@article{Kapshuk_2020, title={Reproductive ability of Holstein cows of different ages under the industrial complex conditions}, volume={8}, url={https://bulletin-biosafety.com/index.php/journal/article/view/274}, DOI={10.32819/2020.82020}, number={2}, journal={Theoretical and Applied Veterinary Medicine}, author={Kapshuk, N. O.}, year={2020}, month={Jun.}, pages={146-149} }