Recent News for Stallion Care and Problems

Article

California Mare Positive for CEM

February 25, 2009

A 12-year-old mare in California has tested positive for contagious equine metritis (CEM), a highly contagious but treatable reproductive disease of horses.

The positive mare was bred via artificial insemination using shipped semen collecte... Read More

Article

Questions to Ask Before Breeding a Mare

February 02, 2009

Thinking of breeding your mare this spring? The recent outbreak of contagious equine metritis (CEM, which is caused by bacterium Taylorella equigenitalis) in the United States and the previous outbreak of equine viral arteritis (EVA) have... Read More

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

California Among 39 States Testing Horses for CEM

January 17, 2009

California is among 39 states testing horses that might have been exposed to a highly contagious venereal disease of horses, contagious equine metritis (CEM). 

California Department of Food and Agriculture veterinarians have... 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

Prevent CEM, Other Infectious Diseases Through Strict Hygiene

January 07, 2009

Strict hygiene guidelines should be followed whenever handling breeding mares or stallions to prevent reproductive infectious diseases, including contagious equine metritis (CEM).

CEM is spread between horses primarily by breeding, either b... Read More

Article

Vaccination Yearly Planner

January 01, 2009

Immunizations are the cornerstone of disease prevention if given appropriately and in a timely manner.... 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

More Stallions Positive for CEM; Federal Funds Requested

December 19, 2008

Two additional stallions bring the total to three positive for contagious equine metritis (CEM) on a single Central Kentucky farm. The stallions added to the list are a 13-year-old Quarter Horse and a 4-year-old registered with the American... Read More

Article

Contagious Equine Metritis Case Could Impact Horse Transport

December 16, 2008

State and federal agriculture officials announced Dec. 16 that a Quarter Horse stallion standing at stud in Kentucky has tested positive for contagious equine metritis (CEM). As 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

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

Vaccination Schedule Guidelines

April 21, 2008

Developing a vaccination schedule is not as straightforward as it sounds. So much of what you should vaccinate for depends upon such factors as where you live, how often your horse travels, how old he is, his vaccination history, and what infectious ... 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

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