Abstract
The ecological conditions of fodder production and agricultural technology for the cultivation of fodder resources have a great influence on the characteristics in the chemical composition and nutritional value of local fodders, determines their yield and the economic aspect of production. The Amur Region belongs to a biogeochemical region with a sharp deficiency in the biosphere of a number of normalized macro-and microelements vital for animals. In this regard, mineral supplements and premixes for animals and poultry imported from other regions can be not only useless, but even harmful. In order to determine the need for feeding with minerals, you need to know which chemical elements are contained in feed and in the diet in insufficient quantities, and which in excess. Along with this, the normalized microelements introduced into the composition of feed and rations in the form of mineral salts are poorly digested by all types of animals. It is most effective to feed them in combination with organic nutrients. In this regard, the purpose of the experimental research was to study the possibility of using feed additives made from local non-traditional feed resources in feeding cattle. As a result of scientific, economic and physiological (balance) experiments, the effectiveness of using feed additives made from local fodder resources in feeding cattle for growth, metabolism and milk productivity was determined.
Highlights
The current stage in the development of cattle breeding is characterized by ever-increasing requirements for a quantitative increase in production, an improvement in its quality and a reduction in production costs
The purpose of the research was to study the effect of feed additives made from local fodder resources on the growth, metabolism and milk production of first-calf cows
Basic diet (BD) + premix P62-1, containing trace elements in organic form in the composition of alginates of anfeltia red Experimental studies have shown that with the inclusion in the diet of replacement heifers of normalized microelements in organic form in the composition of soy protein asparaginates and in the composition of red anfeltia, the highest live weight indicators were in both experimental groups in all age periods (Table 2)
Summary
The current stage in the development of cattle breeding is characterized by ever-increasing requirements for a quantitative increase in production, an improvement in its quality and a reduction in production costs The solution to this issue in the conditions of the Amur region has its own specific features, which are due to a whole range of natural and climatic conditions that have influenced the nature of the local food base. In this regard, the problem of providing adequate nutrition for animals, including cattle, should be solved through the production of balancing feed additives [3,4,7,15]. Recipes for balancing feed additives must be developed taking into account natural and climatic conditions and modern standardized feeding of animals [5,6,7]
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