The influence of Myxidium gadi Georgievitsch, 1916 (Myxozoa: Myxosporea) on the level of lipid reserves in the tissues of the Black Sea whiting Merlangius merlangus euxinus at different periods of the annual cycle

Concentration of total lipids and main lipid classes in the tissues of the Black Sea whiting males and females under different degrees of their infestation with the myxosporean Myxidium gadi is studied. Fishes were examined during the periods of fattening and spawning. Decrease of the total lipid (2-3 times) and triacylglycerol (3-4 times) concentration in the liver of heavily ingested males is revealed, as compared with the weakly infested fishes. However this effect has not been found in the fish females.