By results of bio-hygienic experiment on studying the functional state of the animals under the influence of MP power frequency at different load levels set response characteristics of various body systems depending on the time of operation and operating factors that can be the basis of scientific evidence hygienic assessment of MP PT. Features defined metabolic disorders showed the depend-ence of realization MP adverse effects on the body and on the current level of the factor of time. There have been a violation of protein and carbohydrate metabolism.