For citations:
Trofimov A.F., Timoshenko V.N., Muzyka A.A., Petchonova M.A., Balueva N.A., Gurina D.V. Effect of «Erakond» Preparation on Increase of Colostrum Immune Qualities of Cows and Immune System of Calves. Zootechnical Science of Belarus. 2009;44(1):285-294. (In Russ.)