SYSTEMATIC ANALYSIS AND INFECTION OF THE COMMON CATFISH NEMATODE (SILURUS GLANIS) IN WATER BODIES IN THE NORTH-EAST OF UZBEKISTAN

Research was carried out on 127 specimens. native catfish (Silurus glanis) caught in water reservoirs of northeastern Uzbekistan in 2019-2022. As a result of research, 9 species of nematodes were registered in common catfish, which belonged to 4 orders, 6 families and 7 genera. Of the identified nematodes, 5 species parasitize in the larval stage and 4 species in the sexually mature stage. Infestation with nematodes ranges from 1.6% to 20.4%, and the intensity of invasion is 1–28 specimens.

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