Infectious bursal disease primarily damages which organ in young chickens?
Correct answer: D. Bursa of Fabricius
- A. Thymus
- B. Cecal tonsils
- C. Spleen
- D. Bursa of Fabricius
Explanation
Infectious bursal disease causes lymphoid depletion in the Bursa of Fabricius, particularly affecting developing B-cell populations. The thymus is primarily associated with T-cell development, making it a common distractor.
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