TY JOUR TI The results of assessing the breeding value of lines using the methods of comparison with peers and BLUP method on the cattle stock in the Murmansk region KW selection KW cattle KW breeding assessment KW BLUP method KW method of comparison with peers KW genealogical group KW milk production JO Agrarian Bulletin of the AU Firsova, E.V. AU Kartashova, A.P. PY 2021 IS 208 PB Ural State Agrarian University