In this study, seasonal variations on total fatty acid composition of carp, Cyprinus carpio, and zander, Sander lucioperca, muscle lipids in Altinapa Dam Lake were determined. Fish samples in 2 seasons (summer and winter) were obtained from Altinapa Dam Lake in Konya, Turkey. Polyunsaturated fatty acids were found to be higher during the cold season than in the hot both in zander and carp. Whereas the Docosahexaenoic acid was high in zander both in summer and winter, in carp it was high only during wintertime. Zander contained more n-3 fatty acids during the cold season compared to carp. Especially, the n-3:n-6 ratios in zander were 3.89 and 3.84 in summer and winter, respectively. In conclusion, seasonal variations affected fatty acid composition of zander and carp in Altinapa Dam Lake.
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