Mixed feed supplemented with sapropel of Chyrvonoie lake for lactating cows

Abstract

Mixed feed supplemented with 3 and 5 % of sapropel in the rations of high productive cows in winter and 2-3 % in the stable period provided increasing of milk yield by 3,61-4,13 % and 2,33-3,16 %, milk fat by 3,83-5,24 % and 3,83-4,59 % respectively. Milk of cows being fed with sapropel additives had no differences with control milk.