Data about researches of using in the farm animals diet compound feeds based on flattened grain are provided in article. The article describes the advantages of using this kind of diets over against shredded fodder grain. The positive influence performance gain, milk production of cattle by the use of animal feed with the grain portion obtained by crushing technology are given. The grain flattening machine design with technology of an internal flattening and two rollers which novelty is confirmed with the patent for the invention is offered
Keywords: flattening, grain flattening machine, breast, private farming, feed nutrients