Estrous Cycle

Blog

Mares Will Be Mares

June 05, 2014

Both my mares started showing signs of estrus-related behavior recently.... Read More

Article

Starting and Stopping a Mare's Estrous Cycle

April 05, 2014

Veterinarians have many options by which to "tailor" a mare's reproductive cycle to meet her and your needs.... Read More

Article

Health Concerns Related to Equine Obesity

February 11, 2014

Obesity is a serious health condition, but many owners still look at a fat pony and think how cute it is.... Read More

Article

AAEP Veterinarians Discuss Estrus Suppression in Mares

December 16, 2013

Many owners seek to eliminate estrus behavior when there is a negative effect on the mare's performance.... Read More

Article

2014 UK Equine Showcase, Breeders' Short Course Scheduled

October 25, 2013

The events will feature lectures on university programs, equine reproduction, and horse management issues. ... Read More

Article

Oxytocin Injections to Suppress Estrus in Mares

October 24, 2013

Oxytocin injections allowed the corpus luteum to keep producing progesterone and the mare to stay out of heat.... Read More

Article

Prostaglandins for Controlling Mares' Estrous Cycles

August 17, 2013

Learn how administering prostaglandins can help breeders improve their mares' chances of becoming pregnant.... Read More

Article

Suppressing Estrus in Mares

November 29, 2012

Most options can lessen the effects of estrus while still allowing mares a second career as a broodmare.... Read More

Article

Progesterone Delivery Device Evaluated in Broodmares

October 13, 2012

Researchers found an intravaginal progesterone-releasing device effective in inducing early estrus in mares.... Read More

Article

Mobile Blue Light Therapy for Broodmares

October 12, 2012

Mobile blue-light therapy is as effective at advancing seasonality as indoor barn lighting.... Read More

Article

Hormone Therapy Table Topic (AAEP 2011)

December 29, 2011

Topics discussed included induction of ovulation, estrus behavior, and suppression in the performance horse.... Read More

Article

Mare Reproductive Health Gets Help From Newly FDA-Approved Drug

January 05, 2011

After years of intensive research, a product called SucroMate has achieved the coveted status of FDA-approved for reproductive health in mares. This is no easy feat as only two veterinary drugs obtained FDA approval in 2010. SucroMate is licensed to ... Read More

Article

Feeding the Estrous Cycle: Tailoring the Mare's Diet

December 01, 2010

Mares must have a well-balanced diet and healthy body condition to cycle properly, conceive, and carry a foal.... Read More

Article

10 Steps for Successful Artificial Insemination for Horses

December 01, 2010

Artificial insemination (AI) is today's breeding standard for many types of horses. To find out how to make our readers' artificial insemination programs more successful, The Horse went to two recognized experts in equine artificial insemination... Read More

Article

Safe (Equine) Teasing

December 01, 2010

Teasing is essential to detect when a broodmare is in estrus, but it's no easy feat due to the size and power of the animals involved. Safety should be top priority--to avoid injury to horses and people.... Read More

Article

10 Steps for Successful Live Cover

December 01, 2010

Promote safe and successful live cover breeding with careful preparation and attention to safety.... Read More

Article

Breeding on Foal Heat Considerations

April 10, 2010

Weigh the benefits and risks of breeding a mare on her first postpartum ovulation, referred to as a foal heat.... Read More

Article

NSAIDs for Mating-Induced Endometritis Examined in Mares

March 06, 2010

Non-steroidal anti-inflammatory drugs could assist vets managing persistent mating-induced endometritis (PMIE), a chronic inflammation of the lining of the uterine wall after breeding or artificial insemination, a leading cause of reduced ferti... Read More

Article

Virginia Tech Equine Hospital Offers Laparoscopic Ovariectomies

February 20, 2010

Combining their surgical expertise with state-of-the-art laparoscopic equipment, veterinary specialists at Virginia Tech's Marion duPont Scott Equine Medical Center have been able to remove certain mares' ovaries in a surgical procedure... Read More

Video

Bring Mares into Season with Lights

January 19, 2010

... Read More

Article

Study Sheds Doubt on Marbles' Effect on Mare Heat Cycles

September 26, 2009

Many people have offered solutions to overcome the problems of inconsistent performance while mares are in heat. One method popular with owners today is the implantation of marbles as glass intrauterine devices (IUDs).

"The original paper... Read More

Article

Estrus Suppression

May 01, 2009

When a mare exhibits unexpected or undesirable behavior that cannot be explained by illness or injury, the owner might suspect it is related to the mare's estrous cycle. He or she might notice the mare is more difficult to train or ride... Read More

Article

Hormone Therapy in the Mare, AAEP 2008

April 10, 2009

The discussion on hormone therapy in the mare followed a systematic progression through three broad areas: 1) hastening the onset of (ovarian) follicular activity and ovulation in winter anestrus (noncycling) mares; 2) synchronizing ovulation in cycl... Read More

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Kester News Hour

March 17, 2009

Top 2008 equine studies include lawsonia, EPM, heart murmurs, etc., at the AAEP Convention.... Read More

Article

Unique Attribute of Equine Uterus Impacts Embryo Transfer

January 26, 2009

The equine uterine environment plays an integral role in the early developmental stages of pregnancy, even prior to implantation of the embryo, according to British researchers who recently examined the role of the uterus in ... Read More