Эффективность применения пробиотиков при консервировании зернофуража повышенной влажности
Abstract. The effective conservation of grain fodder with high humidity is an important problem of feed production, especially in the conditions of Carpathian region of Ukraine with damp climate. Known methods for wet grain storage are economically unjustified due to the high cost of energy. The aim of the research was to improve the processes of preservation of grain fodder with high humidity by using inexpensive preparations made of new probiotic microorganisms strains for maximum preservation of nutrients in grain. In this study the new microbial preparations Subtikon and KT-L 18/1 were used as preservatives for grain of winter wheat (19.7 percent moisture) and barley (19.2% percent moisture). Two variants: a) no treatment and b) carbon-ammonium salt treatment served as controls. After 15, 30 and 70 days of storage the chemical composition and the degree of preservabilty of dry matter were determined, as well as the content and ratio of major fermentation acids and quantitative composition of microflora: lactic acid bacteria, fungi, yeasts, aerobic bacilli, pseudomonads, and clostridia. After 70 days of storage in the experimental variants treated with Subtikon and KT-L 18/1 the preservabillity of dry matter as an integral indicator of fodder nutritive value was of 98.1 and 97.5% (wheat) and 99.0 and 98.3% (barley). The analysis of microbiological parameters and major fermentation acids content confirmed the preserving ability of the analyzed preparations. In the grain treated with probiotics the number of most desirable lactic acid bacteria was higher than in the control variants. The highest concentration of lactic acid which is the product of lactic acid bacteria activity and the main preservating factor was found in KT-L 18/1 variant.
Key words: Grain fodder; Conservation; Microbial preservatives; Probiotics; Preservability; Dry matter.
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