Open AccessPARASITIC DANGER OF LOWER AND MIDDLE OB CARP FISH AS OBJECTS OF FISHING IN 2016
Author(s) -
Александр Васильевич Осипов,
A. S. Osipov,
Владимир Смолин,
Владимир Смолин,
Наталья Васильевна Смолина,
Natalya Smolina
Publication year - 2018
Publication title -
nauka i obrazovanie: novoe vremâ
Language(s) - English
Resource type - Journals
eISSN - 2541-822X
pISSN - 2312-4431
DOI - 10.12737/article_5b23a24cf20735.92735918
Subject(s) - infestation , fish <actinopterygii> , opisthorchis , carp , fishery , opisthorchiasis , fishing , larva , biology , zoology , ecology , helminths , liver fluke , medicine , botany , pathology
The most mass commercial carp fish from two fish sites of the Lower Ob and one from the river Middle Ob were investigated in 2016. The maximum infestation of opisthorchis were observed of the Ide with most of the indicators of extensiveness and intensity of infestation, then descending roach and bream. The contamination of an the ide Opisthorchis felineus metatcercaria on the river Middle Ob reached 100 %, in the Northern direction it decreases to 90%. Studies of in Lower Ob the ide and roach, frozen for 7 hours or more at a temperature of minus 40°C showed complete death of opisthorchid larvae