USE OF A PREMIX FOR DAIRY COWS DURING THE FIRST PERIOD OF LACTATION

Abstract

This work includes scientific investigations of the new recipe of a premix for the
dairy cows in the first period of lactation. Use of a mineral-vitamin premix has
positive influence on milk performance through the increasing the daily milk yield
from 18 to 20 kg or on 2.5 kg per cow, the contents of a protein in milk from 2.5 to
2,65%, casein in milk from 1.93 to 2.07%, mineral matter from 0.77 to 0.82%.
Economic effect per cow in the trial group has made 404.1 lei in comparison with
the control group.