Breeding and Reproduction

Horse breeding from planning through foal care

CEM: Testing Continues, Officials Tracking Mares

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

Video: Contagious Equine Metritis

Dr. Peter Timoney covers the basics of the contagious venereal disease contagious equine metritis, which affects horses and is most often transmitted sexually.

Read More

More Stallions Positive for CEM; Federal Funds Requested

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

EHV-1 Found on Delaware Horse Farm

Heather Hirst, DVM, MS, Delaware State Veterinarian, announced Dec. 8 that PCR test results from the University of Kentucky confirm that a Standardbred horse in Kent County has tested positive for equine herpesvirus-1 (EHV-1), a highly infectiou

Read More

Prepare Now for January Foaling

Foals start arriving in January, so having all of the necessary equipment organized and ready to go is a project best completed in December. There are basic supplies that are important to have on hand for foaling mares. These should be in a kit or

Read More

As the Sperm Turns

Conception in the horse seems simple–a uniting of one healthy egg and one healthy sperm–but there is much more going on in this virtual soap opera of creating a new horse.

Fertilization is the beginning of a new

Read More

More From The Horse

Screenshot 2026-11-09 160213
gray horse
helping old horses gain weight
pregnant chestnut mare standing in field

Stay on top of the most recent Horse Health news with

FREE weekly newsletters from TheHorse.com

Weekly Poll

sponsored by:

Create a free account with TheHorse.com!

The Horse
Privacy Overview

This website uses cookies so that we can provide you with the best user experience possible. Cookie information is stored in your browser and performs functions such as recognising you when you return to our website and helping our team to understand which sections of the website you find most interesting and useful.