Recent News for Assisted Reproduction

Artificial light in stables or barns is commonly used to further advance the breeding season in mares. This mare is wearing an individual light mask, which enables her to remain outside, potentially improving welfare and reducing management costs.

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British Vets Hope to Expand Equine Reproduction Research

September 15, 2017

An equine reproduction specialist shares tips for breeders to help them make the most of the latest research.... Read More

Quarter Horse stallion Slick by Design is a competitive barrel racer who's also one of the sport's leading sires.

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The Double-Duty Stallion

June 18, 2017

Is your stallion expected to perform in both the breeding shed and the arena? Here's what you need to know. ... Read More

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Lawsuit Filed Over Allegedly Mishandled Stored Semen

April 02, 2017

An Arkansas women claims an equine reproduction facility mishandled semen from her now-deceased Missouri Fox Trotter.... Read More

This stained blastocyst (a very early stage embryo) was produced by ICSI and in vitro culture.

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Three Assisted Reproductive Techniques for Subfertile Mares

March 17, 2017

Vets can use intracytoplasmic sperm injection, oocyte transfer, and cloning to help subfertile mares produce foals.... Read More

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Top Reproduction Studies of 2016

February 09, 2017

Dr. Terry Blanchard shares studies on endometritis, semen extenders, stem cell therapy, and more.... Read More

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When, Where, and How Much Frozen-Thawed Semen is Best?

December 31, 2016

Mares had higher pregnancy rates per cycle as sperm numbers and number of inseminations per cycle increased.... Read More

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Breeding the Older Mare

December 30, 2016

As a mare's fertility wanes, there are still steps--some simple, some cutting-edge--breeders can take to obtain a foal.... Read More

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Horserace Betting Levy Board issues 2017 Codes of Practice

December 13, 2016

The codes are a guide to preventing and controlling equine diseases that could threaten the breeding industry.... Read More

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The Vet Tech's Role in Collecting and Handling Semen

October 21, 2016

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

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Why Freeze Stallion Semen?

September 04, 2016

There are other reasons for freezing a stallion's semen besides export or transport.... Read More

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Stallion Semen Freezing 101

June 12, 2016

A reproduction specialist reviews how to freeze semen so veterinarians can carry out the process in their practices.... Read More

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Could Air-Dried Semen Produce Equine Embryos?

May 08, 2016

Researchers determined that air-dried sperm can be kept for up to four weeks before being used to produce an embryo.... Read More

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When Nature Meets Science: Breeding With Frozen Semen

April 14, 2016

What you need to know and expect when using this breeding method.... Read More

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Study: Stallion Semen Integrity Varies by Season

April 06, 2016

The month of the year appears to have a significant impact on several parameters of collected semen in stallions.... Read More

Prior to vitrification, the veterinarian punctures the embryo and extracts fluid to prevent ice crystal formation, which damages cells upon thawing.

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Scientists Fine-Tune Embryo Freezing Methods for Fertility

February 19, 2016

Researchers are hoping to make the preferred embryo freezing procedure available to more breeders.... Read More

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Practical In-House Epididymal Semen Collection

February 14, 2016

Cryopreserved epididymal sperm can be valuable if a stallion will be castrated or if he dies unexpectedly.... Read More

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Practical Reproduction Studies of 2015

February 02, 2016

A recap of studies on topics ranging from prostaglandin treatment of mares to semen quality in stallions.... Read More

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Recipient Mares Pass Some Traits on to Foals

January 13, 2016

One researcher describes what we know about the receiving mare's effect on the foal. ... Read More

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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

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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

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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

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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

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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

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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

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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