Topics:
Animal Refresher, Animal Reproduction
Age for Maximum Semen Output in Bull
View Complete Answer & Explanation
Question (English)
Age of bull for maximum semen output should be:
- 3–4 years
- 5–8 years ✓ Correct
- 2–3 years
- 8–10 years
Explanation:
Correct Answer: 5–8 years
Bulls produce the maximum semen output (in terms of both volume and total sperm numbers) between the ages of 5 and 8 years. During this prime reproductive period, the seminiferous tubules are at peak functional capacity.
Bull Reproductive Lifespan Stages
- Puberty: ~10–12 months (first spermatozoa)
- Training for AI: ~18 months
- Good semen quality: 2–3 years onwards
- Peak/maximum semen output: 5–8 years
- Declining semen quality: After 10 years (old-age degenerative changes)
Factors for Optimal Semen Collection
- Season: Winter is best for semen quality in bulls
- Time: Morning before feeding
- Frequency: Regular collection (2–3 times per week)
- Nutrition: Adequate protein, vitamins A and E, zinc and selenium
📚 About this Topic — Animal Refresher
This multiple choice question is from Animal Refresher, Animal Reproduction. It has 4 options with a detailed explanation of the correct answer. Practice more MCQs from Animal Refresher to strengthen your preparation.
