For citations:
Solomakhin A.A., Mityashova O.S., Rykov R.A., Smekalova A.A., Lebedeva I.Yu. Dynamics of changes in indicators of protein-carbohydrate metabolism in the first trimester of lactation in cows of the Black Pied breed in relation to different reproductive potentials. Genetics and breeding of animals. 2019;(4):20-25. (In Russ.) https://doi.org/10.31043/2410-2733-2019-3-3-10