"Even the quietest of mares can turn into a proverbial fire-breathing dragon during her estrous cycle, which can make riding, training, competing, or handling these horses a challenge for any equestrian."1 Fortunately, over the years, veterinaria …

The fact that the horse is seasonally polyestrous makes this species a reproductive challenge for horsemen and equine practitioners. Mares will show several estrous cycles during the breeding season, assuming pregnancy does not terminate estrus. …

A significant segment of the equine industry is involved with the breeding and of mares and the management of their breeding cycle. Given the sheer numbers of animals involved, this means that the economic considerations make it absolutely necess …

The estrous cycle (or oestrus cycle) is the group of physiological changes that occur in sexually mature female mammals which are brought on by reproductive hormones. The changes facilitate fertility and reproduction.Horses (mares) are seasonally …

Mares are seasonally polyestrus, meaning that they experience regular estrus cycles during late Spring, Summer and early Fall, and none during the Winter. These cycles are controlled by hormones, which respond to increases or decreases in dayligh …

Gonadotrophin-releasing hormone (GnRH) is a hormone produced by the hypothalamus in response to an increase in day length. As the hours of daily sunlight (or photoperiod) increase, melatonin levels subside, allowing GnRH to be produced. Productio …

Altrenogest is a progestin of the 19-nortestosterone group commonly used to suppress or synchronize estrus in horses. It is used extensively in the reproductive management of mares to control the reproductive cycle, help maintain pregnancy, and h …

Mares are seasonally polyestrus, which means that they experience regular estrus cycles during late Spring, Summer and early Fall, and none during the Winter. These cycles are controlled by hormones, which respond to increases or decreases in day …

Mares are seasonally polyestrus, meaning that they experience regular estrus cycles during late Spring, Summer and early Fall, and none during the Winter. These cycles are controlled by hormones, which respond to increases or decreases in dayligh …