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Photo file (credit: CBS)
BROOMFIELD, Colo. (CBS4) – The Colorado Department of Agriculture said Friday that 240 horses had been exposed to a horse from County Weld, which had tested positive for equine infectious anemia.
The CDA's veterinary office opened an investigation when the second positive result of the welding horse was received on August 28th. He also quarantined the County of Weld property.
On Friday, the department reported that another 240 horses were on the scene at the same time as the tested positive animal.
"About 100 of these horses have been sent to 20 other states in the country and steps are being taken to locate, quarantine and reevaluate these horses," CDA said in a press release. "At this time, no other horse has been tested positive at EIA."
Although rare, EIA cases have been found virtually worldwide. It affects only horses, donkeys and mules and is usually transmitted by stinging insects such as horse flies and deer flies.
Fever, lack of appetite, mucosal bleeding, stained stools of blood and weight loss are evident in the days following the infection. Horses with acute symptoms can die within 2-3 weeks.
Worse still, the infected animals remain carriers of the disease for life.
Equine infectious anemia is a disease for which horses must be tested every year before they can be transported across borders.
In 2001, 534 cases of the disease were reported nationally, including over 100 in Texas.
The number of cases reported each year has declined steadily on average since then. Eighty horses were tested positive in 2017 all over the country.
Colorado reported 14 cases in 2004 and six last year.
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