Artificial Insemination

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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

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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

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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

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Advances in Artificial Insemination

December 15, 2004

Artificial insemination (AI) is becoming an increasingly popular method for breeding horses, and with that comes advances in the timing methods used to inseminate mares. "Breeders have embraced the use of transported cooled semen for all the... Read More

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Reproduction (AAEP 2003)

March 01, 2004

Research has shown that boars can be fed a specific diet to increase fertility, and the same might be true of stallions. Steven Brinsko, DVM, PhD, Dipl. ACT, from Texas A&M University, discussed the potential of feeding a nutraceutical to stallions... Read More

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Artificial Insemination Made Simple (AAEP 2003)

February 03, 2004

Squires said the perception in the industry is that mares must be examined four to six times per day to use frozen semen successfully. He said the reasons for frequent examination are because limited semen is made available and the desire to breed as... Read More

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Saline-Coated Particles Enhance Semen Quality (AAEP 2003)

January 31, 2004

The technique of using saline-coated silica particles in solution to filter and therefore enhance semen quality in humans has been around for years. Now, it is being tried to improve semen of stallions.... Read More

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Feeding to Improve Fertility of Stallions (AAEP 2003)

January 31, 2004

Research has shown that boars can be fed a specific diet to increase fertility, and the same might be true of stallions. Steven Brinsko, DVM, PhD, Dipl. ACT, from Texas A&M University, discussed the potential of feeding a nutraceutical to... Read More

Article

The ABCs of Artificial Insemination

December 01, 2003

AI is a relatively easy, safe, and convenient method of covering mares with stallions from all over the world.... Read More

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First Sexed Offspring of the World's First Sexed Mare and Stallion Born

July 08, 2003

Researchers led by XY Inc., a global biotech company in Fort Collins, Colo., were recently successful in their quest to produce the first sex-selected offspring of the world’s first sex-selected mare and first sex-selected stallion. “First Lady”... Read More

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AI, Stallion Book Size Among Topics at Conference

July 01, 2003

Artificial insemination (AI) and stallion book size were among the more controversial topics discussed as university professors from across the United States, Great Britain, Australia, and Israel gathered in Louisville, Ky., June 25-28 for the... Read More

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Evaluating Semen Quality

June 03, 2003

Stallion owners must determine if their stallions have what it takes physically to make a good breeding prospect, including good semen quality, before the start of the breeding season. In his presentation at the sixth annual Equine School at the... Read More

Article

Shatner's Ex-Wife Sues Over Horse Semen

May 15, 2003

According to an Associated Press story, "Star Trek" star William Shatner's ex-wife has sued him for breach of contract over breeding privileges of three American saddlebred stallions.

“Marcy Lafferty Shatner claims in her civil lawsuit... Read More

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Uterine Lavage Before Insemination Not Harmful to Mare Fertility

April 23, 2003

Uterine lavage can be performed immediately prior to artificial insemination in mares without adversely affecting fertility, according to a recent study completed at the University of Idaho (UI) in Moscow, Idaho. The uterine lavage process is... Read More

Article

AI Made Easy

February 04, 2003

When frozen semen was first introduced, pregnancies were achieved by checking the mare frequently each day and breeding with a single dose of semen as close to ovulation as possible. Therefore, this was adopted as standard operating procedure, said ... Read More

Article

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

Article

Deep Horn Insemination Technique

November 08, 2002

In his presentation "Deep Horn Insemination" at the Hagyard-Davidson-McGee Bluegrass Equine Reproduction Symposium Oct. 25, John Steiner, DVM, Diplomate ACT, discussed two ways to use minimal numbers of sperm deposited at the tip of the uterine... Read More

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Foal Sex Selection

November 01, 2002

Sex selection of foals prior to conception is highly desirable for horse breeders. Currently, sperm can be sorted by their X and Y chromosomes, improving odds of sex selection through artificial insemination. Flow cytometry measures DNA in cells... Read More

Article

Purina Veterinary Conference 2002

October 16, 2002

Only 20 miles from downtown St. Louis, Mo., is a 1,200-acre research farm owned by the nutrition company Purina Mills. On Oct. 3-5, 140-plus veterinarians and another 50 Purina Mills representatives gathered to tour that research facility and... Read More

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New CSU Semen Facility Meets International Standards

September 11, 2002

The new stallion barn at Colorado State University’s Equine Reproduction Laboratory, specifically designed to meet the requirements for exporting semen internationally, is now complete and prepared to handle client requests around the... Read More

Article

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

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

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

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