What is the main purpose of controlled beak trimming in commercial poultry?
Correct answer: D. To reduce feather pecking and cannibalism
- A. To improve bone formation
- B. To prevent respiratory infection
- C. To increase egg shell thickness
- D. To reduce feather pecking and cannibalism
Explanation
Controlled beak trimming reduces damage caused by pecking, especially feather pecking and cannibalism. It does not directly increase shell thickness or prevent respiratory diseases, and excessive trimming can impair feeding.
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