Equine Infectious Disease Update
نویسنده
چکیده
One of the newer discoveries in equine acute gastrointestinal disorders has been the increase in reports of coronavirus disease in horses. (Costa et al. 2012) Risk factors, duration of fecal shedding (there is nasal shedding in <50% of cases), and methods of spread are still unknown. What is apparent is that adult horses are commonly affected in many areas of the United States. Anorexia, fever, and leukopenia are pronounced. Colic and diarrhea are sporadic. Although there are isolated cases on a farm, outbreaks are common. Diagnosis is by clinical signs and PCR testing of feces. This beta-coronavirus has at least two different strains both of which are detected by the currently available PCR. Serologic testing has been performed on herd outbreaks. Treatment is mostly supportive fluids, antipyretics that have low intestinal toxicity, gastric protectants, etc. for those with diarrhea. Mortality is low but 3 to 5 days may lapse before the horses begin to eat. On rare occasion, an infected horse with diarrhea may die of fatal neurologic signs (primary enteric hyperammonemia).
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تاریخ انتشار 2015