On the 1st of a 2 part series, Brock sits down with Dr. Mark Ruder.  Mark specializes in free-ranging wildlife population health, with an emphasis in pathology.  On this episode they talk about vertical transmission of CWD, the caveats of CWD testing with RT-Quic, defining hemorrhagic disease (HD), it's effects on an animal, immunity, genetics, the culicoides and different strains of HD, and livestock.