what is ehd in deer

what is ehd in deer

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Epizootic Hemorrhagic Disease (EHD) is a viral disease that affects white-tailed deer and is transmitted by biting midges (Culicoides spp.) . The disease is not spread directly from deer to deer, and humans cannot be infected by contact with deer or bites from midges. EHD outbreaks are most common in the late summer and early fall when the midges are abundant. The symptoms of EHD in deer include fever, small hemorrhages or bruises in the mouth and nose, and swelling of the head, neck, tongue, and lips. A deer infected with EHD may appear lame or dehydrated, and once infected, deer will begin to show signs 2 - 10 days later and usually die within 36 hours of showing signs of infection. Frequently, infected deer will seek out water sources, and carcasses are often found in or near water. Deer dead from EHD infection seem to bloat and decompose rapidly, and a large number of dead or sick deer may be found in a limited area. There is no treatment or means of prevention for EHD, and while EHD outbreaks can remove a number of deer from a local population, they do not typically have a significant impact on the statewide deer population.

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