Abstract
The purpose of the research is increasing the efficiency of using liquid and dry biological preservatives during alfal-fa haylage. Conservation based on use of individual strains or lactic acid bacterium community is a promising direc-tion of resource – saving technologies for foraging. Influence of biologies on organoleptic properties, safety, nutri-tional value and microbiological parameters of alfalfa haylage was studied. The experiment was conducted in 2016-2018 in the laboratory of Agro-Biological Department of Tatar Research Institute of Agriculture of the Kazan Scientific Center of the Russian Academy of Sciences. The object of research is influence of biological preserva-tives on the nutritional properties of alfalfa haylage, and Aislu alfalfa breed herbage. Industrial samples of Ferbak-SIL liquid biological preservatives with and dry Bioamide-3 enzyme free were used for haylage. It was found that, on average, for 3 years of the experiment, the use of preparations led to the improvement of bio-conservation of herbage, optimization of microorganisms and improvement of nutritional properties of alfalfa haylage. Adding liquid Ferbak-SIL bio-preservative with enzymes to alfalfa herbage led to an increase in the safety of dry matter by 2.06%, raw protein – by 0.69%, raw fiber – by 0.37%, raw fat – by 0.19%, exchange energy – by 7.10%, and concentration of lactic acid bacteria-by 230.1%, compared to the control variant. Values of similar indicators in the variants of the experiment with the dry biological product Bioamide-3 enzymes free were, respectively, 0,78, 0,51, 0,11, 0,08, 3,13, 170,8 % in relation to control.
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