Abstract
In the article the advantages of using grain legumes as protein plant concentrates are analysed, and a comparative analysis of the chemical composition of the pea and the soybean meal is carried out. Besides, the official parameters for different protein products for pig feeding are presented. To determine whether it is possible to introduce protein plant concentrates into compound feed, it is necessary to know their physical properties. So, the physical properties of the protein plant concentrates have been investigated for the following parameters: moisture content, bulk density, angle of repose, and flowability. Methods of introducing protein plant concentrates into compound feeds have been developed and presented. Taking into account the physical properties and norms of introducing protein plant concentrates for farm animals and poultry, a scheme has been developed for a technological line preparing a portion of grain, powdery, mineral raw materials and meals. One of the methods of introducing protein plant concentrates into compound feeds is extrusion. That is why, a technological scheme of an extrusion line for grain legumes has been developed. The technological scheme provides for the extrusion of a soybeans and peas mixture in the ratio 1:1. Also, the physical properties of the extruded feed additive have been studied. With the software package “Korm Optima Expert,” recipes for feeding piglets aged 43–60 days have been calculated (with protein plant concentrates used in the recipes), and some feeds of animal origin have been replaced with extruded feed additives. According to the calculated recipes, an experimental batch of mixed feeds with the use of protein plant concentrates has been manufactured, and its physical properties have been determined.
Highlights
Formulation of the problemCurrently, in Ukraine and abroad, in order to increase pork production, various broad spectrum feed additives are used, which differ in their origin, biologically active components, and production technology
In Ukraine and abroad, in order to increase pork production, various broad spectrum feed additives are used, which differ in their origin, biologically active components, and production technology
To determine whether it is possible to use protein plant concentrates as a component of compound feeds, the physical properties of the concentrate have been studied (Table 3)
Summary
In Ukraine and abroad, in order to increase pork production, various broad spectrum feed additives are used, which differ in their origin, biologically active components, and production technology. Introducing them into animal diets helps to maximize the use of nutrients, positively effects on their digestion and assimilation. This leads to rational and economical use of forages, raising. The productivity of animals, and improving the quality of products Livestock farming in these conditions becomes economically feasible. Regardless of the accepted technology of pork production, the system for growing piglets is one of the most important technological processes The results of this process directly influence the final animal-raising and economic indicators of the whole industry. The main criterion for the growth and development of piglets is their live weight It depends primarily on whether they are provided with digestible quality feeds [3]. Such feeds are better digested and stimulate the health of the intestine [4,5,6,7]
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