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Equine Breeding

Artificial insemination

Artificial insemination involves regular ultrasound examination of your mare’s reproductive system to identify the best timing for a single insemination with fresh, chilled or frozen semen.
Frozen semen can be shipped to our facility and stored in our liquid nitrogen tanks, for safe keeping indefinitely until required. Fresh semen can be collected from resident or walk-in stallions and used on-site
Your mare will receive a thorough breeding soundness examination on arrival to assess for any possible issues.
AI procedure:
On arrival at our breeding centre your mare is scanned and a breeding soundness evaluation is conducted. This includes assessment of the vulva, vaginal cavity, cervix, uterus and ovaries. Any potential problems are reported to the mare owner; this may include poor vulval conformation, fluid pooling, and uterine infections to name a few. Treatment and management of these problems are discussed with the owner prior to breeding.
Once your mare has the green light for breeding the reproductive tract will be scanned regularly to optimise best breed time.
If using
Chilled semen: Will be ordered prior to ovulation of the mare with the aim to inseminate the mare 12 hrs prior.
Frozen semen: Can be delivered to our facility at any time during the year. We ask all frozen semen arrive prior to the mare coming into oestrus to reduce the disappointment of not being able to inseminate if there is an issue with couriers and delivery.
Fresh semen: Collected on site with the mare being inseminated 6-12 hrs prior to ovulation.
Post breeding scans and treatments are administered as required. This may include oxytocin to help remove excess fluid, uterine lavage to clean any debris after breeding, and antibiotics to maintain an optimal environment. Mares are welcome to stay at our breeding centre until their 14-day scan or can return home approximately 2-3 days after insemination.
At 14 days the mare returns for her pregnancy scan. If twins are present at this stage ablation of one sac is performed as twins in horses are not deemed viable.

Embryo transfer

How does embryo transfer work:
Your mare is inseminated with fresh, chilled or frozen semen and the ovulation time is closely monitored to ensure correct synchronisation of the donor and recipient mare.
The donor mare is flushed at approximately 7-8 days post ovulation and if an embryo is successfully recovered, the embryo is then transferred into a suitable recipient mare.
Why do embryo transfer?
To breed progeny from performance mares without interruption to their competition schedule and while they are at optimal breeding age.
For mares who fail to carry foals to term.
For the opportunity to breed more than one foal/year/mare.
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Davidson Equestrian facility in Toowoomba, QLD

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