TY JOUR TI ANIMAL ECHINOCOCCOSIS ENVIRONMENTAL FEATURES DISTRIBUTION IN THE ALTAI REGION KW echinococcosis KW ecology KW parasites KW helminth fauna KW animals KW nature KW nematodes KW organism KW liver KW lungs KW larvae KW eggs JO Bulletin of KSAU AU Tihaya, N.V. AU Ponamarev, N.M. PY 2022 IS 0 PB Krasnoyarsk State Agrarian University