Impact of the preparation of"Oligovit" on the natural resistance оf cows and their calves
There are given the results of researches which were focused on the impact of complex vitamin-mineral product «Oligovit» on the activity of humoral factors of body’s natural protection both in cows — during the last day of pregnancy, after calving and in their calves. It was set up that bactericidal, lysozyme and complement activity of blood serum increase in cows and their calves and circulating immune complex capacity decrease against Baseline were caused by intramuscular injection of the product given to cows 30 and 24–48 hours before parturition.