Recent News for Breeding and Reproduction

Article

Management of Twins: Have We a New Option?

October 15, 2001

As has been discussed in earlier issues of The Horse, twinning is highly undesirable in the mare. The advent of ultrasound has allowed earlier detection of multiple pregnancies from around Days 14 to 16 post-breeding, and the majority of... Read More

Article

Geldings and Equine Viral Arteritis (EVA)

October 12, 2001

Q: Is it possible for a gelding to have equine viral arteritis? I've read all about this disease in mares and stallions, but I have not read anything about it in geldings.

Article

New MRLS Theory Suggested

October 12, 2001

The examination of mycotoxins, wild cherry trees, molds, cyanide, odd climatic conditions, and unusually heavy caterpillar infestation has led to one more possible theory to how mare reproductive loss syndrome was triggered this... Read More

Article

Ohio Searches for Reasons Behind its Spring Losses

October 12, 2001

The same survey questions used to look at risk factors in mares with late-gestation and early fetal losses in Central Kentucky are being used to investigate the outbreak in Southeastern Ohio.

Stephen Schumacher, a... Read More

Article

Foal Rejection

October 11, 2001

To understand why foal rejection occurs and how to prevent it, you must first realize what is normal post-foaling maternal behavior.... Read More

Article

Preparing for Foaling

October 11, 2001

This article will describe procedures that should be done before foaling, the events that take place just prior to foaling, what events take place during a normal foaling--along with the normal post-foaling events--and will describe some of... Read More

Article

Superovulation

October 11, 2001

In the continuing effort to increase the fertility of horses there comes a new weapon--superovulation. Inducing a mare to ovulate multiple oocytes can translate into producing more foals from selected females. Assisted reproductive technology ca... Read More

Article

Stallion Insurance

October 11, 2001

There is virtually no investment in the horse business, short of buying a farm, that equals the investment in a stallion. Whether an individual is buying a horse or several members get together to form a syndicate, the price can run well into th... Read More

Article

The Young Stallion

October 11, 2001

Envision this: In his first season, the young stallion fulfills his purpose as a breeding animal. He matures from a rambunctious colt into a skillful stud. So how do you make this dream a reality? As the handler, you want the horse to behave... Read More

Article

Mare Fertility Insurance

October 11, 2001

Each year horse breeders, regardless of the breed they nurture, make their biggest financial decisions when they decide on matings. Those decisions involve the allure of the equine business and its... Read More

Article

Hemorrhage in the Broodmare

October 11, 2001

A mare is at the greatest risk of a deadly complication associated with foaling known as hemorrhage in the 24-48 hours after giving birth. However, it is important to note that hemorrhage can occur at any time during gestation, and that it shoul... Read More

Article

Maternal Behavior

October 11, 2001

"She can go from sweetheart to witch in a split second," is often an apt description for a broodmare with foal at side, or, in some cases, a mare which is approaching parturition. Maternal behavior in mares can range all the way from being a... Read More

Article

Survey Confirms Preliminary Thoughts; Points to Other Research Needs

October 11, 2001

"This survey was to identify risk factors, not causes," emphasized Dr. Roberta Dwyer of the Gluck Equine Research Center. Dwyer was the University of Kentucky's leader in the organization and implementation of the survey of 133 farms... Read More

Article

Breeding on Foal Heat

October 10, 2001

The mare has a long gestational period and to be a yearly producer she must be back in foal, on average, 25 days from giving birth. It is important to understand all the processes that take place in the period from parturition to the restoration... Read More

Article

HYPP: Hyperkalemic Periodic Paralysis

October 10, 2001

They gave the muscular Quarter Horse colt an ambitious name: Impressive. He lived up to the name in such dramatic fashion that it became a household word in Quarter Horse circles - especially among breeders and exhibitors involved in showing... Read More

Article

Venereal Disease in Horses

October 10, 2001

Venereal diseases are those that can be sexually transmitted. "Vener" is the Latin term for sexual intercourse and, hence, the origin of the term "venereal." The outcome of sexually transmitted diseases in horses can vary... Read More

Article

Fescue Toxicosis

October 09, 2001

Mares grazing on tall fescue pastures infected with a toxin have increased gestation lengths, mare and foal deaths, agalactia (absent milk secretion after birth), retained placentas, premature separation of the placenta at birth, and... Read More

Article

Combined Immunodefiency in Arabians

October 09, 2001

A newborn Arabian foal is possibly one of the most beguiling creatures on Earth. Elegant of feature and blessed with beauty, he's full of promise for the future--and often descended of royal blood and worth many thousands of dollars. Imagine how... Read More

Article

Restraint Techniques for Breeding

October 08, 2001

When a mare and a stallion meet, love might be in the air...but there's the potential for danger, too. Particularly when humans get in the middle of it all. In our efforts to orchestrate the best possible combinations of... Read More

Article

Failure of Passive Transfer in Horses

October 08, 2001

Infectious disease is a major cause of death in neonatal foals. The foal is born immunocompetent, meaning it probably is able to initiate an immune response to organisms to which it is exposed. However, a newborn foal lacks... Read More

Article

Freezing Semen

October 08, 2001

The technology that allows us to freeze a stallion's semen for future use has opened up a world of opportunities. Not only does it allow the stallion's DNA to be available to mare owners around the globe, but it enables a stallion to stand at stud wh... Read More

Article

Teasing Mares

October 08, 2001

Teasing mares can be a time-consuming and boring procedure, but it is essential if one is to detect when a mare is in estrus. Unfortunately, all mares do not react to teasing in the same manner, so one approach doesn't suit all.... Read More

Article

WEVA: On the Move

October 08, 2001

They met in Italy to exchange information about reproduction, sports medicine, infectious diseases, transportation, and surgery. The more than 300 delegates from 29 different countries, including Germany, Australia, New Zealand, Ireland, Denmark... Read More

Article

What You Do Not Know...

October 05, 2001

The federal government decided to include funding for equine research in the fiscal year 1999 Agriculture Appropriations Bill that passed recently (see Up Front page 9). Those moneys are earmarked for several areas, including research into... Read More

Article

Semen Analysis

October 05, 2001

A stallion produces untold billions of sperm during a lifetime, and in a normal ejaculate, he can send four billion of them on a race to fertilize a single egg. Only one sperm can succeed. Unfortunately, there are times when none of them succeed... Read More