عنوان مقاله [English]
This project was carried out in order to study the effects of water chemistry on the accumulation of lead and cadmium in weight groups of farmed trout. For the chemical properties of water hardness, temperature and pH, and three weight groups consisting of large (700-900 g), medium (400-500 g) and small (300<g) ones were considered. Sampling was conducted in November 2014. Homogenized meat was assessed by atomic absorption using optical spectroscopy. The pH of waters conducted from three Pools was neutral, hardness was medium and hard and temperature was 16-18 Celsius degrees. The results showed absence of Cadmium in the fish studied. Lead was 0.01> - 0.03 mg/kg. The levels of lead and cadmium in water and feed for farmed fish below the limit allowed by the FDA. These elements did not show significant differences in farmed trout (P>0.05). Based on achieved results, pH and water temperature affected the infiltration of lead to the trout farm. But, hardness of water affected the infiltration of Cadmium to the trout farm.
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