TY  JOUR
TI  The age of retirement of cows from the herd, depending on genetic and paratypical factors
KW  black-and-white
KW  breed
KW  age of disposal
KW  reasons for culling
KW  lactation
KW  insemination
KW  mother cows
KW  breeding bulls
KW  line
JO  Agrarian Bulletin of the
AU  Chechenihina, O.S.
AU  Bykova, O.A.
AU  Loretc, O.G.
AU  Stepanov, A.V.
PY  2021
IS  209
PB  Ural State Agrarian University