Natural centers of sapronoses in hydroecosystem of Volga-Caspian region

Frequent occurrence of conditional-pathogenic microflora in various hydrobionts and water of Volga- Caspian region is established. Majorants were representatives of family Enterobacteriaceae, Vibrionaceae and Pseudomonaceae. They possessed a complex of patogenical factors and plural antibiotical resistance. Obtained data testify that they answer all criteria natural-focal sapronoses infections.