For citations:
Filatov A.V., Shemuranova N.A., Sapozhnikov A.F. The efficiency of Profort additive in feeding cows during the period of increasing the milk yield. Agricultural Science Euro-North-East. 2019;20(5):478-487. (In Russ.) https://doi.org/10.30766/2072-9081.2019.20.5.478-487