Which organ is the primary target of infectious bursal disease virus in young chickens?
Correct answer: A. Bursa of Fabricius
- A. Bursa of Fabricius
- B. Thymus gland
- C. Pancreas
- D. Cecal tonsils
Explanation
Infectious bursal disease virus primarily damages the Bursa of Fabricius, an important site of B-lymphocyte development in young chickens. Thymic disease mainly affects T-cell development and is not the defining lesion of this infection.
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Covers the recognition, diagnosis, prevention and medical treatment of diseases affecting domestic animals, including infectious, metabolic, nutritional, toxic and organ-system disorders. It links history taking, physical examination, clinical signs, laboratory findings and differential diagnosis with appropriate therapy and herd or flock control.
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