FIELD: chemistry, organic, production of fermented milk products.
SUBSTANCE: invention relates to diary industry, to production of fermented milk products in particular. Bacteria strain Lactococcus lactis subsp. diacetilactis "ТК-ОБЛ-Д5-5Ф" (Russian collection of lactate bacteria for production of cheese and bacteriophages for them at the "ВНИИМС") was obtained from self-sour cream and selected by the sensitivity spectrum for 250 known bacteriophages. It is used as an indicator strain for revealing the lactococci bacteriophages, ways and sources of their spreading at an enterprise. The invention enables one to prevent development of bacteriophages in production of milk produce, to improve its quality and safety for human health, as well as to increase efficiency of the production.
EFFECT: increase of the production efficiency, quality and safety of milk produce.
1 ex
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