Erin Ryder, TheHorse.com News Editor

Voluntary CEM Surveillance Testing Announced

Stallion owners are asked to participate in a voluntary surveillance test effort for contagious equine metritis (CEM) in order to help animal health authorities collect accurate information on the presence (or absence) of the disease in the United States. The USDA's Animal and Plant Health Inspection Service's veterinary services program has set a...

Great Britain EIA: 50 Horses Exposed

Fifty horses were exposed to equine infectious anemia (EIA) at a stable in Swindon, Wiltshire, England. All horses on the infected premises appeared clinically normal but will be tested at 30-day intervals for up to 90 days. The two positive mares, which were recently imported from Romania, were euthanized.

EIA Reported in Great Britain

Animal health authorities have confirmed two cases of equine infectious anemia (EIA) in Wiltshire, England. The two horses were recently imported from Romania via Belgium, noted a statement from the Department for the Environment, Food, and Rural Affairs (DEFRA).

Piroplasmosis Found in New Mexico Horses

As part of a racetrack screening program, three New Mexico horses have been identified as infected with Theileria equi, a causative agent for equine piroplasmosis. These infections are noteworthy as these horses are not epidemiologically linked to those involved in a larger ongoing investigation centered on horses from a South Texas ranch.

Equine Piroplasmosis Found in 11 States

Animal health authorities investigating an outbreak of equine piroplasmosis on a South Texas ranch have now located 317 positive horses. These horses include 288 on the index ranch, seven on other premises in Texas, one in Alabama, two in California, five in Florida, one in Georgia, five in Louisiana, one in Minnesota, two in North Carolina, three in New ...

Missouri Equine Piroplasmosis Outbreak 'Resolved' in OIE Report

A Sept. 15 report on the cases of equine piroplasmosis earlier this year in Missouri and Kansas declares the outbreak resolved. Three positive horses that were removed from quarantine remain missing. (

Equine Piroplasmosis Reported in Ireland

Animal health authorities in Ireland are reporting equine piroplasmosis among Thoroughbred racehorses in County Meath. Nearly 30 animals have tested positive for the disease, stated a report issued to the World Organization for Animal Health (Office International des Epizooties, or OIE) by Paddy Rogan, MVB, MRCVS, chief veterinary officer in the Depart...

Vet Hospitalized with Hendra Virus

A veterinarian exposed to a horse infected with Hendra virus has tested positive for the disease and is hospitalized in an induced coma, said the Australian Horse Industry Council.

Three horses on a Cawarral, Queensland, property died in late July and early August. Two of the dead horses were confirmed positive for Hendra, a potentially zoonotic v...

Third Piroplasmosis Horse Reported Missing

A third horse that tested positive for equine piroplasmosis was illegally removed from quarantine in June, stated a report issued to the World Organization for Animal Health (Office International des Epizooties, or OIE) by John Clifford, DVM, deputy administrator of the USDA's Animal and Plant Health Inspection Service.

Traumatic Injury to the Equine Central Nervous System, ACVIM 2009

Whether it's a yearling that flipped and landed on his poll or an older horse that tumbled after simply taking a bad step, traumatic injury to the central nervous system is the most common cause of neurologic problems in horses. Yvette S. Nout, DVM, MS, PhD, Dipl. ACVECC, ACVIM, a researcher at the University of California, San Francis...

VS Reported in New Mexico Horse

A horse in De Baca County, N.M., is reported to be positive for vesicular stomatitis, according to a statement released by the Texas Animal Health Commission.

The premises has been under quarantine since June 18, 2009. No other horses are exhibiting signs of the disease. At this time there are no other investigations.

CEM Investigation Finds 21 Positive Stallions

The ongoing investigation into venereal disease contagious equine metritis (CEM) has now located 21 stallions--one of which is now a gelding--positive for causative organism Taylorella equigenitalis. According to the USDA, the 21 positive stallions were found in seven states: one...

Special Report: Catastrophic Injuries

Following the euthanasia of the filly Eight Belles, who suffered catastrophic injuries to both front legs a quarter-mile after finishing second in the Kentucky Derby, members of every sector of the Thoroughbred industry have banded together to proactively address safety and welfare issues.

The Horse: Your Guide To Equine Health Care is prou...

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