Abstract
The information has been collected and analyzed on the causative agent of the dangerous fish disease bothriocephalosis, which currently has more than 20 synonyms in the literature. The disease is currently reported worldwide, with the exception of Antarctica. When infecting fish, the pathogen is localized in the intestines and, first of all, has a negative mechanical effect, moreover, it affects the growth of fish. The size of the parasite adapts to the size of the host organism. Anthelmintics are used as methods of combating the disease, as well as biological control methods based on interrupting the life cycle of the parasite. The southern region of the Russian Federation is the most favorable territory for the development of bothriocephalosis. Despite this, the region as a whole has a positive status for this disease. Over the past 3 years, according to the official data of regional veterinary services, only 6 cases of the establishment of restrictive measures (quarantine) for bothriocephalosis in relation to fish farms have been noted.
Highlights
The frequency of occurrence of parasitic diseases in aquaculture and their impact on commercial fish farming is becoming more pronounced every year
In connection with the intensification of pond fish farming, the study of such diseases in the southern regions of Russia is becoming a necessary element of sustainable development of the entire fishery industry
Bothriocephalosis is one of the most dangerous and widespread fish diseases caused by the tapeworm Schyzocotyle (Bothriocephalus) acheilognathi Yamaguti, 1934 (Cestoda: Bothriocephalidea)
Summary
The frequency of occurrence of parasitic diseases in aquaculture and their impact on commercial fish farming is becoming more pronounced every year. The southern region of the Russian Federation is the leader in the production of commercial aquaculture [5] Such a position has been achieved, among other things, through the intensification of pond fish farming. The presence of final and intermediate hosts of the parasite are the factors that bring about the development of the causative agent of bothriocephalosis. For this reason, fish farms must comply with all veterinary and sanitary requirements. In accordance with the Order of the Ministry of Agriculture of the Russian Federation, restrictive measures are applied to the fish farm when the causative agent of bothriocephalosis is detected. S. acheilognathi is listed as a Regional Pathogen (PRI) by the US Fish and Wildlife Service [6]
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