G. I. Pronina, A. M. Orlov, D. V. Artemenkov, S. P. Bomko, E. V. Gritsai, A. A. Matveev
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Hematological Features of Codfishes (Gadidae) from the Northwest Pacific
Abstract
The hematological parameters of the peripheral blood of the walleye pollock Gadus chalcogrammus Pallas, 1814, saffron cod Eleginus gracilis Tilesius, 1810, and Pacific cod Gadus macrocephalus Tilesius, 1810 from the Sea of Okhotsk were studied. An analysis of leukograms of the studied species revealed a large portion of segmented neutrophils and myelocytes in walleye pollock, which indicates a significant potential of the cellular factor of its innate immunity and a greater activity of corticosteroid hormones. The most active erythropoiesis observed in G.chalcogrammus is probably related to substantial vertical migrations, as are specific for the species, associated with sharp pressure variations and the necessity to provide the body with oxygen. The high level of leukopoiesis revealed in the saffron cod is assumed to be caused by ecological adaptations of the species to inhabit both fresh and sea water.
期刊介绍：
The Russian Journal of Marine Biology was founded in 1975 by Alexey V. Zhirmunsky, member of the Russian Academy of Sciences. The Russian Journal of Marine Biology covers a wide range of research and some applied aspects of marine biology as a synthetic science related to various fields of study on marine biota and environment. It presents fundamental research on biological processes at molecular, cellular, organismal, and populational levels in marine organisms. Consideration is given to marine objects as models in life sciences. The journal also publishes papers dedicated to events in Russian and international marine biological science and the history of biology.
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