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What is Colonies of M. tuberculosis appear in about and explain in detail?
→ Generation time : 14-15 hours.
→ Colonies appear in about 2 weeks (may take upto 8 weeks).
→ Grows luxuriantly in culture (Eugonic) and addition of 0.5% glycerol improves its growth but it has no effect on M.Bovis, which is dysgonic (Grows sparsely).
→ Solid medium ⇒ Most widely employed for routine culture is Lowenstein-Jensen (LJ) medium without starch.