Now there is finally a way to prevent EHD in deer. Aquatic biologist Zach Haas explains how he developed EHD-fense, a water treatment kit that keeps water healthy, so the midge that spreads EHD cannot live there.

Now there is finally a way to prevent EHD in deer. Aquatic biologist Zach Haas explains how he developed EHD-fense, a water treatment kit that keeps water healthy, so the midge that spreads EHD cannot live there.