MICROMORPHOLOGY OF THYROID GLAND OF BOARS UNDER THE INFLUENCE OF BIOGENIC PREPARATIONS
The article presents the research results of the influence of micronutrient supplements of of the Russian production on micromorphology of thyroid gland of landrace breed of boars that are raised in agrolandscape conditions of the Chuvash Republic. The experiment established that the diet enriched with zeolite-containing drug and intramuscular animal drug «Sedimin <sup>®»</sup> increas the functional activity of thyroid gland which provides an adaptive reactions of bodies of productive animals in industrial farming.