Measures to prevent the spread of non-infected bronchionecrosis, protozoan and lerniosis in fish

Abstract

In general, the main cause of non-infectious bronchonecrosis in fish is recognized to be chronic exposure to unfavorable environmental factors on fish. White carp - 20.0%, eel - 14.6%. The infestation of all three fish species by crustaceans was found to be on average 19.3%. According to the results of the analysis, 18.0% of crustaceans in four districts of the Samarkand region were infected with 2 types: lerniosis, 1.3% - arguliosis.