BIOLOGICAL EXPERT EXAMINATION OF ULTRAFINE PARTICLES OF MICROELEMENTS THAT ARE PROMISING FOR USE IN ANIMAL HUSBANDRY
The use of ultrafine particles currently has great potential in animal husbandry, since for cattle this is determined by the fact that ultrafine substances affect the microbiocenoses of the rumen. Also in studies of other authors it was shown that ultrafine substances can have a manifest effect on the activity of microbial populations. The article presents a summary of the biological activity of ultrafine particles and their impact on the rumen microflora of cattle. The studies were conducted on the basis of the center for collective use and the Center «Nanotechnologies in agriculture» of the Federal Scientific Center for Biological Systems and Agrotechnologies of the Russian Academy of Sciences. The drugs used do not have a toxic effect on the E. coli K12 TG1 model and can be used in further experiments. The results of the study show that the use of ultrafine particles stimulates the enzymatic activity and the number of microorganisms, thereby increasing the digestibility and absorption of nutrients