@article{Hrymak_2019, title={The sexual activity of the ram-sires, depending on their mode of use}, volume={21}, url={https://nvlvet.com.ua/index.php/agriculture/article/view/3805}, DOI={10.32718/nvlvet-a9105}, number={91}, journal={Scientific Messenger of LNU of Veterinary Medicine and Biotechnologies. Series: Agricultural sciences}, author={Hrymak, K.}, year={2019}, month={Nov.}, pages={29-32}