Publications

View citations of publications by National Wildlife Health Center scientists since our founding in 1975. Access to full-text is provided where possible.

Wildlife Health Bulletins

Wildlife Health Bulletins are distributed to natural resource/conservation agencies to provide and promote information exchange about significant wildlife health threats.

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Wildlife Disease Case Definitions

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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Additional Resources

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January 1, 1990

Disease control: Rx for ailing waterfowl Disease control: Rx for ailing waterfowl

No abstract available.

Authors

K.E. Roertgen, R. M. Windingstad

Ecosystems Mission Area, National Wildlife Health Center

January 1, 1990

Blood lead concentrations in mallards from Delevan and Colusa National Wildlife Refuges Blood lead concentrations in mallards from Delevan and Colusa National Wildlife Refuges

Blood samples were taken from 181 (108 adult drakes and 73 individuals of mixed age and sex) mallards, Anas platyrhynchos, from Colusa and Delevan National Wildlife Refuges during late winter and summer of 1987. The percentage of birds with elevated lead concentration was 28.7 for late winter and 16.4 for late summer. For summer trapped birds, a significantly greater proportion of males...

Authors

David M. Mauser, Tonie E. Rocke, John G. Mensik, Christopher J. Brand

Ecosystems Mission Area, National Wildlife Health Center

December 31, 1989

Botulism in waterfowl Botulism in waterfowl

No abstract available.

Authors

Constance Roderick

Ecosystems Mission Area, National Wildlife Health Center

December 1, 1989

Disease-related aspects of conserving the endangered Hawaiian Crow Disease-related aspects of conserving the endangered Hawaiian Crow

No abstract available.

Authors

C. David Jenkins, Stanley A. Temple, Charles van Riper, Wallace R. Hansen

Ecosystems Mission Area, National Wildlife Health Center

May 1, 1989

Solitary cases of duck plague in migratory waterfowl: Evidence of a problem? Solitary cases of duck plague in migratory waterfowl: Evidence of a problem?

No abstract available.

Authors

Douglas E. Docherty, Christopher J. Brand

Ecosystems Mission Area, National Wildlife Health Center

January 1, 1989

Avian cholera: a major new cause of waterfowl mortality Avian cholera: a major new cause of waterfowl mortality

No abstract available.

Authors

Milton Friend

Ecosystems Mission Area, National Wildlife Health Center

January 1, 1989

Lead poisoning: The invisible disease Lead poisoning: The invisible disease

Lead poisoning is an intoxication resulting from absorption of hazardous levels of lead into body tissues. Lead pellets from shot shells, when ingested, are the most common source of lead poisoning in migratory birds. Other far less common sources include lead fishing sinkers, mine wastes, paint pigments, bullets, and other lead objects that are swallowed.

Authors

Milton Friend

Ecosystems Mission Area, National Wildlife Health Center

January 1, 1989

Suspected fusariomycotoxicosis in sandhill cranes (Grus canadensis): clinical and pathological findings. Suspected fusariomycotoxicosis in sandhill cranes (Grus canadensis): clinical and pathological findings.

In 1985 and 1986, large-scale natural die-offs of sandhill cranes in Texas were attributed to fusariomycotoxicosis. These birds demonstrated a progressive loss of motor control to the neck, wings, and legs. Based on necropsy and/or histopathology of 31 cranes, the most common lesions involved skeletal muscle and included hemorrhages, granulomatous myositis, thrombosis, and vascular...

Authors

Thomas J. Roffe, Richard K. Stroud, Ronald M. Windingstad

Ecosystems Mission Area, National Wildlife Health Center

January 1, 1989

Isolation of Mycobacterium avium from waterfowl with polycystic livers Isolation of Mycobacterium avium from waterfowl with polycystic livers

An unusual gross appearance of avian tuberculosis, where fluid-filled thin-walled cysts are produced and grossly apparent in preference to granulomas, is presented. Histopathology confirmed the granulomatous nature of the lesions and the presence of intracellular acid-fast organisms. Mycobacterium avium complex was cultured from affected organs. The unusual gross presentation in these...

Authors

Thomas J. Roffe

Ecosystems Mission Area, National Wildlife Health Center

January 1, 1989

Sightability adjustment methods for aerial surveys of wildlife populations Sightability adjustment methods for aerial surveys of wildlife populations

Aerial surveys are routinely conducted to estimate the abundance of wildlife species and the rate of population change. However, sightability of animal groups is acknowledged as a significant source of bias in these estimates. Recent research has focused on the development of sightability models to predict the probability of sighting groups under various conditions. Given such models, we...

Authors

R.K. Steinhorst, M.D. Samuel

Ecosystems Mission Area, National Wildlife Health Center

January 1, 1989