as copper, zinc, manganese, and selenium in the liver tissue, which are involved in the antioxidant defence system, can be considered an indicator of the weakening of the antioxidant defence system.
dc.identifier.doi10.3153/AR24009
dc.identifier.endpage104
dc.identifier.issn2618-6365
dc.identifier.issue2
dc.identifier.startpage93
dc.identifier.trdizinid1257283
dc.identifier.urihttps://doi.org/10.3153/AR24009
dc.identifier.urihttps://search.trdizin.gov.tr/tr/yayin/detay/1257283
dc.identifier.urihttps://hdl.handle.net/11486/3406
dc.identifier.volume7
dc.indekslendigikaynakTR-Dizin
dc.language.isoen
dc.relation.ispartofAquatic Research
dc.relation.publicationcategoryMakale - Ulusal Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_TR_20250323
dc.subjectBiyoloji
dc.subjectMühendislik
dc.subjectDeniz
dc.subjectBalıkçılık
dc.subjectDeniz ve Tatlı Su Biyolojisi
dc.titleThe effects of dietary cadmium on growth, antioxidant defence system and feed evaluation performance of rainbow trout (Oncorhynchus mykiss)
dc.typeArticle

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