Bluetongue - Catarrhal fever of sheep, 1954

Color - Sound - 16 mm - 00:09:00 Describes the history and shows the symptoms, lesions, and pathology characteristics of blue tongue, catarrhal fever of sheep. Describes the epizootiology, including insect transmission, hosts, communicability, and means of prevention and control. Useful in providing visual information to the veterinarian and student on this hitherto foreign disease, now known to be established in this country. (in collaboration w/ Office of Civil Defense and California Dept. of Agr.)