Embryo Transfer


AAEP Convention 2005: Increasing Embryo Recovery and Fertility

February 17, 2006

In a study from the University of Saskatchewan, Canadian researchers compared ovulation rates, embryo recovery and quality, and subsequent pregnancy rate using two estrus synchronization methods--prostaglandin (PG) administration and progesteron... Read More


AAEP Convention 2004 Wrap-Up: Reproduction

March 03, 2005

Pregnancies from Euthanized Mare Ovaries

"You think breeding mares on foal heat is tough, try dead mares!" said Elaine Carnevale, DVM, PhD, professor in equine reproduction in the department of biomedical sciences at Colorado State... Read More


Embryo Transfer Discussed

February 15, 2005

Much of the discussion involved sharing professional information, such as specific instruments involved, but they also addressed such matters as preparation of the recipient mare and the most optimum state of embryo maturation for transfer.... Read More


Pregnancies from Dead Mare Ovaries

February 14, 2005

"Death or euthanasia of a valuable mare results in loss of her genetic potential," she said. "However, when a mare dies, her ovaries still contain potentially viable oocytes that can be harvested to produce additional offspring."... Read More


Increasing Embryo Recovery Rates and Transfer Success

February 14, 2005

Hudson found that embryo recovery can be enhanced by slight modifications of the standard embryo flush technique, and embryo transfer success can be improved by verifying that the embryo was not retained in the tip of the sheath with which the veteri... Read More


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


The Goal is a Foal

January 01, 2004

If your broodmare or stallion is having reproductive problems, you might need a specialist to figure out what's wrong. And that specialist might use knowledge gained from the annual conference of the Society for Theriogenology held in Columbus,... Read More


Older Mares: She Ain't What She Used to Be

August 01, 2003

Wear on the reproductive tract can make it more difficult for older mares to conceive and carry a foal.... Read More


Embryo Transfer Technique

April 01, 2003

Advanced reproductive technologies that can be used in horses are expanding every year. Geography is no longer a limiting factor in choosing a mate for your mare, as fresh cooled semen can be shipped across North America with ease. Frozen semen also ... Read More


AAEP Convention: Horseman's Day

March 01, 2003

Horseman's Day, held for the third time as part of the annual AAEP convention, was another rousing success. Helping stimulate the interest and enthusiasm was the quality of the speakers. They couched their talks in terms the average horse owner... Read More


Horseman's Day at the 2002 AAEP Convention

December 17, 2002

Horseman’s Day, held for the third time as part of the annual AAEP convention, was another rousing success. There weren’t as many people in attendance as there were in San Diego last year, but they were just as enthusiastic. AAEP officials said... Read More


AQHA Settles Embryo Transfer Lawsuit

June 12, 2002

The American Quarter Horse Association has eliminated all restrictions regarding the registration of foals produced through embryo transfer as part of an out-of-court settlement with a coalition of breeders.

For a couple of years, the... Read More


Texas Judge Upholds Antitrust Ruling Against the AQHA

May 30, 2002

A Texas judge reaffirmed on May 16 his earlier decision that an American Quarter Horse Association (AQHA) rule restricting the number of registered foals produced through embryo transfer violates the state's... Read More


Scientists Uncover New Way to Assess Ovulation

February 13, 2002

Veterinarians generally assess whether a mare has ovulated and is ready to breed by rectal palpation. However, new research suggests that a mare’s blood plasma sample can tell the veterinarian just as accurately that ovulation has occurred. The... Read More


Rare Donkey Born Through Embryo Transfer in Australia

February 06, 2002

Monash University reproductive research is helping save the world's most endangered donkey breed.
In a world first, a rare and prehistoric-looking Poitou donkey foal has been born to a surrogate Standardbred horse after embryo... Read More


Courts May Settle Artificial Insemination Debate

January 24, 2002

Published in the Jan. 26 issue of The Blood-Horse

Thoroughbred breeders who are happy with the industry's staunch opposition to artificial insemination and embryo transfer should not get too comfortable.

"Don't think... Read More


WEVA: On the Move

October 08, 2001

They met in Italy to exchange information about reproduction, sports medicine, infectious diseases, transportation, and surgery. The more than 300 delegates from 29 different countries, including Germany, Australia, New Zealand, Ireland, Denmark... Read More


AQHA Embryo Transfer Case Revisited

September 21, 2001

On Friday, Sept. 14, 2001, officials and attorneys for the American Quarter Horse Association were back in court to receive presiding Judge Patrick A. Pirtle's decision on a motion that was filed by AQHA asking the judge to reconsider... Read More


Embryo Transfer for Horses

September 18, 2001

One plus one plus one equals one. The stallion, dam, and surrogate dam probably never met, but all three contributed to produce a foal. Today's assisted breeding technologies can overcome the constraints of distance, competitive involvement,... Read More


Smoke But No Fire In Tricky Cigar Saga

December 31, 1998

Plans for a permanent home for two-time Horse of the Year Cigar are no closer to completion than in November when The Blood-Horse reported the decision was in the hands of management of Assicurazioni Generali, the... Read More


USDA Amends Embryo Collection User Fee Regulations

December 31, 1998

The U.S. Department of Agriculture is amending user fees for the inspection and approval of embryo collection centers.

USDA's Animal and Plant Health Inspection Service charges user fees fo... Read More