Stallion Fertility
Article
Top Equine Reproduction Studies of 2012 (AAEP 2012)
Dr. Pat McCue gives a rundown on a number of 2012's practical equine reproductive studies.
Photo by Anne M. Eberhardt
Article
'Cheap 'n' Easy' Method for Evaluating Stallion Sperm Described (AAEP 2012)
Researchers studied the use of Dip Quick stain for examining sperm morphology with positive results.
Photo by Anne M. Eberhardt
5 Things You Need to Know
5 Things You need to Know: Stallion Fertility
Dr. Ed Squires shares the five most important things horse breeders need to know about stallion fertility.
Article
Hot Topics in Equine Reproduction
April 08, 2013
Researchers are continually making advancements to improve equine artificial insemination.... Read More
Audio
Stallion Fertility
March 20, 2013
Dr. Erin Denney-Jones discusses stallion fertility and stallion breeding exams.... Read More
Article
Top Equine Reproduction Studies of 2012 (AAEP 2012)
March 14, 2013
Dr. Pat McCue gives a rundown on a number of 2012's practical equine reproductive studies.... Read More
Article
Stallion Fertility Fine Following Removal of One Testicle (AAEP 2012)
February 06, 2013
Researchers found that stallions can still lead productive lives as studs with only one testis.... Read More
Article
'Cheap 'n' Easy' Method for Evaluating Stallion Sperm Described (AAEP 2012)
January 27, 2013
Researchers studied the use of Dip Quick stain for examining sperm morphology with positive results.... Read More
Video
5 Things You need to Know: Stallion Fertility
January 15, 2013
Dr. Ed Squires shares the five most important things horse breeders need to know about stallion fertility.... Read More
Article
Bacteria in Semen
December 11, 2012
Is there a bacterial component that can be present in stallion semen?... Read More
Article
Commentary: Have a Plan Before Breeding your Mare
December 03, 2012
It is important to consider everything involved in breeding before bringing another horse into the world.... Read More
Article
Nutraceuticals to Enhance Stallion Fertility?
October 26, 2011
Research has shown that some dietary changes have a beneficial effect on semen quality and stallion fertility.... Read More
Article
Subfertile Breeding Stallions: Management Strategies (AAEP 2010)
February 15, 2011
"Stallions do not become sires because of reproductive capability," began Dickson Varner, DVM, MS, Dipl. ACT, professor of large animal medicine and surgery at Texas A&M University. "They're selected based on performance, pedigree, and conformation... Read More
Article
Semen Optimization Increases Fertility of Subfertile Stallions
September 15, 2010
Veterinarians at The Georgia and Philip Hofmann Research Center for Animal Reproduction at Penn Vet's New Bolton Center in Kennett Square, Pa., have enjoyed notable success with semen optimization processing techniques. These techniques are... Read More
Article
Estimating Future Stallion Fertility
March 02, 2009
Veterinary examination of a prospective breeding stallion is used to judge the stallion's fertility. ... 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
Enhancing Stallion Fertility
December 01, 2007
Science and good management are keys to keeping stallions at topbreeding performance. Another equine breeding season is only a short time away, with many breeding sheds... Read More
Article
Stallion Subfertility and Infertility Conditions
November 01, 2006
Is your stud a dud? About one in 10 breeding stallions can't perform up to expectations due to subfertility or infertility. Causes for reduced breeding performance are many: Age, injury, genetics, management, or disease. Two are readily... Read More
Article
How to Improve Stallion Fertility?
July 01, 2005
I have a young (4-year-old) Dutch warmblood stallion with some fertility issues. However, he has had good fertility and a good sperm cell count. He has low motility, some poor morphology, and some dead and immature sperm cells. The longevity of... Read More
Article
Managing Subfertile Stallions
November 19, 2004
The decision to manage a subfertile stallion non-conventionally is "based on the condition of farm economics or despair, or more appropriately, the last hope before retiring the stallion," said Irwin K.M. Liu, DVM, PhD, a professor in the... Read More
Article
Stallion Infertility and the Y Chromosome
May 04, 2004
Environmental factors, management, and genetics all play a part in determining a stallion's fertility. Bhanu P. Chowdhary, BVSc, AH, MVSc, PhD, associate professor in animal genomics at Texas A&M University's College of Veterinary Medicine,... Read More
Article
Help Needed for Stallion Infertility Research
March 08, 2004
Bhanu P. Chowdhary, BVSc, AH, MVSc, PhD, associate professor in Texas A&M's College of Veterinary Medicine, is trying to find molecular causes of stallion infertility and reduced fertility. Chowdhary said, "Our research focuses... Read More
Article
Feeding to Improve Fertility of Stallions (AAEP 2003)
January 31, 2004
Research has shown that boars can be fed a specific diet to increase fertility, and the same might be true of stallions. Steven Brinsko, DVM, PhD, Dipl. ACT, from Texas A&M University, discussed the potential of feeding a nutraceutical to... Read More
Article
The Sub-Fertile Stallion
March 01, 1998
When we consider that foaling rates overall range somewhere in the neighborhood of 55-60% it becomes instantly obvious that simply covering a mare and getting a foal are not a sure thing. The problem is not always with the mare. ... Read More
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Related Multimedia & Downloads
Farm Call: Your Questions Answered
Bacteria in Semen
Q. I'm wondering if there is a bacterial component that can be present in stallion semen. We have a stallion that will settle mares easily one year and then not be able to settle mares the next.
How to Improve Stallion Fertility?
Q. I have a young (4-year-old) Dutch warmblood stallion with some fertility issues. However, he has had good fertility and a good sperm cell count. He has low motility, some poor morphology, and some dead and immature sperm cells. The longevity of his semen is good. We want to ship the best-quality semen we can achieve. We have tried different extenders and collecting him into extender
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