| abstract |
FIELD: biotechnology. n SUBSTANCE: invention relates to biotechnology. The invention is a liquid nutrient medium for growing and collecting biomass of the vaccine strain of the plague microbe Yersinia pestis EV containing following ingredients: casein pancreatic hydrolyzate - 89.0 ml, dry enzymatic peptone - 20.0 g, sodium chloride - 5.0 g, sodium phosphate disubstituted 12 –aqueous - 4.0 g, ammonium molybdate 4-aqueous - 0.5 g, distilled water up to 1 liter. n EFFECT: invention makes it possible to ensure a sufficient collection of biomass with high percentage of living microbial cells after 48 hours. n 1 cl, 3 ex |