Recent News for Assisted Reproduction

Article

Modifying Semen Extender

June 01, 2002

Stallion semen is particularly susceptible to freeze-thaw damage, so multi-step procedures are being developed and evaluated to slowly extend and cool the semen prior to freezing it. In addition, the common semen extender INRA82, developed at... Read More

Article

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

Article

Flushing Solution?

May 01, 2002

I worked at a breeding farm when I was in high school, and after we inseminated the mare we flushed the tube with some type of solution that either was skim milk or reminded me of skim milk. What was that solution and was it necessary?... Read More

Article

Breeding Dummy Design

April 01, 2002

We have a Quarter Horse stallion that we will be starting in a shipped semen program this year. All of us--the stallion, our veterinarian, and our farm personnel--are new at collecting semen. We are in the planning stages for our breeding... Read More

Article

Ground vs. Breeding Mount Semen Collection

April 01, 2002

We have show pony breeding stallions, and as of last year are doing almost all shipped semen. This year we are seriously thinking about expanding our business to offer semen collection and shipping services for outside stallions, which will... Read More

Article

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

Article

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

Article

AAEP Convention 2001: Reproduction Research

February 01, 2002

Presentations on reproduction have long been a hallmark of AAEP gatherings, and this year was no exception. The full-day reproduction session was split into two parts--the first was of a general nature, while the afternoon in-depth session... Read More

Article

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

Article

Assessing Sperm Quality

January 03, 2002

Laboratory assays have been developed which evaluate multiple sperm parameters on large numbers of sperm in a semen sample. These assays may prove useful in evaluating semen prior to insemination or at the beginning of the breeding season.... Read More

Article

A Breed Apart: Cooled and Frozen Semen

October 15, 2001

The shipping of cooled and frozen semen has opened the door to a wide variety of breeding opportunities for horse owners, providing, of course, that their breed organization permits artificial insemination (AI) with shipped semen. A mare in New... Read More

Article

Restraint Techniques for Breeding

October 08, 2001

When a mare and a stallion meet, love might be in the air...but there's the potential for danger, too. Particularly when humans get in the middle of it all. In our efforts to orchestrate the best possible combinations of... Read More

Article

Freezing Semen

October 08, 2001

The technology that allows us to freeze a stallion's semen for future use has opened up a world of opportunities. Not only does it allow the stallion's DNA to be available to mare owners around the globe, but it enables a stallion to stand at stud wh... Read More

Article

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

Article

Semen Analysis

October 05, 2001

A stallion produces untold billions of sperm during a lifetime, and in a normal ejaculate, he can send four billion of them on a race to fertilize a single egg. Only one sperm can succeed. Unfortunately, there are times when none of them succeed... Read More

Article

Maximizing Pregnancy Rates With Shipped Semen

October 04, 2001

Well, there’s no avoiding it—shipped semen is no longer the ‘wave of the future.’ It has rapidly emerged as an integral part of every general equine practice and breeding facility. Therefore, we must... Read More

Article

Dual Hemisphere Breeding

October 03, 2001

Thoroughbred breeding stallions truly have joined the jet set. These four-legged  Romeos are flying from one part of the world to another these days as they perform breeding duties on both sides of the equator. Hundreds of... Read More

Article

Breeding With Chilled and Frozen Semen

September 26, 2001

Artificial Insemination (AI) involves the introduction of sperm into the reproductive tract of the mare without natural mating. AI in the horse was first practiced long ago. Ancient Arabian texts describe how mares were successfully inseminated.... Read More

Article

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

Article

Consequences

September 18, 2001

Do you want a say-so in what the United States government is doing that concerns horses? I’m talking about the issue of allowing equine semen into this country with even less testing than presently is required. Horse breeders know that semen can... Read More

Article

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

Article

Semen Evaluation

January 01, 2001

Breeding horses today often involves the use of artificial insemination (AI) with fresh, cooled, or frozen semen (except for Thoroughbreds). But whether you are using AI or live cover, the main goal is to get a viable sperm to fertilize a mature... Read More

Article

Semen Gains Entry

October 06, 2000

Effective Oct. 20, the United States Department of Agriculture (USDA) Animal Plant Health Inspection Service (APHIS) eliminated importation requirements for equine semen crossing the border from Canada. That decision has the horse industry... Read More

Article

Artificial Insemination For Horses

February 01, 2000

Artificial insemination of equines has been around a long time and, through the years, has had a profound impact on the horse industry. Most of the impact has been of the positive variety, but there also have been some negatives. Just when... Read More

Article

Breeding the Older Mare

December 01, 1999

Older mares' reproductive ability declines, and getting and keeping them pregnant become more problematic.... Read More