Artificial Insemination

Article

Frozen Semen Use in Barren Mares

March 05, 2009

To rectify the lack of information problem, Barbacini and colleagues launched a study to determine the fertility of barren mares inseminated with either fresh or frozen-thawed semen. Researchers investigated the effects of mare age and uterine fluid... Read More

Article

Questions to Ask Before Breeding a Mare

February 02, 2009

Thinking of breeding your mare this spring? The recent outbreak of contagious equine metritis (CEM, which is caused by bacterium Taylorella equigenitalis) in the United States and the previous outbreak of equine viral arteritis (EVA) have... Read More

Article

Storm Cat to Serve as a QH Stallion

January 17, 2009

Storm Cat, a leading sire who was pensioned last year after experiencing fertility problems at the Young family's Overbrook Farm near Lexington, Ky., might return to the sire ranks as a Quarter Horse stallion. The Quarter Horse breeding industry... Read More

Article

Contagious Equine Metritis Investigation Progresses in Wisconsin

January 16, 2009

Veterinary authorities continue to connect the dots in the investigation into contagious equine metritis (CEM), a contagious venereal disease of horses. Earlier this week, officials... Read More

Article

Prevent CEM, Other Infectious Diseases Through Strict Hygiene

January 07, 2009

Strict hygiene guidelines should be followed whenever handling breeding mares or stallions to prevent reproductive infectious diseases, including contagious equine metritis (CEM).

CEM is spread between horses primarily by breeding, either b... Read More

Article

Breeding Equipment

October 01, 2008

Want your mare in Texas bred to a stallion in Germany? It’s easy with today's equipment and technology.... Read More

Article

Summit Speakers Discuss Equine Reproductive Technology

June 05, 2008

Four speakers discussed advances in assisted reproduction to wrap up the session on the emerging science of horse breeding at the Kentucky International Equine Summit, held in Lexington, Ky., April 28-29. The speakers agreed that the key is not... Read More

Article

Artificial Insemination: It's Not How Much You Have, It's Where You Put It

May 03, 2008

When it comes to artificial insemination in horses, the site of deposition might have a big impact on the procedure's outcome. Placing semen directly into the uterine horn containing the ready follicle could allow breeders to use far less... Read More

Article

Reproduction and Sports Medicine Update: AAEP 2007

May 01, 2008

Veterinarians who attended presentations at the event came away with 18 hours of continuing education credit and new knowledge of current topics in equine reproduction and lameness.... Read More

Article

The Business of Breeding

November 01, 2007

Breeding in the horse world breaks down into a few categories: field breeding (where the horses just do what comes naturally) live cover in a breeding shed, and artificial insemination. The tools of the trade range from very basic to high-tech ... Read More

Article

Ice Formation Not to Blame for Loss of Viability in Preserved Equine Sperm

September 27, 2007

Loss of spermatozoa viability following cryopreservation, historically attributed to the formation of intracellular ice, is now believed to be a result of an osmotic imbalance during thawing. Osmotic imbalances result in the movement... Read More

Article

Well-Equipped Breeding

September 01, 2007


Tips on what you might need to equip your stallion breeding station, from microscopes to AVs
The lexicon of the breeding shed has changed... Read More

Article

Platinum Performance to Sponsor USDF Junior/Young Rider Program

June 06, 2007

Platinum Performance, Inc. has announced it will sponsor the United States Dressage Federation (USDF) Junior/Young Rider program.

Founded in 1973, the United States Dressage Federation is a nonprofit member organization dedicated to... Read More

Article

Lubricants Can Harm Sperm: New Product Preserves Motility

March 31, 2007

Results of a recent research study indicated most nonspermicidal veterinary lubricants decrease sperm motility during cooled semen storage. Juan Samper, DVM, PhD, Dipl. ACT, of JCS Veterinary Reproductive Services near Vancouver, British Columbia,... Read More

Article

Reducing Breeding-Induced Endometritis by Simplifying Management?

February 01, 2007

Modern breeding management and assisted reproduction might actually exacerbate the issue of mating-induced endometritis, according to Mats Troedsson, DVM, PhD, Dipl. ACT, a professor of equine theriogenology in the Department of Large Animal Clinical... Read More

Article

How Far We've Come

December 01, 2006

I was flattered when I was asked to discuss how far we've come in equine reproduction. I found it interesting to go back and review the many changes that have occurred.

Stallions

The use of artificial insemination has increased ove... Read More

Article

Breeding Expertise

December 01, 2006

The annual conference of the Society for Theriogenology (SFT) was held Aug. 22-26 in St. Paul, Minn. Scientists and clinicians specializing in reproduction shared new research and updated views on many topics during the conference. Following are... Read More

Article

Tennessee Bill Would Allow Artificial Insemination Without Veterinary Supervision

June 01, 2006

A Tennessee bill, which was to reach Gov. Phil Bredesen's desk in late April, would consider artificial insemination (AI) a farm management practice, meaning the state would no longer require veterinary supervision in order to artificially... Read More

Article

Tennessee Bill Would Allow AI Without Veterinarian Supervision

April 14, 2006

A Tennessee bill, which should land on Gov. Phil Bredesen's desk later this month, would consider artificial insemination a farm management practice, meaning that the state would no longer require veterinary supervision in order to artificially... Read More

Article

AAEP Convention 2005: Optimizing Pregnancy Rates for Frozen-Thawed Semen

February 17, 2006

A major disadvantage associated with frozen-thawed semen is the fertility of the semen, which can be considerably less than fresh semen. This can be problematic when deciding how many progressively motile sperm (PMS) are needed per breeding to... Read More

Article

Breeding Globally--AI Advances

December 01, 2005

Breeding without boundaries; it sounds like science fiction. Yet today we can breed two animals from different time zones, even different continents, through advances in artificial insemination. In this article, we will delv... Read More

Article

Breeding Specialists

December 01, 2005

The equine breeding industry has evolved dramatically with the introduction of artificial insemination programs and advanced assisted reproductive techniques. While live cover breeding pro-grams are still a mainstay for specific breeds, many... Read More

Article

Supplementing for Semen Quality

September 01, 2005

Cooling and freezing equine semen damages cell membranes, which results in loss of motility and general viability known as "cold shock." Most domestic species have high concentrations of polyunsaturated fatty acids (PUFAs) in the semen, but the... Read More

Article

The ART of Breeding

February 01, 2005

Successful breeding of horses is not always as easy as presenting a receptive mare to a fertile stallion. There are many things that can go awry with the reproductive process. Broodmares that were once fertile and produced many excellent foals... Read More

Article

Stretching Semen in the Aged Stallion (AAEP 2004)

January 26, 2005

As breeding stallions age, their reproductive abilities can wane, leaving their breeding managers with a problem--too many mares to breed, and not enough sperm. J. Scott Weems, DVM, of Weems & Stephens Equine Hospital in Aubrey, Texas, has... Read More