A working knowledge of the mare’s reproductive anatomy and physiology is essential in a horse breeding program. Familiarity with the mare's estrous cycle and the timing of events therein is equally important. These provide the basis on which all …

Even occasional equestrians—those who ride recreationally at the local stable or farm every now and then—can attest to the fact that running into a horse with a nervous disposition is extremely common. Sometimes, a horse's nervousness is apparent …

Due to the demands placed upon horses that have to work for a living, there is a wealth of information available regarding how to manipulate the mare's cycle in order to keep her out of heat.Typical signs that a mare is in season include holding …

The direct administration of anti-inflammatory drugs into joints to provide relief from discomfort remains a common practice in many sectors of the equine industry. Unfortunately, many of these medications are corticosteroids, which have become c …

Mares have a gestation period of about 340 days. Because of this relatively long pregnancy, they must become pregnant again shortly after giving birth in order to produce a foal at about the same time each year if this is desired by the owner or …

Equine protozoal myeloencephalitis (EPM) is a disease that affects the central nervous system of horses and which is caused by the protozoal organism. The name given to the protozoan organism shown to be the primary causative agent for EPM is Sarc …

Mares cycle when days are long and there is abundant daylight during most of the day, meaning that under normal circumstances, they cycle in the Spring, Summer and Fall. Mares do not cycle in Winter when daylight is short; this is known as anestr …

Equine protozoal myeloencephalitis (EPM) is a disease of the horse that affects the central nervous system. Equine obviously refers to the horse, protozoal refers to the type of organism that causes the disease and myeloencephalitis refers to tha …

Horse owners and breeders are continually on the lookout for ways to help improve their mares’ chances of becoming pregnant. One way that veterinarians are able to help is by administering prostaglandins.1 There are several forms of prostaglandin …