Recent News for Assisted Reproduction
Article
Oklahoma Legislature Passes Cloning Bill
April 12, 2009
The Oklahoma legislature on April 7 approved a bill that prohibits cloned horses or the offspring of cloned horses from participating in races at tracks in Oklahoma. The bill provides that neither clones nor the offspring of clones would be... Read More
Article
Embryo Transfer in Chronically Infertile Mares, AAEP 2008
March 24, 2009
Embryo transfer is a management procedure for producing foals by mares that either are in training or have reproduction problems. In some cases the goal is to allow young performing mares to reproduce while continuing their careers. In other cases th... Read More
Article
Idaho Equine Repro Researcher Heads to UPenn
March 16, 2009
Veterinarian Dirk Vanderwall, DVM, PhD, Dipl. ACT, is leaving the University of Idaho College of Agricultural and Life Sciences to join the University of Pennsylvania School of Veterinary Medicine at the New Bolton Center. Vanderwall will lead a... Read More
Article
New Tool for Counting Sperm
March 09, 2009
Equine practitioners now have a new, accurate tool for measuring stallion fertility--the NucleoCounter SP-100 fluorescence-based instrument. While it is more expensive than some instruments currently used for counting sperm, it is accurate and easy... Read More
Article
AQHA Reviews Cloning; Delays Vote Until 2010
March 09, 2009
On Monday, March 9, the Board of Directors of the American Quarter Horse Association (AQHA) voted that action on a member proposal to approve the registration of foals produced by cloning be postponed until the 2010 AQHA Annual Convention. In th... Read More
Article
Breeding The Problem Mare With AI
March 08, 2009
"In my opinion, a mare that fails to become pregnant by AI with good semen quality and does so by natural cover without human intervention is an example of poor or inadequate breeding management by the personnel performing the AI," said Samper.... Read More
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
DNA Testing for Twins (AAEP 2008)
March 03, 2009
Tissues from both the recipient and donor mare, as well as from the two stillborn foals, were submitted for microsatellite analysis. The analysis verified that the foals had identical genotypes and resulted from the transferred embryo.... Read More
Article
AQHA Cloning Forum to be Webcast
February 05, 2009
Members of the American Quarter Horse Association (AQHA) who can't make it to the equine cloning forum at the 2009 AQHA Annual Convention in March can watch the event online in the members section of <A href="http://www.aqha.com/"... 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
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
Article
AQHA to Host Equine Cloning Forum
January 23, 2009
The American Quarter Horse Association (AQHA) will host a forum on equine cloning at the 2009 AQHA Annual Convention, which will be held March 5-9 at the Grand Hyatt in San Antonio. Within the past couple of years, a number of horses have... Read More
Article
Embryo Transfer an Involved but Viable Breeding Option
January 20, 2009
Horse owners with a mare that can't carry a foal to term need not give up on the idea of getting a foal from her. One potential solution is embryo transfer (ET), a technique that involves taking a fertilized egg from the desired mare and... 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
Scamper Clone Offered for Commercial Breeding
November 15, 2008
A carbon copy of one of the world's most successful barrel horses has become the first clone to be offered at stud in the United States. "Clayton" is the clone of the AQHA gelding Gills Bay Boy, or Scamper, as he is better known. Scamper an... Read More
Article
Equine Endometrial Infections Following Embryo Transfer Limit Pregnancy Rates
October 25, 2008
According to a group of European reproduction specialists from the Centre for Artificial Insemination and Embryo Transfer, University of Veterinary Sciences in Austria, subclinical infections of the uterine lining can occur following... Read More
Article
The Latest on Clones
October 01, 2008
As scientists continue to unlock cloning's secrets, perfect its processes, and study the way genes express themselves in individuals, their successes will undoubtedly affect demand and future use. In March 2008 Prometea, a... 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
Clone of Show Jumper Gem Twist Born
September 16, 2008
A clone of champion show jumper Gem Twist is the newest addition to the stable of horses cloned by Cryozootech, a French company that banks equine genetic material. The company announced the clone's birth Sept. 15. Gem Twist, a grey... 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
Genetic Concentration: Too Much of a Good Thing?
May 24, 2008
"For years we've taught the industry about reproduction, but we haven't taught about breeding," said Gary Carpenter, executive director of the American Quarter Horse Foundation during a roundtable at the International Equine Summit, held in... Read More
Article
First Foal Sired by Cloned Stallion Born
May 22, 2008
The first foal sired by a cloned stallion is now nearly a month old. The filly, named Pierazade du Vialaret, is the first get of stallion Pieraz-Cryozootech-Stallion, a clone of two-time World Champion endurance horse Pieraz. The original... 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






