Recent News for Assisted Reproduction

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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

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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

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Sperm Membrane Integrity (AAEP 2004)

February 14, 2005

While a large part of microscopic semen evaluation centers around motility (directional sperm movement) and morphology (sperm structure), some reproductive specialists think there's more to the story. In an attempt to better understand stallion... Read More

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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

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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

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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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UI Scientist, Cloned Mules Featured at Seattle Conference

February 13, 2004

Gordon Woods, DVM, MS, PhD, Dipl. ACT, the University of Idaho scientist who led the research team that successfully produced the first clone in the horse family, will be a featured speaker at the American Association for the Advancement of... 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

Article

Cloned Pregnancy Lost at Texas A&M

February 01, 2004

A research mare at Texas A&M (TAMU) carrying a cloned foal recently lost her pregnancy. "We lost it at nine months of gestation via premature separation of the placenta and placentitis (placental infection), which we treated for three weeks... Read More

Article

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 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

Article

Cloned Pregnancy Lost at Texas A&M

December 09, 2003

A research mare at Texas A&M (TAMU) carrying a cloned foal recently lost her pregnancy. "We lost it at nine months of gestation via premature separation of the placenta and placentitis (placental infection), which we treated for three weeks... Read More

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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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Third Mule Clone Born

October 01, 2003

The scientists who produced the world's first equine clone announced that the third cloned mule foal was born about 1:30 a.m. on July 27.

The team includes Gordon Woods, DVM, MS, PhD, Dipl. ACT, and Dirk Vanderwall, DVM, PhD, Dipl. ACT, bot... Read More

Article

The World's First Cloned Horse

October 01, 2003

The world's first cloned horse, created by Italian scientists from a mare's skin cell, has been born, according to a Washington Post article.

The birth of the healthy foal, announced in the Aug. 7 issue of the journal Nature,... Read More

Article

First Cloned Horse Born

August 06, 2003

The world's first cloned horse, created by Italian scientists from a single skin cell taken from a mare, has been born, according to a Washington Post article.

The birth of the healthy foal, announced in Thursday's issue of the... Read More

Article

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

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Second Mule Clone Born

August 01, 2003

The research team that made headlines in May after producing the world's first equine clone--a mule named Idaho Gem--on June 9 has repeated its success with the birth of another mule--Utah Pioneer.

Researchers Gordon Woods, DVM, MS, PhD,... Read More

Article

Third Equine Clone Born Healthy

July 28, 2003

The scientists who produced the world's first clone born to the horse family have announced that the third cloned mule foal was born yesterday (July 27).

The team includes Gordon Woods, DVM, MS, PhD, Dipl. ACT, and Dirk Vanderwall, DVM,... 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