@article{Chechenihina2021the,
author={Chechenihina, O.S. and Bykova, O.A. and Loretc, O.G. and Stepanov, A.V.},
title={The age of retirement of cows from the herd, depending on genetic and paratypical factors},
journal={Agrarian Bulletin of the},
publisher={Ural State Agrarian University},
year={2021},
pages={71-79},
volume={209},
issue={06},
}