Epizootic of Hemorrhagic Disease in North Dakota Deer

摘要: Extensive mortality was observed among white-tailed deer (Odocoileus virginianus), but not mule (0. hemionus), in south-western North Dakota during the autumns of 1970 and 1971. It estimated that at least 2,000 died outbreak. The virus epizootic hemorrhagic disease (EHD) isolated from a dead considered to be etiologic agent responsible for Neutralizing antibodies EHD were detected only outbreak area. While significantly higher percentage (P 0.05) possessed neutralizing antibodies, there no differences by age or sex deer. is discussed relation known epizootiology EHD. J. WILDL. MANAGE. 37(3):331-335 Beginning late July early August lasting until first week November, an ravaged herds western Dakota. Geographically, area involved included Little Missouri River drainage headwaters streams east it as well parts lower Yellowstone border are Within this area, 195 carcasses discovered represents more than 10 percent which succumbed. Additionally, one sick few pronghorn antelope (Antilocapra americana) also found. infectious bovine rhinotracheitis (IBR) any (Richards 1972). During summer 1971 additional experienced within magnitude far less epizootic. Most these losses occurred individual had probably been 1970. die-offs same experi nced extensive 1962 (Fig. 1) 1963, 1964). Tissue serum samples collected recently submitted Department Veterinary Science University Wisconsin, Madison, isolation studies. Also hunter killed tested closely related bluetongue (BT). This report concerns results MATERIALS AND METHODS four found attempts. First, attempt made reproduce 5-month old male liver, lung, spleen yearling buck Billings County 1 hour after death inoculated intravenously into ex1 Research funded Project W-67-R, Federal Aid Wildlife Restoration Program. 2 Present address: Public Health Section, Florida Division Health, P.O. Box 210, Jacksonville, 32201. 3 Dean, College Natural Resources, Stevens Point, 54481. Wildl. Manage. 37 (3):1973 331 content downloaded 207.46.13.126 on Sat, 24 Sep 2016 04:50:42 UTC All use subject http://about.jstor.org/terms 332 HEMORRHAGIC DISEASE IN DEER * Hoff et al. 4 6 7 13 11 12 14 15 16 17 19 21 22 b V A 29 3D 32 CAMT.1)II I LlIn w ln Ia ? ~ In Il r NES III L?lr II )1 L?r I) ?L ll ) CWAN 31 .1-L n ?I L C1 ???I 1I 111 1? . LI l ?? I? U -1 CY LIl In~??n ?~I rl Irr u ?A