The results of the first comparative analysis of hematological parameters of bats from natural populations of the Ural region are presented: the pond bat (Myotis dasycneme Boie, 1825), which is a resident species, and the two-colored bat (Vespertilio murinus Linnaeus, 1758), which is a migratory species. Significant differences in the content of white blood cells (p = 0.05), red blood cells and platelets (p = 0.001) were shown. Interspecific differences were found in the leukograms of the studied bats both in the content of granulocytes (p = 0.04) and agranulocytes (p = 0.05). Migrating V. murinus are characterized by a significant contribution of the nonspecific protective system of the blood (54.9%) to the adaptive reactions of the body. In the pond bat, a pronounced lymphocytic profile (58.5%) indicates the activation of acquired adaptive immunity. Two-colored bats in comparison with pond bats are characterized by a higher level of innate immunity.
Keywords: bats; granulocytes; lymphocytes; peripheral blood.
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