Stallion Care

Article

Storm Cat to Serve as a QH Stallion

January 17, 2009

Storm Cat, a leading sire who was pensioned last year after experiencing fertility problems at the Young family's Overbrook Farm near Lexington, Ky., might return to the sire ranks as a Quarter Horse stallion. The Quarter Horse breeding industry... Read More

Article

Contagious Equine Metritis Investigation Progresses in Wisconsin

January 16, 2009

Veterinary authorities continue to connect the dots in the investigation into contagious equine metritis (CEM), a contagious venereal disease of horses. Earlier this week, officials... Read More

Article

Dam Wins Battle of the Sexes to Protect Foal

December 29, 2008

After witnessing a rare (and unsuccessful) infanticide attack by a stallion on a one-hour-old foal, behavior researcher Meeghan Gray, PhD, from the University of Nevada, Reno, reported findings from the macabre event.

"In this first report... Read More

Article

Fourth Stallion has CEM; Kentucky Farm and State Working Together

December 23, 2008

A fourth stallion that formerly stood at a Central Kentucky breeding facility, now identified as DeGraff Stables/Liberty Farm Equine Reproduction Center LLC, has tested positive for contagious equine metritis (CEM). Officials had considered this... Read More

Article

CEM: Testing Continues, Officials Tracking Mares

December 20, 2008

Following the Dec. 19 announcement that two additional stallions have cultured positive for contagious equine metritis (CEM) on a Central Kentucky breeding facility, authorities now have the challenge of not only determining the status of the... Read More

Article

Bidding Opens for Texas A&M CVM's Legends Premier Stallion Season Auction

November 27, 2008

The Texas A&M College of Veterinary Medicine & Biomedical Sciences has announced that bidder registration is now open for the first ever Legends Premier Stallion Season Auction at the Legends auction Web site, Read More

Article

Young Guns

October 01, 2008

Q: I would like to know at what age a colt could breed a mare. I have a 10-month-old colt that has been in with mares until recently, and I was told he could have bred my mares.


A: There are many... Read More

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Equine Reproduction

August 15, 2008

Dickson Varner, DVM, MS, Dipl. ACT, presented the topic "From a Sperm's Eye View" at the 2007 AAEP Convention.... Read More

Article

Behavioral Therapy Reduces War Emblem's Breeding Foibles

July 14, 2008

Moved to a tranquil area away from other stallions and shielded from most visitors, temperamental champion and dual classic winner War Emblem now spends his days in a quiet grassy paddock over looking fields containing grazing mares and... Read More

Article

Castration Technique Could Reduce Complications

June 30, 2008

A new sterilization technique that leaves a stallion's testicles in place but nonfunctioning might provide a safe, simple, and reliable alternative to traditional castration methods, according to Iranian researchers.

In the... Read More

Article

Zoo Performs First Reverse Vasectomy on Horse

June 17, 2008

Scientists at the Smithsonian Institution's National Zoo have revealed they reversed a vasectomy on an endangered horse to allow it to reproduce naturally--the first-known operation of its kind on an endangered species.

Veterinarians said... Read More

Article

War Emblem Breeding Mares after Therapy

June 08, 2008

Champion and Kentucky Derby winner War Emblem is responding well to therapy for a breeding behavior dysfunction, according to experts at the University of Pennsylvania.

"He has had fertile sperm, but for several years has remained selective... Read More

Article

Atypical Causes of Stallion Infertility

May 18, 2008

It pays to think outside the box when considering possible causes of stallion infertility. The stallion's reproductive conformation, quality of sperm, and history can all impact his performance in the breeding shed.... Read More

Article

Reproduction and Sports Medicine Update: AAEP 2007

May 01, 2008

Veterinarians who attended presentations at the event came away with 18 hours of continuing education credit and new knowledge of current topics in equine reproduction and lameness.... Read More

Article

Natural Stallion Behavior

May 01, 2008

Q: I own a Lusitano stallion that has been stabled at the same barn for four years. Within the past four to six months, he has shown increasingly aggressive displays toward two stallions that walk in front of his stall. He kicks an... Read More

Article

Stallion Reproduction (AAEP Milne Lecture)

April 27, 2008

Varner directed the final two hours to a discussion of stallion fertility and told the group, for example, that morphologically abnormal sperm often do not have a negative impact on normal sperm. ... Read More

Article

Storm Cat Experiencing Drop in Fertility

April 08, 2008

Storm Cat, for years the No. 1 Thoroughbred stallion, has been experiencing difficulties impregnating his mares this breeding season at the Young's family's Overbrook Farm near Lexington. Fewer than half of the 31 mares that the 25-year-old... Read More

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Reproductive Anatomy: Basics of Life

April 04, 2008

A handy guide to the male and female reproductive tracts in horses.... Read More

Article

Raising a Stud Colt

March 01, 2008

I have bred my first colt this year and thus far have followed handling practices we have used on our previous two filly foals with great success. We have a beautiful Welsh Section C colt who is unafraid of most things, is very people friendly, wil... Read More

Article

Breeding Behavior: War Emblem Managers Still Trying

February 17, 2008

Hope continues to spring in abundance, if perhaps not eternally, at the Shadai Stallion Station in Japan that War Emblem will overcome his mysterious disdain for breeding.

With the dual American classic winner notching his first Japanese... Read More

Article

Best Breeding Approach

December 01, 2007

Q: For a horse reproduction project in my equine seminar course, I was trying to find video clips of horses breeding. Well, there were many on YouTube, and it took awhile to find the decent ones. But once I found some that were... Read More

Article

Enhancing Stallion Fertility

December 01, 2007


Science and good management are keys to keeping stallions at top breeding performance. 

Another equine breeding season is only a short time away, with many breeding sheds... Read More

Article

Anabolic Steroid Effects

November 01, 2007

A colleague, Larry Soma, VMD, is an anesthesiologist/pharmacologist who conducts research for the Thoroughbred and Standardbred horse racing commissions in Pennsylvania. Basically, his lab develops and validates testing methods for detection of... Read More

Article

French National Stud Recovering from EVA Outbreak

September 28, 2007

Eight stallions of the French national stud have been castrated and two others removed from the breeding site in an effort to control the spread of a recent outbreak of equine viral arteritis (EVA) in northwestern France.

No new EVA cases... Read More