Foaling Rates ‘Good’ Following Pregnancy Loss in Horses

When veterinarians detected pregnancy loss in horses early enough for mares to be rebred, 57.3% delivered a live foal the following spring. Of those, mares 3 to 8 years old had a 73% live-foaling rate.
Share
Favorite
Close

No account yet? Register

ADVERTISEMENT

pregnancy loss
When pregnancy loss was detected early enough, 57.3% of mares delivered a live foal the following spring. | Photo: iStock

No breeder wants a mare to lose a fetus or foal. But researchers have learned that when pregnancy loss is detected early enough, some mares can be rebred successfully in the same breeding season with decent foaling rates.

In a study of 82 Thoroughbred mares rebred after early pregnancy loss, 57.3% delivered a live foal the following spring, said Yasuo Nambo, DVM, PhD, of the Obihiro University of Agriculture and Veterinary Medicine, in Hokkaido, Japan.

“The observed foaling rate of the mares following rebreeding in the same reproductive season after pregnancy loss was lower than the foaling rates of 69–79% that have been reported in previous studies on Thoroughbred mares,” the researchers noted. “However, it was still relatively good considering that all of the mares had experienced pregnancy loss

Create a free account with TheHorse.com to view this content.

TheHorse.com is home to thousands of free articles about horse health care. In order to access some of our exclusive free content, you must be signed into TheHorse.com.

Start your free account today!

Already have an account?
and continue reading.

Share

Written by:

Katie Navarra has worked as a freelance writer since 2001. A lifelong horse lover, she owns and enjoys competing a dun Quarter Horse mare.

Related Articles

Stay on top of the most recent Horse Health news with

FREE weekly newsletters from TheHorse.com

Sponsored Content

Weekly Poll

sponsored by:

Do you use slow feeders or slow feed haynets for your horse? Tell us why or why not.
333 votes · 333 answers

Readers’ Most Popular

Sign In

Don’t have an account? Register for a FREE account here.

Need to update your account?

You need to be logged in to fill out this form

Create a free account with TheHorse.com!