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Contemporary Problems of Ecology

2010 year, number 5

Infectiousness with the Metacercarias of Diplostomidae Family and the Activity of Digestive Enzymes in Young Siberian Dace Leucisсus leuciscus baicalensis (Dyb) in the Kargat River in the Basin of Lake Chany

M. M. Solovyev, E. N. Kashinskaya, V. V. Glupov
Keywords: proteolytic enzymes, amylase, freshwater bony fish, nonspecific esterases, lipases, fish nitrition
Pages: 763-771

Abstract

Investigation of the activity of intestinal digestive enzymes (total activity of proteases, a-amylase, nonspecific esterases and pancreatic lipase) in young Siberian dace Leuciscus leuciscus baicalensis (Dyb) infected with the metacercarias of Diplostomidae family was carried out in 2008 and 2009 in the Kargat river (the basin of Lake Chany) The dependence between the intensity of invasion with the metacercarias of Diplostomidae family and the activity of intestinal hydrolases was studied. A negative correlation of the activity of digestive enzymes with the intensity of invasion with metacercariasm both in different sections and in intestines in general was revealed.