Dietary Ca inhibits waterborne Cd uptake in Cd-exposed rainbow trout, Oncorhynchus mykiss

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dc.contributor.authorZohouri, Mohammad Ali
dc.contributor.authorPyle, Gregory
dc.contributor.authorWood, Chris M.
dc.date.accessioned2014-06-10T20:51:20Z
dc.date.available2014-06-10T20:51:20Z
dc.date.issued2001
dc.descriptionSherpa Romeo green journalen_US
dc.description.abstractThe effects of chronic exposure to waterborne Cd and elevated dietary Ca, alone and in combination, were examined in juvenile rainbow trout, Oncorhynchus mykiss. Fish were chronically exposed to 0.05 Žcontrol. or 2.56 g l Cd as CdŽNO3.2 4H2O and were fed 2% body mass day of control Ž29.6 mg Ca g. or Ca-supplemented trout food Ž52.8 mg Ca g as CaCl2 2H2O.. Cd accumulated mainly in gill, liver, and kidney. Waterborne Cd inhibited unidirectional Ca uptake from water into the gill and induced hypocalcemia in the plasma on day 40. Waterborne Cd also induced an elevated Ca concentration on day 20 in the gill tissue of trout fed the Ca-supplemented diet and a decreased Ca concentration on day 35 in the gills of trout fed the control diet. Dietary Ca protected against Cd accumulation in gill, liver, and kidney, but did not protect against the inhibition of Ca uptake into the gill or plasma hypocalcemia. When fed Ca-supplemented diet and exposed to waterborne Cd, fish showed 35% mortality, compared to 0 2% in control fish and in the Cd-exposed fish with normal Ca in the diet. Growth, on the other hand, was not affected by any treatment.en_US
dc.description.peer-reviewYesen_US
dc.identifier.citationZohouri, M.A., G.G. Pyle, and C.M. Wood. 2001. Dietary Ca inhibits waterborne Cd uptake in Cd-exposed rainbow trout,Oncorhynchus mykiss. Comparative Biochemistry and Physiology, Part C, Toxicology and Pharmacology, 130(3): 347-356.en_US
dc.identifier.urihttps://hdl.handle.net/10133/3453
dc.language.isoen_CAen_US
dc.publisherElsevieren_US
dc.publisher.departmentDepartment of Biologyen_US
dc.publisher.facultyArts and Scienceen_US
dc.publisher.institutionMcMaster Universityen_US
dc.publisher.institutionUniversity of Lethbridgeen_US
dc.subjectDietary calciumen_US
dc.subjectGillen_US
dc.subjectHypocalcemiaen_US
dc.subjectOncorhynchus mykissen_US
dc.subjectRainbow trouten_US
dc.subjectWaterborne cadmiumen_US
dc.titleDietary Ca inhibits waterborne Cd uptake in Cd-exposed rainbow trout, Oncorhynchus mykissen_US
dc.typeArticleen_US
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