Abstract
Summary
Three newly isolated strains of bovine tubercle bacilli that were unable to grow on Long's medium grew luxuriously on this medium after the addition of 0.1% pyruvate. Of 3 laboratory strains of “dysgonic” bovine tubercle bacilli, 2 showed a similar behavior. Addition of pyruvate had no effect on the growth of 12 human strains of tubercle bacilli.
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