Ideal percentage of CO2 required for growth of Brucella abous ?: (A) 2-5%, (B) 5-10%, (C) 15-20%, (D) 25-30%
Answer is B. Ans. is. b. i.e., 5-10% "Addition of 5-10% CO, improves the growth of B abous and B. melitensis".All Brucella spp. are strictly aerobic, but some B. abous biovars, some Brucella isolates from marine mammals, and B. ovis only grow in atmospheres containing 5-10% CO,.