Recent News for Assisted Reproduction


Questions to Ask Before Breeding With Frozen Semen

November 07, 2015

Frozen semen offers many advantages, but it is important to understand that not all frozen semen is the same.... Read More


Court Sides With AQHA in Cloning Case

November 02, 2015

The U.S. Fifth Circuit Court of Appeals sided with the AQHA in a long-running case involving the registration of clones.... Read More


Linseed Oil, Vitamin E Help Improve Cooled Semen Quality

October 31, 2015

Adding these supplements to stallions' diets could help counteract the phenomenon of lower sperm quality in the winter.... Read More


Foal Produced Via Intracytoplasmic Sperm Injection Born

October 06, 2015

Lord Nelson, or "PICSI," was the first foal produced via intracytoplasmic sperm injection to be born at UC Davis.... Read More


Thinking Outside the Breeding Shed

June 17, 2015

Infertile mare? Deceased stallion? No problem! Equine reproduction is now high-tech enough to overcome these hurdles.... Read More


McCue, Squires Publish Equine Embryo Transfer Manual

May 27, 2015

The manual is based on basic science, research, and clinical experience from a commercial embryo transfer program.... Read More


Researchers Produce First European Foals from Frozen Embryos

May 15, 2015

The team hopes to make this process more accessible to breeders in the future.... Read More


Cooled-Shipped Sperm Quality's Effect on Fertility

May 01, 2015

One vet said sperm quality thresholds his team identified can help practitioners make better breeding decisions.... Read More


Embryo Transfer: From One Mare to Another

March 18, 2015

The technology behind equine embryo transfers means exciting assisted reproduction options are on the horizon.... Read More


Top Equine Reproduction Studies of 2014

January 20, 2015

Studies covered biofilms, chilled and frozen semen, endometritis, placentitis, oxidative stress and fertility, and more.... Read More


Appeals Court Rules AQHA Can Reject Clones

January 15, 2015

The ruling overturned a lower court decision mandating that the AQHA include clones in its registry.... Read More


Australia's Ban on AI in Thoroughbreds Upheld by High Court

October 17, 2014

The federal court determined that the ban is not anti-competitive or a restraint on trade.... Read More


The Vet Tech's Role in Collecting and Handling Semen

October 16, 2014

The goal is to safely collect the best possible sample, and a technician's role is important from beginning to end.... Read More


Equine Assisted Reproduction Techniques 101

October 05, 2014

Learn about the four most common assisted reproduction techniques used in today's equine breeding industry.... Read More


TAMU Researcher Studying IVF in Horses

September 03, 2014

A researcher is studying why in vitro fertilization (IVF) success rates are lower in horses than in humans.... Read More

A fertilized equine oocyte with two, decondensed pronuclei (DNA marked in blue and the membrane of the pronucleus in red).


Researchers Mature Equine Oocytes in Laboratory

June 22, 2014

Researchers took a step toward improving assisted reproduction by successfully maturing oocytes in a lab.... Read More


Four Foals Produced using Genotyped, Cryopreserved Embryos

June 18, 2014

For the first time in Europe four foals were produced via the transfer of genotyped and cryopreserved embryos.... Read More


Surrogate Mares' Impact on Embryo Transfer Foals Evaluated

June 18, 2014

Researchers found size and metabolic marker differences in half-siblings gestated in mares of different sizes.... Read More


Post-Thaw Semen Quality Tested

June 10, 2014

Non-sperm cells in fresh semen release an enzyme during freezing which could decrease thawed semen quality.... Read More


Study: Antibiotics in Extenders can Prevent CEM Transmission

April 25, 2014

Researchers tested if antibiotics in semen extender could inhibit the growth of CEM's causative bacteria.... Read More


Breeding Dummy Design

April 24, 2014

Are there size recommendations for a building a breeding dummy for a Quarter Horse stallion?... Read More


Could ICSI Donor Mares Serve as their Own Embryo Recipients?

April 22, 2014

This technique, which a team of scientists recently found to be successful, could make ICSI more affordable.... Read More


Australia's Rules Banning AI in Thoroughbreds Upheld

April 19, 2014

The Full Federal Court of Australia dismissed a challenge to a ban on artificial insemination (AI).... Read More


Keeping Stallions' Genital Microflora in Check

April 16, 2014

Using proper and sterile management techniques can help ensure genital microflora do not affect semen quality.... Read More


Colt Born at New Bolton Center with World Watching

March 31, 2014

Thoroughbred mare My Special Girl gave birth to a colt at 9:22 p.m. on March 29 at the New Bolton Center. ... Read More