@article{Rudishina2017productive,
author={Rudishina, N.M. and Shtyreva, I.V.},
title={PRODUCTIVE LONGEVITY OF COWS OF BLACK-MOTLEY BREED, DEPENDING ON THE FIRST INSEMINATION AGE AND LEVEL OF MILK YIELD FOR THE FIRST LACTATION},
journal={Vestnik of Kazan State Agrarian University},
publisher={Kazan state agrarian University},
year={2017},
pages={39-43},
volume={11},
issue={4},
}