Recent News for Breeding and Reproduction

Article

Neurologic Equine Herpesvirus Case Euthanatized at Pennsylvania Harness Track

February 23, 2005

A Standardbred mare euthanatized last Friday (Feb. 18) at the Meadows racetrack in Meadowlands, Pa., had the neurologic form of equine herpesvirus type-1 infection, according to University of Pennsylvania veterinarians. The barn where the mare... Read More

Article

Equine Respiratory Diseases

February 21, 2005

Influenza, equine herpesvirus, and strangles were the diseases highlighted by Bonnie Rush, DVM, MS, Dipl. ACVIM, professor and section head of equine internal medicine at Kansas State University, at a seminar on infectious respiratory diseases... Read More

Article

Central Kentucky Abortion Accessions Suggest Normal Foaling Season

February 17, 2005

Central Kentucky equine abortion accessions so far in 2005 do not indicate mare reproductive loss syndrome (MRLS). The University of Kentucky's Livestock Disease Diagnostic Center (LDDC) is posting the number of abortion accessions of all breeds... Read More

Article

Equine Colic (AAEP Convention 2004)

February 16, 2005

As one might expect in a gathering of equine veterinarians discussing colic, much of the Sunrise Session dedicated to the topic covered evaluation of the colicky horse to determine severity and decide on medical vs. surgical management.... Read More

Article

Michigan Officials Requiring EHV Vaccination

February 15, 2005

Officials from Michigan's Office of Racing Commissioner (ORC) are requiring all horses entering any of seven licensed pari-mutuel facilities in the state be vaccinated for equine herpesvirus (EHV), in an effort to keep the virus confined to... Read More

Article

Embryo Transfer Discussed

February 15, 2005

Much of the discussion involved sharing professional information, such as specific instruments involved, but they also addressed such matters as preparation of the recipient mare and the most optimum state of embryo maturation for transfer.... Read More

Article

AAEP Convention 2004: Hormone Therapy in the Mare

February 14, 2005

This discussion at the 50th annual American Association of Equine Practitioners (AAEP) Convention in Denver, Colo., Dec. 4-8, 2004, was presided over by Patrick McCue, DVM, PhD, Dipl. ACT, associate professor of equine ambulatory medicine at... Read More

Article

Sperm Membrane Integrity (AAEP 2004)

February 14, 2005

While a large part of microscopic semen evaluation centers around motility (directional sperm movement) and morphology (sperm structure), some reproductive specialists think there's more to the story. In an attempt to better understand stallion... Read More

Article

hCG and Ovulation

February 14, 2005

Managing a mare's estrous cycle is an integral part of breeding management, and human chorionic gonadotropin (hCG) is one hormone option for doing just that. Patrick McCue, DVM, PhD, Dipl. ACT, associate professor of equine science at Colorado Stat... Read More

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