Equine protozoal myeloencephalitis (EPM) is the most prevalent cause of neurologic disease of horses in the Americas (North, Central and South America). It is an extremely serious disease that can be difficult to diagnose due to the fact that its pre …

Early and accurate diagnosis of pregnancy in the mare is critical in determining her reproductive viability during the breeding season. Once a mare has been determined to be pregnant, her embryonic growth and fetal development may be accurately monit …

Shivers is a neuromuscular syndrome in horses that has been recognized for centuries.1 At certain times, this condition has been called “Shivers” or “Shivering,” but both refer to the same syndrome. Interestingly, the literature states that throughou …

People who love horses tend to really love horses, and that goes triple for the horse owner who has decided to move forward with breeding their mare. Whether it’s an individual horse owner with a prized mare or a breeding operation of pretty much any …

The gestation period of the mare is less well-defined as compared to many other mammals. In other words, the window for parturition in the mare is much broader than that of other mammals. Mares are seasonally polyestrus, which means that their breedi …

In relation to horses, and performance horses in particular, the word “fatigue” is typically used to denote a horse’s inability to continue to perform at the desired level. This may manifest as slowing down, not being able to jump as high as is opti …

As discussed several times in this space, mares seasonally polyestrus, which means that their estrous cycles depend on the season. A mare will undergo regular estrus cycles during late Spring, Summer and early Fall, and none during Winter. It is larg …

Many mares posses the bona fides that warrant breeding, such as good temperament, conformation, bloodlines and talent, but age is also a very important consideration. Despite the fact that it isn’t at all uncommon to find mares bred during their 20s, …

Horse owners and managers commonly report muscular fatigue of horses. Muscular fatigue can be caused by numerous disorders of several body systems, or it can be a function of (or a normal consequence of) prolonged exercise. The decreased ability of …