Short Communication:A comparative study on manganese accumulation in liver, kidney, fatty tissues including muscle of rainbow trout (Oncorhynchus mykiss) fed with different levels of manganese in the diet
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a comparative study on manganese accumulation in liver, kidney, fatty tissues including muscle of rainbow trout oncorhynchus mykiss) fed with different levels of manganese in the diet
most minerals, occurring in aqueous environments, play a key role in the survival rate of aquatic living organisms. however, life situation of the living organisms would be under attack when the contents of these elements exceed than the specified limit because of various reasons (amini ranjbar, 1994). bioaccumulation of the elements in living organisms and their excess concentration than stand...
full textThe effects of propolis on gill, liver, muscle tissues of rainbow trout (Oncorhynchus mykiss) exposed to various concentrations of cypermethrin
The aim of this study was to investigate the therapeutic effects of propolis for the toxicity of cypermethrin (CYP) on histopathological changes in tissues of rainbow trout (Oncorhynchus mykiss). CYP is one of the most toxic pyrethroids highly for the aquatic organisms. The fish were exposed to three sublethal concentrations of CYP (0.0041, 0.0082 and 0.0123 ppm). In addition, different concent...
full textThe effects of propolis on gill, liver, muscle tissues of rainbow trout (Oncorhynchus mykiss) exposed to various concentrations of cypermethrin
The aim of this study was to investigate the therapeutic effects of propolis for the toxicity of cypermethrin (CYP) on histopathological changes in tissues of rainbow trout (Oncorhynchus mykiss). CYP is one of the most toxic pyrethroids highly for the aquatic organisms. The fish were exposed to three sublethal concentrations of CYP (0.0041, 0.0082 and 0.0123 ppm). In addition, different concent...
full textRainbow Trout, Oncorhynchus mykiss
Rainbow trout are classified as Oncorhynchus mykiss, and as such belong to the same genus as Pacific salmon, and to the family Salmonidae, which includes Atlantic salmon (Salmo salar), various trout (Salvelinus sp.), Arctic char (Salvelinus alpinus), Arctic grayling (Thymallus arcticus) and whitefish (Coregonus sp.). Rainbow trout are native to areas around the North Pacific Ocean, from souther...
full textthe effect of task cognitive complexity and time limit on the performance of the learners with different proficiency levels in second language writing skill
this study investigated the effects of manipulating the cognitive complexity of tasks along +/- few elements and the time limits on l2 learners writing performance. to conduct the study, 60 iranian efl learners with two levels of proficiency, low and high intermediate, were selected and assigned to three groups based on the time devoted to task completion. the participants performed both a simp...
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Journal title
volume 14 issue None
pages 523- 530
publication date 2015-04
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