The search for new highly effective drugs in the series of modified isoflavonoids is very promising in view of their availability. Large amounts of isoflavonoids are contained in leguminous plants, which provide excellent fodder for agricultural animals. They have a positive effect on the increase in weight of the animals and the increase in their productivity. Addition of certain isoflavones in an amount of 0.0001 to 0.1% to the animal fodder results ...