Infectious bronchitis of chickens is caused by a virus belonging to which group?
Correct answer: C. Coronavirus group
- A. Paramyxovirus group
- B. Herpesvirus group
- C. Coronavirus group
- D. Orthomyxovirus group
Explanation
Infectious bronchitis virus is an avian coronavirus that primarily affects the respiratory tract, although some strains also affect kidneys or reproductive tissues. Paramyxoviruses cause diseases such as Newcastle disease, while herpesviruses include Marek's disease virus.
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