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The fight against mastitis was and remains one of the most serious problems in the dairy farming. The disease is widespread throughout Russia among cows of different breeds. According to our data, more than a half of the number of cows, up to 68.5% in a herd, go through mastitis during a year in the farms examined by us; 55.0% of them go through it from two to seven times. The coccal microflora has the decisive importance according to the frequency of isolation rate from the secretion of the udder of cows with mastitis -87.5% of the total number of isolated cultures with farm fluctuations from 40.0% to 100.0%. The test results of the vaccine “Streptostaphus” in three farms of the region made it possible to determine the most effective vaccination scheme for animals and to develop a “Method of specific prophylaxis of mastitis in cows.” The employees of the branch proposed a pattern of use of the complex drug “Amber-splenivitis” on pregnant animals with the aim of preventing mastitis in cows in the dry and postpartum periods. The use of antimicrobial drugs of prolonged action during the cows drying off period is advisable to take into account the sensitivity of microflora to them, released from the secretion of the udder of lactating cows of a single farm (complex). The prevention of massive mastitis in cows should include the implementation of measures aimed at increasing both the general resistance and specific reactivity of the cows organism.

Improved measures for the prevention of mass mastitis in cows in the Vologda region farms