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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April 1, 1994

Some questions and answers to the mystery of sick owl syndrome Some questions and answers to the mystery of sick owl syndrome

No abstract available.

Authors

Thierry M. Work

Ecosystems Mission Area, National Wildlife Health Center

January 1, 1994

Evaluation of Canada goose sterilization for population control Evaluation of Canada goose sterilization for population control

We evaluated the vasectomy of 72 male Canada geese as a method to control growing populations of nuisance geese in Westchester County, New York. Thirty-three of the vasectomized males paired with a female and were located during ≥1 breeding seasons; 7 treated males were not seen following surgery. The remaining 32 males were never observed paired with a female during the breeding season...

Authors

Kathryn A. Converse, James J. Kennelly

Ecosystems Mission Area, National Wildlife Health Center

January 1, 1994

Ecological impact assessment Ecological impact assessment

No abstract available.

Authors

Joe Truett, Henry L. Short, Samuel C. Williamson

Ecosystems Mission Area, National Wildlife Health Center, Office of Science Quality and Integrity

January 1, 1994

Evaluation of causes of wildlife mortality Evaluation of causes of wildlife mortality

No abstract available.

Authors

Thomas J. Roffe, Milton Friend, Louis N. Locke

Ecosystems Mission Area, National Wildlife Health Center

January 1, 1994

Guidelines for proper care and use of wildlife in field research Guidelines for proper care and use of wildlife in field research

No abstract available.

Authors

Milton Friend, D. E. Toweill, Robert L. Brownell, V. F. Nettles, Donald Davis, William J. Foreyt

Ecosystems Mission Area, National Wildlife Health Center

January 1, 1994

Coccidioidomycosis in southern sea otters Coccidioidomycosis in southern sea otters

Disseminated coccidioidomycosis was diagnosed postmortem in six southern sea otters (Enhydra lutris nereis) found dying or dead along the Pacific Coast of California at San Luis Obispo County. These otters were found during winter or summer 1992, 1993, and 1994. Coccidioides immitis was identified by its morphology in tissue impression smears and by histopathology, and was confirmed by...

Authors

Nancy J. Thomas, Demosthenes Pappagianis, Lynn H. Creekmore, Ruth M. Duncan

Ecosystems Mission Area, National Wildlife Health Center

January 1, 1994

Quarterly Wildlife Mortality Report October 1993- December 1993 Quarterly Wildlife Mortality Report October 1993- December 1993

No abstract available.

Authors

G. Kidd

Ecosystems Mission Area, National Wildlife Health Center

January 1, 1994

Quarterly Wildlife Mortality Report January 1994- March 1994 Quarterly Wildlife Mortality Report January 1994- March 1994

No abstract available.

Authors

G. Kidd

Ecosystems Mission Area, National Wildlife Health Center

January 1, 1994

Avian leucocyte counting using the hemocytometer Avian leucocyte counting using the hemocytometer

Automated methods for counting leucocytes in avian blood are not available because of the presence of nucleated erythrocytes and thrombocytes. Therefore, total white blood cell counts are performed by hand using a hemocytometer. The Natt and Herrick and the Unopette methods are the most common stain and diluent preparations for this procedure. Replicate hemocytometer counts using these...

Authors

F. J. Dein, A. Wilson, D. Fischer, P. Langenberg

Ecosystems Mission Area, National Wildlife Health Center

January 1, 1994

Use of sentinel mallards for epizootiologic studies of avian botulism Use of sentinel mallards for epizootiologic studies of avian botulism

Captive-reared mallards (Anas platyrhynchos) were used as sentinels to study the epizootiology of avian botulism at the Sacramento National Wildlife Refuge, Willows, California (USA) from 1986 to 1989. Sentinel mallards were wing-clipped, and 40 to 50 birds were confined in 1.6-ha enclosures in 11 selected wetlands (pools). Enclosures were searched intensively three to four times weekly...

Authors

Tonie E. Rocke, C. J. Brand

Ecosystems Mission Area, National Wildlife Health Center

January 1, 1994

Erysipelothrix rhusiopathiae infection in a captive bald eagle (Haliaeetus leucocephalus) Erysipelothrix rhusiopathiae infection in a captive bald eagle (Haliaeetus leucocephalus)

An adult bald eagle (Haliaeetus leucocephalus) kept in captivity for nearly 7 yr at the Patuxent Wildlife Research Center, Laurel, Maryland, died suddenly with gross and microscopic lesions characteristic of septicemia. Erysipelothrix rhusiopathiae was isolated from the liver. Fish comprised part of the bird's diet and may have been the source of the organism.

Authors

J. Christian Franson, Elizabeth J. Galbreath, Stanley N. Wiemeyer, John M. Abell

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

January 1, 1994

Prevalence of eustrongylidosis in wading birds from colonies in California, Texas, and Rhode Island, USA Prevalence of eustrongylidosis in wading birds from colonies in California, Texas, and Rhode Island, USA

Snowy Egret (Egretta thula) and Black-crowned Night-Heron (Nycticorax nycticorax) nestlings from colonies in Texas, Rhode Island, and California and Great Egret (Casmerodius albus) nestlings from Texas were examined for eustrongylidosis, or infection by the parasitic nematode Eustrongylides spp. In 31% (24/77) of all broods examined, at least one nestling was infected. Snowy Egret broods...

Authors

J. C. Franson, T. W. Custer

Ecosystems Mission Area, Eastern Ecological Science Center, Upper Midwest Environmental Sciences Center, National Wildlife Health Center