Sapropels chemical content in the Republic of Tatarstan and their further usage in animal husbandary

In commercial animal husbandary the feed supplements of natural origin are widely used in order to low the prices and to increase their competitiveness. These supplements possess the unique ion-exchanging and sorbent properties, possibilities to optimize of mineral feeding. The problem and the ways of its solving by using sapropel as a fodder supplement- very important resource of the republic-is discussed in the article.