TY  JOUR
TI  Dynamics of milk productivity and service period by lactation in cows of different lines
KW  Holstein black-and-white cattle
KW  line
KW  cows
KW  milk yield
KW  service period
KW  longevity
JO  Agrarian Bulletin of the
AU  Gorelik, O.V.
AU  Harlap, S.Y.
PY  2022
IS  217
PB  Ural State Agrarian University