On estimation of bottle-nosed dolphins blood leucocytes functional state
2017
Minzyuk, T.V. | Kavtsevich, N.N.
The article presents results of morphofunctional study of bottlenose dolphins blood cells. Ratios of leukocytes of different types, level of bactericidal cationic protein (CP) and alkaline phosphatase (AP) in bottlenose dolphins of different ages were determined. The relative number of leukocyte containing CP in dolphins is 35%, phosphatase-positive cells — 78%. In all age groups of animals high density of cytoplasm filling and the intensity of staining of granules containing CB and AP were noted. Amount of cationic proteins in studied marine mammals is considerable lower than in terrestrial animals, but 2–3 times higher than in the young seals studied earlier. At the same time, in young bottlenose dolphins (2–5 years) the variability of this parameter is higher than in adult animals (7–16 years). Activity of alkaline phosphatase of leukocytes of reproductive aged dolphins and immature animals is the same, but it is significantly higher in pregnant than in non-pregnant females. There are no noticeable age features for the content of bactericidal cationic proteins and activity of alkaline phosphatase in leukocytes of dolphins. However, the average value of the last parameter in dolphins is much higher than in terrestrial mammals studied in this respect. Obtained results can be used in comparative environmental physiology studies of marine and terrestrial animals.
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