Horse breeding from planning through foal care
Original Isolation (California) on Nov. 24, 1997, bacterial cultures were obtained from a mammoth donkey jack located in Sacramento County, Calif., in preparation to qualify his semen for export. Specimens were submitted to
The contagious equine metritis (CEM)-affected jack in California is approximately 11 years old and has been owned by the same individual for 10 years since purchased at a local mule event. From purchase until
In a separate and unrelated incident, a second contagious equine metritis (CEM)-like organism was recovered from a jack in Kentucky which has no known association or relation to the California jack. Two Standardbred mares
As of Feb. 18, three more horses had tested positive for a CEM-like organism in Kentucky. A Paint stallion and two pregnant mares were cultured positive for the organism on the original nurse mare farm in Kentucky where the organism that cause”P>As of Feb. 18, three more horses had tested positive for a CEM-like organism in Kentucky. A Paint stallion and two pregnant mares were cultured positive for the organism on the orig”>As of Feb. 18, three more horses had tested positive for a CEM-like organism in Kentucky. A Paint stallion and two pregn”As of Feb. 18, three more horses had tested positive for a CE”s
Two studies involving the use of altrenogest (Regu-Mate) to control behavior of stallions appeared on the surface to have contradictory results.
Eleven months is a considerable length of time to anticipate the birth of a foal. A great deal of hope, excitement, dreams, and financial investment can accompany the arrival of a newborn. Because of the long wait, most owners want to monitor th
A broodmare which fails to conceive or carry a foal to term can be an emotional and financial liability. For the backyard breeder, the liability might be primarily emotional, when that special mare you wanted to produce your next trail horse or
One of the most significant advances in equine management in recent years has been the advent of ultrasonography, or ultrasound. Through this technology, which bounces repeating sound waves off tissues and structures in the horse’s body and
Foal sharing, by definition, is an agreement under which a mare owner puts up the use of a mare while the stallion owner puts up the use of a season. Together, the two partners own the resulting foal with no currency having changed hands for a stud for a stud fee or lease of the mare.
It has been more than 40 years since Canadian investigators reported the birth of the first foal from the insemination of a mare using frozen stallion semen. Since then, the technology of semen freezing has evolved tremendously. On a
Tyzzer’s disease affects many species of animals. It was originally described as an illness of mice, but has also been reported to cause disease in dogs, cats, rats, gerbils, rabbits, guinea pigs, monkeys, muskrats, hamsters, and foals. Tyzzer’s
It is well established that early conceptus loss (the embryo and its associated extra-embryonic membranes) is a major source of reproductive inefficiency in domestic animals. Early pregnancy in all mammals is characterized by a high fertilizatio
A mare goes into labor. Powerful and swift contractions expel a foal that, for a short time, lies helpless in the straw or on the grass. A handler quietly approaches the wet creature that is drawing its first breaths. This
Final preparations will need to be made so that the newborn foal gets the best chance at life.
For all things there is a time and a season. Nowhere is this more true than in equine reproduction. Nature has established a definite time and season for mares to conceive and bear foals. It is a very sensible approach on the part of
Foals, just as infants, are vulnerable to disease and infection because their young bodies are naive to the world of germs and bacteria. The inclination, particularly for horse owners who choose to vaccinate their own horses, is to
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