Annual Culling Rate in Dairy Unit
Annual culling rate in a dairy unit is:
- 25% — Correct Answer
- 30%
- 40%
- 50%
Explanation:
Correct Answer: 25%
The standard annual culling rate in a dairy unit is 25%. This means approximately one-quarter of the herd is replaced each year with better-performing animals.
Reasons for Culling
- Low milk production
- Reproductive failure
- Chronic mastitis
- Old age
- Genetic improvement of the herd
Why Other Options Are Wrong
- 30%, 40%, 50%: These rates are too high for a standard dairy operation and would be economically unsustainable.
📚 About this Topic — Animal Refresher
This multiple choice question is from Animal Refresher, Livestock Production and Management. It has 4 options with a detailed explanation of the correct answer. Practice more MCQs from Animal Refresher to strengthen your preparation.