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Comparative Study of some Haematological Parameters in European Eel (Anguilla anguilla L., 1758) Caught from Different Regions of Ceyhan River (Adana, Turkey)
(Ege Univ, Fac Fisheries, 2007) Sahan, Aysel; Altun, Tulay; Cevik, Fatma; Cengizler, Ibrahim; Nevsat, Erdal; Genc, Ercument
This study was carried out in a agricultural, industrial, domestic and slaughterhouse discharging region (around Buyukmangit Village) of Ceyhan River and just under the dam's crest of Aslantas (Osmaniye) founded on the same river in the summer season of 2004. Water temperature, chemical oxygen demand (COD), pH, nitrate-nitrogen (NO3-N), nitrite-nitrogen (NO2-N), ammonia nitrogen (NH3-N), and soluble reactive phosphorus (SRP) values in these two stations were determined to the comparative effects of possible differences of water quality on haematological parameters. Forty fish were caught monthly from each station. Erythrocyte, leucocyte, haemoglobine (Hb), leucocyte cell (lymphocyte, monocyte, neutrophil, eosinophil) proportions and sizes of these cells of the fish were compared for two stations. As regard to water quality parameters, Station II was found in contaminated. Moreover, 75% of fish from Station II were found to be infested by swim bladder parasite Anguillicola crassus. In the study, leucocyte values and neutrophil proportion were found increased by means of environmental stressors (P< 0.05).