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Case definitions provide a standardized, science-based set of criteria for diagnosing disease and pathogens. This manual provides case definitions for selected diseases of importance to wildlife in Canada and the United States.

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January 1, 1988

An outbreak of type E botulism among common loons (Gavia immer) in Michigan's Upper Peninsula An outbreak of type E botulism among common loons (Gavia immer) in Michigan's Upper Peninsula

An epizootic of type E botulism (Clostridium botulinum) occurred among common loons (Gavia immer) along the Lake Michigan shore of Michigan's Upper Peninsula (USA) during October and November 1983. An estimated 592 dead loons washed ashore along the Garden Peninsula. Type E botulinal toxin was demonstrated in blood samples and stomach contents of dead loons, and in samples of three...

Authors

Christopher J. Brand, Stephen Schmitt, Ruth M. Duncan, Thomas M. Cooley

Ecosystems Mission Area, National Wildlife Health Center

January 1, 1988

Characterization of an avian cholera epizootic in wild birds in western Nebraska Characterization of an avian cholera epizootic in wild birds in western Nebraska

Avian cholera killed an estimated 2500 birds in western Nebraska and eastern Wyoming from 28 November 1985 to late January 1986. Wild mallards (Anas platyrhynchos) suffered the most losses. Other wild waterfowl, wild turkeys (Meleagris gallopavo), a few domestic fowl, and a bald eagle (Haliaeetus leucocephalus) also died. Pasteurella multocida serotype 1 was the predominant isolate from...

Authors

R. M. Windingstad, S.M. Kerr, R. M. Duncan, C. J. Brand

Ecosystems Mission Area, National Wildlife Health Center

January 1, 1988

Quarterly Wildlife Mortality Report July 1987- September 1987 Quarterly Wildlife Mortality Report July 1987- September 1987

No abstract available.

Authors

K. A. Converse, R. Windingstad, J. C. Franson, T. Roffe

Ecosystems Mission Area, National Wildlife Health Center

January 1, 1988

Use of muscovy duck embryo fibroblasts for the isolation of viruses from wild birds Use of muscovy duck embryo fibroblasts for the isolation of viruses from wild birds

Techniques are described for the preparation, cryopreservation, and inoculation of Muscovy duck embryo cell cultures. The procedure yields a susceptible reproducible cell culture system for the isolation and cultivation of viruses from wild birds.

Authors

D. E. Docherty, Paul G. Slota

Ecosystems Mission Area, National Wildlife Health Center

January 1, 1988

Hematozoan parasites of Rio Grande wild turkeys from southern Texas (USA) Hematozoan parasites of Rio Grande wild turkeys from southern Texas (USA)

One hundred twenty-three of 300 blood samples (41%) taken from Rio Grande wild turkeys (Meleagris gallopavo intermedia) from three locations in southern Texas (Welder Wildlife Refuge, Chaparrosa Ranch, and Campo Alegre Ranch) and subinoculated into domestic broad-breasted white turkey poults were positive for a Plasmodium (Novyella) sp. Analysis of blood films from 350 turkeys revealed

Authors

Marc D. Castle, Beth A. Christensen, Tonie E. Rocke

Ecosystems Mission Area, National Wildlife Health Center

January 1, 1988

Septicemic pasteurellosis in elk (Cervus elaphus) on the United States National Elk Refuge, Wyoming Septicemic pasteurellosis in elk (Cervus elaphus) on the United States National Elk Refuge, Wyoming

Septicemic pasteurellosis caused by Pasteurella multocida is believed responsible for the deaths of 48 elk (Cervus elaphus) on the National Elk Refuge near Jackson, Wyoming (USA) during 1986 and 1987. Clinical signs included depression and salivation; necropsy findings included congestion and petechial and ecchymotic hemorrhages in lymph nodes, diaphragm, lungs and endocardium...

Authors

J. C. Franson, B.L. Smith

Ecosystems Mission Area, National Wildlife Health Center

January 1, 1988

A survey of the prevalence of selected bacteria in wild birds A survey of the prevalence of selected bacteria in wild birds

We determined the prevalence of six genera of bacteria from a sample of 387 cloacal swabs from 364 passerines and woodpeckers. The prevalence of bacteria were as follows: Escherichia coli (1%), Pseudomonas spp. (22%), Salmonella spp. (0%), Staphylococcus spp. (15%), Streptococcus spp. (18%), and Yersinia spp. (1%). The prevalence of Streptococcus spp. was higher in omnivorous species...

Authors

M.C. Brittingham, S.A. Temple, R. M. Duncan

Ecosystems Mission Area, National Wildlife Health Center

January 1, 1988

[Book review] Avian botulism: an international perspective [Book review] Avian botulism: an international perspective

Review of: Avian botulism: an international perspective. Melvin W. Eklund. 1987. Charles C Thomas Pub Ltd. ISBN: 0398053111.

Authors

M. Friend

Ecosystems Mission Area, National Wildlife Health Center

January 1, 1988

Quarterly Wildlife Mortality Report October 1987- December 1987, January 1988- March 1988 Quarterly Wildlife Mortality Report October 1987- December 1987, January 1988- March 1988

No abstract available.

Authors

K. A. Converse, R. Windingstad, Karen Roertgen, T. Roffe

Ecosystems Mission Area, National Wildlife Health Center

January 1, 1988

Lead poisoning in six captive avian species Lead poisoning in six captive avian species

Red-winged blackbirds (Agelaius phoeniceus), brown-headed cowbirds (Molothrus ater), common grackles (Quiscalus quiscula), mallards (Anas platyrhynchos), northern bobwhites (Colinus virginianus), and eastern screech-owls (Otus asio) were poisoned with a concentration of lead (Pb) acetate in the diet which was increased by 60% each week until half of the birds in each treatment group died

Authors

W. Nelson Beyer, James W. Spann, Louis Sileo, J. Christian Franson

Ecosystems Mission Area, Eastern Ecological Science Center, National Wildlife Health Center

January 1, 1988