A COMPARATIVE ANALYSIS OF BLOOD PARAMETERS OF VARIOUS AGE GROUPS OF CASPIAN SALMON-SALMO TRUTTA CASPIUS (KESSLER, 1877)

H. Ramezani, B.K. Gabrielyan, F.D. Danielyan, R. Pougoulam, Kamgar

Abstract


For study the blood parameters, the blood of different age groups _ fingerlings (1-year old) and commercial size (3-year old) Salmons were collected and compared from Shaheed Bahonar Hatchery Center. The numbers of Red Blood Cells (RBC), White Blood Cells (WBC) and hemoglobin in 3-year old Salmon were found to be less than that of 1-year old Salmon and the former had more Mean Corpuscular Volume (MCV) than the latter. Other parameters have shown no difference. It was shown that the most suitable age for releasing different age groups of Caspian Salmon from the hatchery into the river the is that of the fingerlings, due to better adaptation ability in wild conditions in the river.

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