THE EFFECTIVENESS OF THE USE OF A BIOCHEMICAL PRESERVATIVE IN THE PREPARATION OF FEED BASED ON VEGETABLE RAW MATERIALS

UDC 631.35:636.085.51

  • Logvinova Era Viktorovna – engineer. ОYSK “Ferment” (117, Pobediteley Ave., 220062, Minsk, Republic of Belarus). E-mail: irulent@tut.by

  • Boltovskiy Valeriy Stanislavovich – DSc (Engineering), Professor, the Department of Chemical Processing of Wood. Belarusian State Technological University (13a, Sverdlova str., 220006, Minsk, Republic of Belarus). E-mail: v-boltovsky@rambler.ru

DOI: https://doi.org/10.52065/2520-2669-2023-265-1-10

Keywords: vegetable raw materials, hard-to-digest herbs, motley grass, silage, straw, bacterial starter culture, poly-enzyme preparation, vegetable feed.

For citation: Logvinova E. V., Boltovskiy V. S. The effectiveness of the use of a biochemical preservative in the preparation of feed based on vegetable raw materials. Proceedings of BSTU, issue 2, Chemical Engineering, Biotechnologies, Geoecology, 2023, no. 1 (265), pp. 88–94. DOI: https://doi.org/10.52065/2520-2669-2023-265-1-10 (In Russian).

Abstract

The main direction of the development of the feed base of ruminants is the improvement of methods of harvesting difficult-to-harvest grasses and the expansion of the feed base. One of the ways to achieve this may be the inclusion in the diet of cattle of low-value vegetable raw materials – straw of cereals and oilseeds. A promising method of increasing the silage capacity of herbs mixed with straw is the use of a complex bioconvert containing a consortium of Lactobacillus plantarum and Lactobacillus casei microorganisms and a poly-enzyme preparation based on cellulase, xylanase and pectinase. To increase the availability of enzyme preparations to hard-to-hydrolyze polysaccharide components, the straw is crushed and steamed. This makes it possible to partially convert hemicelluloses, cellulose and pectin substances into dextrins and monosaccharides, which are fermented by lactic acid bacteria mainly into lactic acid. Thus, a high preservative effect is achieved, the digestibility of raw fiber increases, the fine properties of straw improve, which increases its digestibility compared to its use in dry form. Harvesting high-quality feed as the cheapest source of protein and digestible sugars allows you to reduce the amount of expensive concentrates and include straw in the diet of cattle.

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07.11.2022