Recent News for Assisted Reproduction

Article

Processing High- and Low-Quality Semen in Horses (AAEP 2011)

April 03, 2012

Using cooled-shipped semen to breed mares is a common practice, but not all spermatozoa tolerate cooling well.... Read More

Article

Assisted Equine Reproduction Horse Course Archived

March 14, 2012

Foss explained a number of scientifically advanced assisted reproduction techniques and relayed how they work.... Read More

Article

Teaching Novice Stallions to Use a Dummy Mount (AAEP 2011)

February 13, 2012

The time required to train a stallion to use a dummy mount can range from few days to several weeks.... Read More

Article

Stored Semen Processing Method Evaluated

January 13, 2012

A scaled-up single layer centrifugation method improved stored semen quality.... Read More

Article

Artificial Insemination: What's New?

December 01, 2011

Precise timing and specialized tools are the mainstays of successful equine insemination.... Read More

Article

Royal Blue Boon, First Commercially Cloned Horse, Dies

October 17, 2011

The blue roan Quarter Horse mare died last week in Weatherford, Texas, at the age of 31. ... Read More

Article

Embryo Recovery Procedures and Collection Success: A Review (AAEP 2010)

March 05, 2011

Since the first live foal produced by embryo transfer was born in 1974, the procedure has become one of the most popular assisted reproduction options for breeders with mares who are valuable or for mares that are to remain in competition. According ... Read More

Article

Assisted Reproduction in Horses: Practical Usage (AAEP 2010)

February 06, 2011

Technology is an amazing thing--especially technology that allows veterinarians to produce live foals from horses with very poor fertility and even from those that have died. A number of assisted reproductive technologies for horses have been ... Read More

Embryos of the cloned mules from the University of Idaho

Article

A Chip Off the Old Block: Equine Cloning

February 01, 2011

In this article we'll explore how horses are cloned, why this process is becoming increasingly popular, how closely cloned offspring resemble the original animals, and potential perils and pitfalls.... Read More

Article

Equine Embryo Transfer Table Topic (AAEP 2010)

January 17, 2011

Equine embryo transfer was a hot topic, discussing different aspects such as donor mare management, embryo recovery techniques, synchronization of recipient and donor mares, and quality and management of recipient mares. ... Read More

Article

DHA Positively Affects Semen Quality

January 12, 2011

Various supplements are commonly given to breeding stallions in hopes of improving semen quality, but conflicting reports exist on their effectiveness. Researchers have found, however, that the supplement ingredient DHA, an omega-3 fatty acid found ... Read More

Article

EVA Confirmed in Great Britain

December 10, 2010

A breeding stallion in West Sussex, England, has tested positive for equine viral arteritis (EVA), according to a report filed by the British equestrian magazine Horse & Hound. The confirmation of the EVA was announced Dec. 8.... Read More

Article

Cooled Shipped Semen Quality Impacted by Collection Centers

December 02, 2010

When it comes to the quality of cooled shipped semen for artificial insemination (AI), all semen collection centers are not equal. They're far from it, in fact, according to a new study by Austrian researchers. The huge variation in the quality ... Read More

Article

Building a Horse Breeding Shed

December 01, 2010

Before you open a horse breeding operation, carefully consider the facilities and equipment required.... Read More

Article

Horse Reproduction Trends And Tools

December 01, 2010

Whether reproduction occurs through natural breeding or artificial insemination, techniques and tools exist to help mare and stallion owners achieve their final goal: a complication-free conception, a problem-free pregnancy, and a healthy foal.... Read More

Article

10 Steps for Successful Artificial Insemination for Horses

December 01, 2010

Artificial insemination (AI) is today's breeding standard for many types of horses. To find out how to make our readers' artificial insemination programs more successful, The Horse went to two recognized experts in equine artificial insemination... Read More

Article

Safe (Equine) Teasing

December 01, 2010

Teasing is essential to detect when a broodmare is in estrus, but it's no easy feat due to the size and power of the animals involved. Safety should be top priority--to avoid injury to horses and people.... Read More

Article

Endometritis in Horses Explained

November 01, 2010

Often, the only clinical sign of endometritis is not what you do see but what you don't see: a pregnancy. Endometritis is a major cause of female infertility, affecting up to 15% of broodmares. But because it frequently lacks clear clinical signs... Read More

Article

Health of Cloned Foals Examined in New Study

July 30, 2010

Compared to other species, cloning horses is still in its infancy. Cloning is becoming increasingly popular, yet the health of these artificially-produced foals has not been assessed in detail. "There is very little information ... Read More

Article

More Charges Filed Against NY Farm Operator

July 13, 2010

The New York woman facing 10 animal cruelty counts for allegedly maltreating horses and other animals at her East Aurora farm is now facing multiple new charges. In March, officials from the SPCA Serving Erie county removed 73 horses... Read More

Article

Oocytes From Live Mare Produce Healthy Cloned Foal

June 16, 2010

A Lipizzaner foal born on May 5 is the first cloned horse produced by using oocytes (immature egg cells) harvested from a live mare. Previously, oocytes recovered from live mare donors were used to clone mules, but horses were cloned using oocy... Read More

Article

Clones Benefit From Experienced Veterinarians at Birth

June 04, 2010

The best way to give cloned foals a leg up is to make sure that an experienced veterinary team is present when the mare gives birth, according to a recent study. Katrin Hinrichs, DVM, PhD, Dipl. ACT, and her colleagues recently revie... Read More

Article

First Cloned Polo Pony is Born

April 27, 2010

The cloned foal of 10-goaler Mariano Aguerre's famed gelding, Califa, was born April 22, making him the first cloned polo pony in the world. The bay colt is an intact stallion genetically identical to Califa.

Aguerre has not sett... Read More

Article

Icelandic Volcano Disrupts Semen Shipments

April 15, 2010

The eruption of Iceland's Eyjafjallajokull volcano has closed airports and canceled flights in Europe, leading to the suspension of equine frozen semen shipments at the height of the breeding season.

Jamie Anderson of Equine Repr... Read More

Article

Hormones and Mare Conception Rates

February 22, 2010

Treatment with equine follicle-stimulating hormone (eFSH) does not increase healthy mares' conception rates, researchers recently reported.

The hormone eFSH is used to stimulate donor mares' ovaries to increase the number of ... Read More