دانلود رایگان مقاله انگلیسی حالت های زیستی تشدید دامی - اشپرینگر 2018

Abstract

One of the main goals of the Russian agro-industrial complex is striving to achieve world indices. To achieve this, the fundamentals of the Russian grain economy have been revised; elevator farming and forage production are brought to the modern level. Russian production of grain-forage has been improved: the content of food grains in it is reducing and the content of barley, leguminous, and corn is increasing. These lead to cropping increasing of the mentioned crops. As a substitution for soy protein, protein of lupine and peas are offered. This protein is almost equal in quality to soy protein but is much cheaper. Further investigations on the cattle physiology will help to reveal the genetic potential of calves and cows.

The problem of the protein content increase in concentrates is urgent. Russian cattle breeding is provided with imported soy protein by almost 60%, which is not justified in modern conditions. As substitutes for soy protein, proteins of lupine and peas are offered; they are almost equal in quality to soy protein but much cheaper. Mixed fodders currently contain not more than 14% of proteins in comparison with the physiologically necessary 18%. Achieving the balance of proteins in mixed fodders will ensure an annual saving of 12–15 mln t of feed grain. Domestic production of protein raw materials is not yet fully satisfying the needs of Russian livestock. Its procurement abroad causes the increase in the cost of mixed fodders, reducing their demand and the volume of production. To improve the situation, it is necessary to control the feed quality during their production. We need a thorough analysis of raw materials and the production process; this will make it possible to obtain high-quality feed. Suppliers of biologically active substances usually do not analyze the products that they sell. It is necessary to define many indicators and correctly interpret them taking into account achievement of their balance with other components of premix [2].