Recent News for Breeding and Reproduction

Article

Pregnancies from Dead Mare Ovaries

February 14, 2005

"Death or euthanasia of a valuable mare results in loss of her genetic potential," she said. "However, when a mare dies, her ovaries still contain potentially viable oocytes that can be harvested to produce additional offspring."... Read More

Article

The Maladjusted Foal

February 14, 2005

The basic theme of Rossdale's presentation was that problems suffered by the fetus before birth and during the birthing process can have long-term effects on the animal's performance capability and overall health as it grows and matures.... Read More

Article

Prostaglandins: Reducing Drug Costs and Side Effects

February 14, 2005

A major use of prostaglandin is to manipulate mares' estrous cycles. Some side effects observed when mares are treated with labeled doses of these medications include sweating and colic, and as a result owner distaste for using the drugs is growing.... Read More

Article

Placenta Assessment and Examination

February 14, 2005

The examination of a well-preserved placenta adds value to a post-partum checkup. "What clients can do to help us is the timeliness of placental examination," he added. "There is little you can draw from a placenta that has been exhumed from beneath... Read More

Article

Increasing Embryo Recovery Rates and Transfer Success

February 14, 2005

Hudson found that embryo recovery can be enhanced by slight modifications of the standard embryo flush technique, and embryo transfer success can be improved by verifying that the embryo was not retained in the tip of the sheath with which the veteri... Read More

Article

Placentitis--General Information

February 14, 2005

The single most important cause of premature delivery of a foal is placentitis. It accounts for nearly one-third of late-term abortions and fetal mortality in the first day of life.... Read More

Article

Placentitis--Placental and Post-Mortem Examination

February 14, 2005

Performance of a thorough placental examination, he said, requires a basic understanding of placental anatomy and some familiarity with the gross features found in a normal placenta.... Read More

Article

Placentitis--Caring for the Foals

February 14, 2005

During the foaling season, Bain said, veterinarians are frequently called upon to deal with a foal that is the product of a mare with placentitis. These foals, he said, can range from being extremely early--300 days--with small size and organ functio... Read More

Article

Newborn Foals: Routine and Emergency Care

February 14, 2005

The best chance to improve the survival rate of a newborn foal, she said, is adequate advance disease prevention and planning. The disease prevention includes a comprehensive vaccination program, Zimmel told her listeners.... Read More

Article

HC/HERDA Research

February 13, 2005

In horses with HC, the skin separates between the deep and superficial dermis. There is no cure. A DNA test for carrier identification is not yet available, and therefore, managed breeding strategy is currently the only option for reducing the incide... Read More

Article

Rhodococcus equi Research

February 13, 2005

Rhodococcus equi is the most common cause of severe pneumonia in foals. However, despite intensive research, the reasons some foals get this pneumonia and some don't are not known.... Read More

Article

Neonatal Septicemia Study

February 13, 2005

Septicemia is loosely defined as bacteria or bacterial components in the bloodstream. In foals, septicemia is the most common cause of death in the first week of life, noted Simon Peek, BVSc, MRCVS, PhD, Dipl. ACVIM, clinical associate professor of... Read More

Article

Fourth Case of EHV-1 Detected at Michigan Track

February 10, 2005

Michigan Department of Agriculture (MDA) director Dan Wyant today announced the confirmation of a fourth case of equine herpesvirus type-1 (EHV-1) at Northville Downs in Northville, Mich., and the subsequent cancellation of live racing cards... Read More

Article

A Rare and Fatal Disease

February 01, 2005

What can you tell me about Tyzzer's disease? I've heard of only two cases in the last 20 years.... Read More

Article

Determining Delivery Time

February 01, 2005

I have two horses I have purchased not knowing they were pregnant. How will I know that they are close to delivery? Will they lose their appetite like my dogs do, or will there be other signs I should look for in the last month of... Read More

Article

The ART of Breeding

February 01, 2005

Successful breeding of horses is not always as easy as presenting a receptive mare to a fertile stallion. There are many things that can go awry with the reproductive process. Broodmares that were once fertile and produced many excellent foals... Read More

Article

BEVA Shares Education

February 01, 2005

The United Kingdom is famous for its rich history and deeply rooted traditions, but that doesn't mean its veterinarians are bound to ancient methods of equine medicine. Quite the contrary, the British Equine Veterinary Association (BEVA) hosts... Read More

Article

GI Disease in Foals

February 01, 2005

Despite advances in veterinary medicine, the first few weeks of a foal's life can still be risky. Many health problems can arise, including myriad gastrointestinal (GI) disorders that can quickly drain a youngster of health, vigor, and sometimes... Read More

Article

Sick Baby? Calories Count!

February 01, 2005

Focusing on proper nutrition can play a key role in getting your sick foal back on a healthy track.... Read More

Article

EHV in Foals From Vaccinated Mares

February 01, 2005

The results suggest that certain mares have latent EHV-1, experience reactivation of the virus, and pass it on to their foals, allowing viral spread around the farm. Therefore, EHV-1 is continuing a silent cycle among foals even when the mares are... Read More

Article

WNV Vaccine: Safe for Broodmares

February 01, 2005

Researchers at Texas A&M University (TAMU) have just completed a retrospective study into the safety of administering the killed West Nile virus (WNV) vaccine to pregnant broodmares, the first study on this topic in equine reproductive... Read More

Article

EHV-1 Kills Two Michigan Racehorses

February 01, 2005

At least two horses at Northville Downs Standardbred racetrack in Northville, Mich., contracted equine herpesvirus type 1 (EHV-1) and were euthanatized in December. The first case was found Dec. 14, when a 6-year-old Standardbred gelding began... Read More

Article

Third Case of Equine Herpes Virus Confirmed at Northville Downs

January 26, 2005

Michigan Department of Agriculture Director Dan Wyant announced the confirmation of a third case of equine herpes virus type-1 (EHV-1) at Northville Downs in Northville, Mich., on Jan. 20. One barn at Northville Downs has been placed under... Read More

Article

Stretching Semen in the Aged Stallion (AAEP 2004)

January 26, 2005

As breeding stallions age, their reproductive abilities can wane, leaving their breeding managers with a problem--too many mares to breed, and not enough sperm. J. Scott Weems, DVM, of Weems & Stephens Equine Hospital in Aubrey, Texas, has... Read More

Article

U.K. Equine Viral Arteritis Restrictions Lifted

January 14, 2005

The stallion that tested positive for equine viral arteritis (EVA) has been returned to its country of origin and restrictions on the quarantine premises where it was being kept have now been lifted.

The horse, which had been imported... Read More