Altrenogest for Mares
Managing Estrous Cycles, Breeding Efficiency, and Reproductive Health
Altrenogest is a synthetic progestin widely used in horses to regulate mares' reproductive cycles. It mimics natural progesterone to control estrus, improve breeding efficiency, and address behavioral or reproductive problems.
How Mares Use Altrenogest
By inhibiting FSH (follicle-stimulating hormone) secretion, Altrenogest keeps mares in diestrus and prevents ovarian follicle development. This allows breeders and veterinarians to:
- Control and coordinate heat cycles
- Regulate ovulation timing
- Plan embryo transfer, artificial insemination, or breeding
- Increase the likelihood of successful pregnancy
Typical Applications in Horses
1. Synchronization of Estrus
Aligns cycles across multiple mares to establish regular breeding schedules.
2. Increasing Breeding Efficiency
Allows precise timing of insemination for maximum fertility.
3. Managing Behavioral Problems
Suppresses undesirable estrous behaviors such as irritability or aggression during training or competition.
4. Handling Reproductive Issues
Used for extended or erratic heat, prolonged estrus, and cycle-related performance problems.
Types of Altrenogest
Altrenogest comes in several formulations to suit the mare's needs and ease of administration:
- Oral treatments
- Topical gels
- Injectable forms
Crucial Safety Information
- Administer only as directed by a veterinarian.
- Pregnant or reproductive-age women should avoid handling without proper protection due to hormonal exposure risks.
Conclusion
Altrenogest is a critical tool in equine reproductive management. By regulating the estrous cycle, enhancing breeding predictability, and addressing behavioral or reproductive issues, it helps maintain healthier mares and improves reproductive outcomes.