TY  JOUR
TI  PRODUCTIVE LONGEVITY OF COWS OF BLACK-AND-PESTROUS BREEDS AND CAUSES OF THEIR EXTRACTION
KW  
JO  Agrarian Bulletin of the
AU  Skvorcova, E.G.
AU  Neverova, O.P.
AU  Chepushtanova, O.V.
PY  2019
IS  184
PB  Ural State Agrarian University