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What are common diseases that affect Texas deer?

April 5, 2026

Quick Answer

Texas deer are commonly affected by diseases such as Chronic Wasting Disease (CWD), Epizootic Hemorrhagic Disease (EHD), and Meningeal Worm (Parelaphostrongylus tenuis). These diseases can have significant impacts on deer populations and may be influenced by factors like climate, habitat, and management practices.

Chronic Wasting Disease (CWD)

Chronic Wasting Disease (CWD) is a major concern for Texas deer. This fatal neurological disorder is caused by a misfolded protein, or prion. CWD has been detected in several Texas counties and is typically found in deer that are 1-3 years old. Hunters play a crucial role in monitoring and reporting CWD in the state’s deer population. It is essential to follow proper deer handling and disposal procedures to prevent the spread of CWD.

Other Deer Diseases

Other significant diseases affecting Texas deer include Epizootic Hemorrhagic Disease (EHD) and Meningeal Worm (Parelaphostrongylus tenuis). EHD is a viral disease spread by biting midges, which can cause significant mortality in deer populations, especially in areas with high humidity and dense vegetation. Meningeal worm, on the other hand, is a parasitic disease that affects deer and other cervids. It is essential to monitor deer for signs of disease, such as labored breathing, lethargy, and loss of coordination, and to take prompt action if disease is suspected.

Management and Prevention

To prevent the spread of diseases in Texas deer, it is essential to follow proper hunting and handling practices. This includes wearing gloves when handling deer, avoiding contact with potentially infected animals, and properly disposing of carcasses. Additionally, hunters should report any deer that appear to be sick or dying to the Texas Parks and Wildlife Department. By working together, hunters, wildlife biologists, and landowners can help mitigate the impacts of disease on Texas deer populations and maintain healthy, sustainable deer herds.

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