TY JOUR TI Assessment of infection of hamsa Engraulis encrasicolus nematode Hysterothylacium aduncum in the Sea of Azov in the summer and autumn periods 2015-2020 KW khamsa KW European anchovy KW Engraulis encrasicolus KW Hysterothylacium aduncum KW the Sea of Azov KW the infection rates KW prevalence and intensity of infection JO Fisheries AU Mosesyan, G.V. AU Dudkin, S.I. AU Strizhakova, T.V. PY 2021 IS 2021 PB FSBI "TSUREN"