Breeding and Reproduction

Horse breeding from planning through foal care

Champion Thoroughbred Fosters Orphaned Foal

Maybe it was an overwhelming maternal instinct. Or maybe it was that headstrong, competitive spirit. Brown Bess wanted another baby. Retired from life as a broodmare, the 22-year-old champion had the roam of a grassy pasture with other pensioned

Read More

Vaccinating Strategically

Every spring, you ask your veterinarian to vaccinate your horse to protect her from disease while she’s showing, racing, carrying a foal, or hanging around your pasture. But is this yearly routine the best way to confer immunity with the vaccine

Read More

Neurologic Herpesvirus Confirmed in Maryland

The neurologic form of equine herpesvirus type-1 (EHV-1) was confirmed as the cause of disease in two Maryland horses infected during a deadly disease outbreak this spring. Twelve horses exhibited signs of neurologic illness in the outbreak at a

Read More

Taming an Aggressive Foal

We recently were blessed with a healthy filly. However, the breeder we bought the mare from had her due date wrong. She came five weeks before we were expecting her. She was born in the pasture with another mare present. Th

Read More

MRLS in Washington State?

While there has been speculation that several cases of mare reproductive loss syndrome (MRLS) happened in Washington state during the spring of 2003, the number of accessions to the state’s diagnostic lab doesn’t uphold that theory. Charles

Read More

Neurologic Herpesvirus Confirmed in Maryland Outbreak

The neurologic form of equine herpesvirus type-1 (EHV-1) has been confirmed as the cause of disease in two Maryland horses infected during a deadly disease outbreak this spring. Twelve horses exhibited signs of neurologic

Read More

Stallion or Gelding?

A cryptorchid, also called a ridgling, is a male horse in which one or both testicles do not descend into the scrotum. In the developing fetus, the testicles are formed within the abdomen. As the fetus nears term, the inguinal rings and inguinal

Read More

Tests Inconclusive in Maryland Disease Outbreak

Investigators have been unable to make a conclusive diagnosis in the outbreak of equine neurologic disease on a single quarantined farm in Poolesville, Md. There is strong suspicion that equine herpesvirus type-1 (EHV-1) is to blame, but further

Read More

Arizona Horse Slashing Mystery Solved

The necks of more than 20 horses were mysteriously slashed near their jugular veins at Tanque Verde Guest Ranch in Tucson, Ariz., beginning in July, 2003. The attacks launched an investigation, and concern about area horses’ safety erupted.

Read More

Cross-species Cooperation

Rare teaming of human and veterinary medicine saves suffering mare. This is a segment of an article that printed in the Lexington Herald-Leader on May 8, 2004, and is reproduced with the permission of the

Read More

Stallion Infertility and the Y Chromosome

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

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.