@article{Nazarova2021milk,
author={Nazarova, K.P. and Berezkina, G.Y.},
title={Milk productivity and reproductive performance of black and white cows, depending on the technology of milk production},
journal={Agrarian Bulletin of the},
publisher={Ural State Agrarian University},
year={2021},
pages={51-59},
volume={204},
issue={01},
}