Peculiarities of the regional epizootology of Epistylididae infection in Terek barbel in natural reservoirs of the North Caucasus

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PECULIARITIES OF THE REGIONAL EPIZOOTOLOGY OF EPISTYLIDIDAE INFECTION IN TEREK BARBEL IN NATURAL RESERVOIRS OF THE NORTH CAUCASUS

Aliyeva K.G, Makhiev I.I., Gazimagomedov M.G., Mirzoeva N. M., Zhitieva M. H., Kurmanova M.K., Gazaev M.M., Gazaev M.M., Bittirov A.M.
Prikaspiisk Zonal Scientific Research Veterinary Institute; V.M. Kokov Kabardino-Balkarian Agricultural Academy.

Summary

Epistylididae infection usually was recorded in summer and autumn in natural reservoirs of the North Caucasus. Three types of Epistylididae pathogens were determined on the surface of the body, fins and gills of Terek barbel in the Terek basin attributed to the family Epistylididae Kahl, 1933 (Apiosoma campanulatum Timofeev, f. typica 1962; Apiosoma piscicolum Blanchard, f. typica 1885; Apiosoma piscicolum Blanchard, 1885 sp. perci Chernyshewa, 1976) with the low and mild infection extensity and intensity values. The infection extensity among juveniles and adult Terek barbel populations in basins of Terek, Malka, Baksan, Chegem, Cherek ranged 12,0% to 19,0% (at average 14,8%) as while the infection intensity varied 18,4 to 27,3 specimens/fish (at average of 22,46 specimens/fish). The number of regions with high level of infection in the Terek River basin ranged 21% to 35%.



© 2016 The Author(s). Published by All-Russian Scientific Research Institute of Fundamental and Applied Parasitology of Animals and Plants named after K.I. Skryabin.
This is an open access article under the Agreement of 02.07.2014 (Russian Science Citation Index (RSCI) and the Agreement of 12.06.2014 (CABI.org / Human Sciences section).