Hematological parameters of one year old sea trout (Salmo trutta) in spring (original) (raw)

Sea trout are fish which are most similar to salmon and that‘s why it is little studied. Despite included in one genus, salmon and sea trout are not as alike as it seems. Many points including physiological parameters might be and are different. Nowadays sea trout are reared in Latvian hatcheries. Ninety four sea trout blood samples were taken and examined and following parameters were identified – red blood cell count (RBC), hemoglobin, hematocrit and leukocyte formula. For sea trout smolts from natural watercourses RBC count was 1,22*10 12 /L, hemoglobin 7,77 g/L, hematocrit 29,40 %; for one year old sea trout from ponds RBC count was 1,01*10 12 /L, hemoglobin 10,13 g/L, hematocrit 39,75 %; for one year old sea trout reared in flow through system RBC count was 1.10 – 1.17 *10 12 /L, hemoglobin 8.97 – 10.32 g/L, hematocrit 29.21 – 36.94 %; for sea trout reared in recirculation system RBC count was 1.25 – 1.47*10 12 /L, hemoglobin 8,13 – 8,41 g/L and hematocrit 33.00 – 37.58 %. In s...