Robert A. Dieterich

Learn More
In 1976 and 1977, a disease resembling contagious ecthyma was seen in captive musk-oxen (Ovibos moschatus) in Alaska. A similar disease occurred in 1977 in captive Dall sheep (Ovis dalli). Paravaccinia viruses were detected by electron microscopy and isolated in cell cultures from both species. Experimental inoculation in susceptible and immune domestic(More)
Twenty-nine (64.4%) or 45 reindeer, Rangifer tarandus, examined over a two-year period were infected with trypanosomes. Trypomastigotes and dividing epimastigotes were found in the blood of fawns, cows, and bulls. Morphometric analysis of bloodstream trypomastigotes from reindeer and comparison of these parasites with similar stages of trypanosomes from(More)
A moose (Alces alces gigas) was inoculated with Brucella suis biovar 4 to better understand the effects of brucellosis in this species. Serum antibody titers increased rapidly and peaked within 21 to 56 days. Fever, leukocytosis, recumbency, anorexia and depression were observed starting 42 days post inoculation. Brucella suis biovar 4 was isolated from(More)
Data on reproduction and production were presented for laboratory colonies of Microtus pennsylvanicus tananaensis, M oeconomus macfarlani, M o operarius, M mirurus, M abbreviatus, Lemmus lemmus, L sibiricus trimucronatus, Dicrostonyx stevensoni, Clethrionomys rutilus, Peromyscus maniculatus borealis, P m bairdii, Baiomys taylori, Calomys ducilla, C(More)