Growth of virus in embryonated egg, eggs are incubated for -: (A) 4-8 hours, (B) 1-2 days, (C) 5-12 days, (D) 20-25 days
Answer is C. Ans. is 'c' i.e., 5-12 days "For virus isolation, feile chicken eggs are incubated for 5-12 days, and a viral Suspension or suspected virus - containing" tissue is injected into the fluid of the egg.