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¹ Institute of Fisheries, National Academy of Agrarian Sciences of Ukraine, Kyiv, Ukraine DOI : 10.4194/1303-2712-v17_1_09 Viewed : 8135 - Downloaded : 8238 This study was conducted to determine length–weight relationships, condition factor (K) and relative condition factor (Kn) of 13 freshwater bream Abramis brama (Linnaeus, 1758), inhabiting Kremenchug Reservoir (Middle Dnieper, Ukraine). Fishes 14 aged from 0+ to 19+ were analysed. Length-weight relationships were found to be W=0.0094×SL3.2545 (R2=0.9882), 15 W=0.0133×SL3.1318 (R2=0.9832), and W=0.0106×SL3.2098 (R2=0.9848) for females, males and combined sexes, respectively. 16 A positive allometric growth (b>3) was observed for all samples. Calculation of average K resulted as 2.29 for females, 2.12 17 for males and 2.21 for all specimen. Average Kn of these groups were found to be 1.05, 0.98 and 1.01, respectively. This 18 study is the first reference on LWR equation parameters and Kn of A. brama in the Dnieper River. Keywords : Abramis brama, Fulton's condition factor, relative condition factor, Dnieper River, commercial catches