105 Whispering Hope Dr.
Villa Ridge, MO 63089

Phone: 636-451-4655

Fax: 636-451-3595

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Reproductive Services

reproductiveWe routinely examine mares for breeding soundness and cycle management as well as perform artificial insemination with fresh, cooled, or frozen semen.

If you are thinking about breeding your show mare, seasoned broodmare or a mare that has not been able to get in foal for years, Dr. Sawyer has worked with mares of all types.  With several years of experience working on breeding farms and an internship specializing in the breeding of Thoroughbreds, Dr. Sawyer offers cutting edge treatments and effective management of subfertile mares.

Breeding soundness exams - Breeding soundness exams can be performed as part of a pre-purchase for a broodmare or prospective broodmare.  Breeding Soundness Exams can include palpation, ultrasound, culture and cytology, speculum exam and additional tests if necessary.

Artificial Insemination - The process of breeding mares is both exciting and rewarding however it can also be a challenging endeavor. Our veterinarians offer their experience with fresh, chilled and frozen semen in an attempt to impregnate your mare. First, we evaluate the reproductive health of your mare, and then we work with the stallion manager to facilitate the crucial timing of insemination. Frozen semen storage is available.

foalingFoaling Examinations -

Eleven months is a long time to wait for a foal!  So when your newest addition has arrived, it is imperative that a veterinarian performs a thorough new foal exam to make sure the foal has the best start to their life.  New foal exams are important to assess the foal for any birth defects (laxity of limbs, inverted eyelids, hernias, etc), conformational issues, rib fractures from the foaling, and to pull blood to check if the foal received enough immunity in the colostrum (first milk) from the dam.  The foal has no immunity other than that aquired from the dam's milk during the first few hours of life. Mares should also be closely examined for adequate milk production and for injuries during foaling. Our facility offers in camera foaling stalls with live, night-vision cameras allowing us 24 hour monitoring of both the new born foal and your mare.

Foals acquire antibodies through colostrum (contained in the mare's milk) and not in utero. The colostrum ingestion must be within a few hours of birth in order to develop an adequate immune system. We recommend foal IgG test which gives fast, accurate results in just minutes—enabling detection of low levels of IgG. Quick and accurate detection of neonate IgG levels is critical. Low levels of IgG can lead to bacterial infections, arthritis, pneumonia and enteritis. Up to 25% of foals may have low levels of IgG1. Foals have only 24 hours after birth to absorb immunoglobulins from the colostrum. Delayed test results necessitate costly intravenous delivery of immunoglobulins. If left untreated, defenseless foals may die.

A foal’s health can decline quickly and Dr. Sawyer has treated numerous cases of dummy foals, joint ill, naval ill, diarrhea, colic, pneumonia, etc on the farm.

Some signs that your foal may not be feeling well:


  • Not nursing: check your mare's bag.  It should be soft and the teats should be facing downwards.  If the bag is so distended that the mare's teats are facing outwards or milk is dripping, call your veterinarian immediately.

  • Urine is seen coming from the umbilicus/naval.

  • Your foal is posturing to urinate or defecate but nothing is coming out.

  • Your foal has a very distended belly, is rolling, or is standing in a corner for long periods of time.

  • The foal did not stand to nurse after foaling or is unable to stand due to a conformational defect.

  • You can see milk coming from the foal's nostrils after it nurses.


If you foal is exhibiting any of these symptoms please call us immediately.

Foals also require a different vaccination and deworming program than an adult horse.  Call us to discuss your foal’s wellness program today!

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