A LIQUID EGG YOLK CULTURE MEDIUM FOR GROWING PASTEURELLA TULARENSIS. REPORT III. VIABILITY, VIRULENCE AND AGGLUTINABILITY OF PASTEURELLA TULARENSIS CULTURES PRESERVED IN THE LIQUID EGG YOLK CULTURE MEDIUM (ZHIDKAYA ZHELTOCHINAYA SREDA DLYA VYRASHCHIVANIYA KULTUR TULYAREMII. SOOBSHCHENIE III)
ARMY BIOLOGICAL LABS FREDERICK MD
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In the liquid egg yolk culture medium, Pasteurella tularensis retains its basic characteristics for a long time. The author could establish in her studies that Pasteurella tularensis strains retain their full viability, virulence and agglutinability characteristics for one year, and longer. The liquid egg yolk medium is an ideal culture for Pasteurella tularensis, because due to its physiochemical properties and the fact that it contains all the indispensable nutritive ingredients it offers this microorganism optimum growing conditions.