Equine Disease Quarterly

Articles by: Equine Disease Quarterly

Proliferative Enteropathy in Horses

Lawsonia intracellularis, a well-known pathogen of swine and hamsters, is now frequently recognized within the equine species. It is an obligate, intracellular, curved, gram-negative bacterium that resides freely within the apical

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Strangles Vaccines and Immunity to Streptococcus equi

Equine strangles is caused by Streptococcus equi, a biovar, or clonal descendent of an ancestral S. zooepidemicus. Recovery from the disease is accompanied by onset of acquired resistance to the disease in approximately 75% of horses, an immunity that persists for 5 years or longer — hence the greater incidence of strangles in younger horses.

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Commentary on Equine Herpesvirus

The recent outbreaks of paralytic equine herpesvirus type-1 (EHV-1) infection at racetracks and training centers in Kentucky, Maryland, and Pennsylvania have illustrated the benefits of combining the old with the new. The old is the regular,

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Worldwide Disease Outbreaks

The International Collating Centre, Newmarket, England, and other sources reported the following disease outbreaks during the fourth quarter 2005.


Cases of abortion caused by equine herpesvirus-1 (EHV-1) were reported from New South

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Breed the Best to the Best

Genomics is a buzz word, even among scientists. The term genomics includes the entire complement of chromosomes, genes, and DNA sequences that make up humans and animals. Technological advances during the last 15 years have led to the entire

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New Insights into Equine Herpesvirus-1 (EHV-1) Neurological Disease

This is an excerpt from Equine Disease Quarterly, funded by underwriters at Lloyd’s, London, brokers, and their Kentucky agents.






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Rabies in Kentucky–2003 and 2004

In 2003, The Kentucky Department for Public Health Division of Laboratory Services and the Breathitt Veterinary Center received 1,217 animal specimens from Kentucky counties for rabies testing. There were 52 (4.3%) samples unsuitable for testing

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West Nile Virus Update for 2004

West Nile virus has continued its inexorable spread westward across the United States and its presence is now confirmed in all states except Alaska and Hawaii. As of October 27, the USDA reported a total of 1192 equine cases throughout the Unite

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Endometrial Biopsy

It is well established that mares decline in fertility with advancing age; even mares within the window of optimal reproduction sometime suffer from reduced fertility. An important contributor to these problems is endometrial disease. Considerin

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Equine Disease: Second Quarter 2004

The International Collating Centre, Newmarket, and other sources reported the following disease outbreaks in the second quarter of 2004:

Abortions caused by equine herpes virus (EHV-1) among vaccinated mares were diagnosed on a

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Equine Jet Lag

The consequences of jet lag for the equine athlete have become more relevant in recent times due to increased travel of performance horses across multiple time zones for international competition.

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Dissolving the Stain of Pain

The presence and degree of pain an animal experiences is meant to be beneficial. Pain signals actual or impending body damage, and may help prevent further damage by initiating movement away from the cause or by limiting use of injured areas

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Equine Disease: First Quarter 2004

The International Collating Center, Newmarket, and other sources reported the following disease outbreaks:

A case of contagious equine metritis in a Thoroughbred mare was reported from Japan. Respiratory disease attributable to equine

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