Recent News for Assisted Reproduction

Article

Equine Reproduction Course Offered for Ontario Horse Owners

November 01, 2009

A two-day equine Reproduction course, designed for anyone interested in learning about artificial insemination (AI) techniques for horses, will be offered Nov. 7-8, 2009, in Clinton, Ontario, at the Regional Equine & Agricultural Centre o... Read More

Article

Equine Semen Extenders: Effect on Bacterial Growth and Sperm Viability

October 20, 2009

Preliminary results of a collaborative effort between researchers at Oklahoma State University and Texas A&M University were recently presented at the American Association of Veterinary Laboratory Diagnosticians in San Diego, Calif. These... Read More

Article

Clones of Event Horse Che Mr. Wiseguy Expected in March

October 06, 2009

Two foals that will be born in March 2010 are the first clones of a three-day event horse. A Belgian Warmblood gelding owned by Ronald Zabala-Goetschel of Quito, Ecuador, and Kennett Square, Pa., Che Mr. Wiseguy is a dark bay gelding with three... Read More

Article

Cloning: What We've Learned

October 01, 2009

The first equine clones were born in 2003, and now advertisements for cloning can be found in equine magazines, and the AQHA has considered registering cloned foals. There are more than 40 live cloned horses. What have we learned and what... Read More

Article

Mule Cloning Scientist Dies

August 29, 2009

Gordon Woods, DVM, MS, PhD, Dipl. ACT, who while at the University of Idaho helped create the world's first cloned mules, died Aug. 20 at the age of 57. He was 57 and currently employed at Colorado State University.

Woods, one of the... Read More

Article

Stallion Hygiene Key for Improving Frozen Semen

August 22, 2009

The semen of some stallions tolerates freezing well, while the semen of others does not. Researchers are trying to discover the reasons for this in order to develop freezing protocols that decrease the variability of sperm, thereby increasing th... Read More

Article

Equine Reproduction Advances: Filly Born a Year after Dam's Death

August 14, 2009

Mira, a foal born Aug. 4, runs happily in Binghamton, N.Y., even though her mother died almost a year ago from a ruptured intestine. Her birth was made possible through a team at Cornell that might be among the first to successfully extract... Read More

Article

CEM Study: Antibiotic-Treated Semen Can Reduce Transmission Risk

July 19, 2009

Researchers at the Gluck Equine Research Center will publish a study this fall on contagious equine metritis (CEM), a sexually transmitted disease in horses. Stallions are asymptomatic carriers of Taylorella equigenitalis, the causative agen... Read More

Article

Processing Dilute Semen for Artificial Insemination

April 20, 2009

Since artificial insemination is currently practiced in most equine breeds (except Thoroughbreds), processing semen for cooling and transport is a common task in most equine reproductive centers. However, processing a dilute ejaculate--one with... Read More

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 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