Татьяна Васильевна Ананьева The research relevance is caused by the fact that increasing the sanitary and hygienic qualities of milk and dairy products demands the professionally designed manufacturing technology and culture, improveed conditions of the equipment use and the development of methods influencing the microbiological characteristics. The research object is the milk of the Kholmogory breed cows kept under free stall (loose) (group I) and tie-up (group II) systems. It has been established that the method of keeping does not affect the physico-chemical parameters, which meet the requirements for raw milk. Milk density, freezing point, acidity and the amount of somatic cells are all affected by the seasonal factors. Changes in the quantitative composition of sanitary-indicative microorganisms of raw milk depend both on the way the cows are kept and milked, and on the season. The highest bacterial contamination of milk has been observed under loose housing. The maximum quantity of microorganisms is observed in the summer period for both methods of keeping. No salmonella have been detected, while yeasts and molds have been registered in all milk samples. The authors propose a method of electromagnetic influence on the microbial cell control system, which allows to reduce the degree of microorganism development and increase the milk quality. The influence of electromagnetic radiation on the development of individual microorganisms has been registered. The largest quantity of mesophilic aerobic and facultative anaerobic microorganisms (QMAFAnM) has been observed in raw milk without any external influence with a total number of486,000 CFU/ml. When exposed to electromagnetic pulses, the quantity of yeast and mold fungi decreased in 9 or more times.
Научная статья 
electromagnetic installation