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Microbial contamination of feed reduces the efficiency of livestock and poultry production, negatively affects the quality of this product. The purpose of the work is to determine the degree of microbial contamination of feed and assess the effectiveness of using the electro-physical method of reducing it. A study of the quality of poultry feed was carried out at the Kemerovo State Agricultural Institute in 2018. The level of general microbial contamination of the studied feed lots was quite high. For feed grain, the total microbial number exceeded the standard indicator by 54 times. The total number of mushrooms for feed was 1.2 · 102 CFU/g, for feed mixtures 1.9 · 102 CFU/g, for grain of wheat 1.5 · 103 CFU/g. The total microbial number, respectively: 3.0 · 105 CFU/g; 6.3 · 105 CFU/g; 2.7 · 106 CFU/g. Processing of feed in the electromagnetic field of a traveling microwave wave using the technology of EcoMashService LLC (Russia) allows simultaneously drying and disinfecting the material. The microwave processing regime used in the study (60 kW power, magnetron frequency 915 MHz, exposure time 90 seconds) reduced microbial contamination: for compound feed, the decrease in the total microbial number relative to control was 142.9 times, feed mixtures 7.9 times, wheat grains 16, 9 times; a decrease in the total number of mushrooms in 4.0; 17.3 and 4.8 times, respectively. The results of the study let us to conclude that the electrophysical method used in the processing of feed for productive poultry effectively reduces their contamination.

Electromagnetic Field of Super High Frequency as a Method for Controling Microbial Exchange of Poultry Feed