Moulting of bird is done after ______________________?
Correct answer: B. 72 weeks
- A. 70 weeks
- B. 72 weeks
- C. 60 weeks
- D. 65 weeks
Explanation
Commercial laying birds are commonly retained until roughly 72 weeks, after which moulting or flock replacement is considered. The exact timing can vary with the production system, but 72 weeks is the standard figure used here.
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