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Effect of controlled exercise on libido in 2-yr-old stallions
Journal of Animal Science
|May 1, 1986
Summary
Daily forced exercise negatively impacted stallion libido, with exercised horses showing significantly lower scores over time compared to non-exercised controls. This effect persisted even after exercise ceased.
Area of Science:
- Equine Reproduction
- Animal Physiology
- Exercise Science
Background:
- Stallion libido is crucial for successful breeding programs.
- The impact of exercise on stallion sexual behavior requires further investigation.
Purpose of the Study:
- To evaluate the effect of daily forced exercise on libido in sexually inexperienced Morgan stallions.
Main Methods:
- Eight 2-year-old Morgan stallions were divided into two groups in a crossover design.
- Stallions underwent alternating 16-week periods of daily forced exercise or confinement.
- Libido was scored on a 0-4 scale during semen collections every 14 days.
Main Results:
- Exercised stallions exhibited a trend towards lower libido scores from week 10 in Phase 1.
- In Phase 2, exercised stallions showed a significant decrease in libido scores over time (P < .01).
- Non-exercised stallions maintained stable or increased libido scores, with significant differences observed by week 32.
Conclusions:
- Daily forced exercise can negatively affect stallion libido.
- Libido scores in exercised stallions were lower than in non-exercised stallions after prolonged exercise.
- Libido levels may recover after exercise cessation, but further study is needed.