TY JOUR TI Population density analysis of Diptera: Muscidae in livestock objects KW winter period KW pig farm KW flies KW abundance KW adults KW glue traps KW exposure KW counting KW the abundance index of flies JO Agrarian Bulletin of the AU Reshetnikov, A.D. AU Barashkova, A.I. AU Budischeva, L.M. PY 2022 IS 225 PB Ural State Agrarian University