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
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
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
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
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
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
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
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
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
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
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
April 04, 2008
A handy guide to the male and female reproductive tracts in horses.... Read More
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
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
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
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
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
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
July 09, 2007
After five years of trying to coax Kentucky Derby winner War Emblem into performing regular breeding duties, Shadai Stallion Station officials might be reaching the limit of their patience with the horse they purchased for about $17... Read More
April 01, 2007
I desperately need some advice about my new colt. He is a 2½-year-old Gypsy Cob named Geordie. He was raised in a herd, then separated as a yearling colt, and ran with a colt herd until I imported him to Australia. He is naturally gentle and not... Read More
March 04, 2007
NARHA Receives Christopher Reeve Foundation Grant
The Christopher Reeve Foundation (CRF) announced today that the North American Riding for the Handicapped Association, Inc. (NARHA) has been awarded a $5,000 Quality of Life grant. The CRF... Read More
March 01, 2007
I have a maiden mare that has been bred twice. She bled both times. What would cause this? A tear?... Read More
March 01, 2007
Drug compounding, the ethics of treating cryptorchids, and sexually transmitted diseases were the hot topics discussed by equine practitioners at the Reproduction Forum.... Read More
February 24, 2007
Smarty Jones, starting his third season at stud, has been successfully treated for a minor temporary blockage in his reproductive tract and has returned to normal breeding activity.
Dan Rosenberg, president of Robert Clay's Three Chimneys Farm... Read More
February 01, 2007
Many hormone and drug treatments could have a negative impact on the endocrine system, so it's best to avoid using them altogether in the breeding stallion. However, Sue M. McDonnell, PhD, Certified AAB, of the University of Pennsylvania's School... Read More
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Q. We just got a 4-year-old stallion at our barn, and I wanted to know if even with electric fencing will he be able to break out to get in with the mares that are in the paddock next to him?
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