ABSTRACT
Red clover and Galega orientalis are perennial legume grasses widely used in feed production in the Republic of Belarus. They play an important role in providing animals with nutritious feed of high quality and obtaining livestock products with the lowest cost. Different types of feed are prepared from them: hay, haylage, silage, and green feed. With a variety of feeds, they can be included in the diet of the animals throughout the year. During the growing period, the grass stand of a high yielding clover and G. orientalis can ensure the production per hectare of 1.5-3.0 t of nutritious by fraction and amino acid composition protein, which is characterized not only by the high digestibility of itself, but also increases the digestibility of feeds from other crops. The low cost of feed produced from red clover and G. orientalis is provided by their ability as legumes to synthesize protein at the expense of the biological fixation of atmospheric nitrogen, while excluding the costs of energy-intensive and expensive nitrogen fertilizers [1]. However, the nutritional value of feed and the quality are largely dependent on the varieties of crops. Therefore, in the BSAA at the Department of Breeding and Genetics for many years, there have been breeding work on creating a new raw material and varieties of red clover and eastern G. orientalis with high yield and forage nutritive value. As a result of selective breeding varieties of red clover Mereya, TOS-870, and G. orientalis Nesterka were created, which are widely cultivated in the production of the Republic of Belarus. In addition, a new original material with a different combination of morphological and agronomic and biological characteristics and properties was produced [2-4]. To increase the nutritional value in the produced varieties, biochemical assessment of the initial material is an integral part of the selection process.
