For citations:

Barsukova M.A., Narozhnykh K.N., Ivanova O.A. Comparative assessment of the mineral content in the blood of cows and heifers of the Hereford breed in adjacent generations. Agricultural Science Euro-North-East. 2026;27(1):154-163. (In Russ.) https://doi.org/10.30766/2072-9081.2026.27.1.154-163