@article{Prishedko_Lesnоvskay_Karlova_Dutka_2017, title={Economic efficiency of the use of using the first-born cows of Holstein breed with different intensity of their formation in early ontogenesis}, volume={19}, url={https://nvlvet.com.ua/index.php/agriculture/article/view/2801}, number={79}, journal={Scientific Messenger of LNU of Veterinary Medicine and Biotechnologies. Series: Agricultural sciences}, author={Prishedko, V. and LesnоvskayE. and Karlova, L. and Dutka, V.}, year={2017}, month={Oct.}, pages={163–168}