• Zubia Masood

• Farooqa Atta Mohammad

• Nosheen Rafiq

• Quratulan Ahmed

• Semra Benzer

• Qadeer Mohammad Ali

تلخیص

The present research study was designed to analyze six heavy metals including copper (Cu), nickel (Ni), manganese (Mn), iron (Fe), cadmium (Cd) and zinc (Zn) concentrations in common carp, Cyprinus carpio collected from Tanda fish hatchery located in Kohat (KPK) district, Pakistan. Fish and water samples were collected during April-2018 to February-2019 on seasonal basis such as summer (April-May), monsoon (July-August) and winter (December-February). All samples were analyzed by Analyat 700 USA Atomic Absorption spectrophotometer. The concentrations ranges of trace elements in fish hatchery water were found as follows: Cu, 0.01-0.04 µg l-1 ; Ni, 0.00-0.02 µg l-1 ; Mn, 0.03-0.08 µg l-1 ; Fe, 0.02-0.08 µg l-1 ; Cd, 0.00-0.01 µg l-1 ; Zn, 0.02-0.06 µg l-1 . The concentration ranges of trace elements in C. carpio muscles were found as follows: Cu: 0.34 – 2.22 µg g-1 ; Ni: 0.11-0.92, µg g-1 ; Mn: 0.01 – 0.45 µg g-1 ; Fe: 1.23 – 6.98 µg g1 ; Cd: 0.00 – 0.06 µg g-1 ; Zn: 2.10 – 6.89 µg g-1 . Metal concentrations in muscle tissues of C. carpio were decreased as Fe > Zn > Cu > Ni > Mn > Cd. All metal accumulations in muscle tissues of C. carpio and water samples collected from Tanda Dam were under the permissible range.

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