مستوى التراكم الحيوي لعنصر الخارصين في الأنسجة المختلفة لسمكة الكارب الاعتيادي Cyprinus carpio المعرضة للتراكيز تحت القاتلة

Abstract

Abstract Cyprinus carpio were exposure to three sublethal concentrations of zinc 0.05, 0.1 and 1 mg/l ZnCl2 as well as control treatments, during periods of ( 1, 7, 14 and 21) days of exposure. Concentration levels of zinc were determined in gills, liver, and kidney and muscle tissues. The highest concentration was recorded in the liver, kidney and gills tissues respectively for higher exposure concentration of zinc during (14 and 21) days of experiment, while, the muscle tissue was accumulated lower values of zinc in comparison with control samples.