For citations:

Sakhanchuk A.I., Kallaur M.G., Kot E.G., Nevar A.A. STANDARDS FOR REQUIREMENTS STANDARDS FOR METABOLIC ENERGY AND CRUDE PROTEIN FOR COWS OF HOLSTEIN DAIRY CATTLE POPULATION OF DOMESTIC SELECTION DURING THE 1ST THIRD OF LACTATION. Zootechnical Science of Belarus. 2020;55(2):133-139. (In Russ.)