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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

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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

Lesser black-backed gull

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

Filter Total Items: 1651

Characterization of a herpes virus isolated from domestic geese in Australia Characterization of a herpes virus isolated from domestic geese in Australia

A herpesvirus (GHV 552/89) associated with high mortality in a flock of domestic geese in Australia was compared with duck virus enteritis (DVE) herpesvirus by cross-protection studies in domestic geese, Muscovy ducks and commercial Pekin ducks. In DVE-vaccinated geese, Muscovy ducks and Pekin ducks, mortality levels of 100, 50 and 0%, respectively, were recorded following challenge with...
Authors
R. Gough, W. Hansen
By
Ecosystems Mission Area, National Wildlife Health Center

Biological and molecular characterizations of Toxoplasma gondii strains obtained from Southern sea otters (Enhydra lutris nereis) Biological and molecular characterizations of Toxoplasma gondii strains obtained from Southern sea otters (Enhydra lutris nereis)

Toxoplasma gondii was isolated from brain or heart tissue from 15 southern sea otters (Enhydra lutris nereis) in cell cultures. These strains were used to infect mice that developed antibodies to T. gondii as detected in the modified direct agglutination test and had T. gondii tissue cysts in their brains at necropsy. Mouse brains containing tissue cysts from 4 of the strains were fed to...
Authors
Rebecca Cole, D. Lindsay, D. K. Howe, Constance L. Roderick, J. P. Dubey, N. J. Thomas, L. A. Baeten
By
Ecosystems Mission Area, National Wildlife Health Center

Avian toxicologic diagnosis Avian toxicologic diagnosis

This chapter describes the sources and pathophysiology of some potential poisons that affect birds and summarizes useful laboratory tests. The diagnosis of poisoning in birds, as in mammals, requires a complete and accurate history, careful observation of clinical signs, and a thorough necropsy evaluation. Appropriate sample handling and analysis, based on consultation with the...
Authors
C.J. Sigurdson, J. Franson
By
Ecosystems Mission Area, National Wildlife Health Center

Pathogenicity of avian malaria in experimentally-infected Hawaii Amakihi Pathogenicity of avian malaria in experimentally-infected Hawaii Amakihi

The introduction of avian malaria (Plasmodium relictum) and mosquitoes (Culex quinquefasciatus) to the Hawaiian Islands (USA) is believed to have played a major role in the decline and extinction of native Hawaiian honeycreepers (Drepanidinae). This introduced disease is thought to be one of the primary factors limiting recovery of honeycreepers at elevations below 1,200 m where native...
Authors
Carter Atkinson, Robert J. Dusek, K.L. Woods, W.M. Iko
By
Ecosystems Mission Area, National Wildlife Health Center

National Wildlife Health Center's Quarterly Mortality Report National Wildlife Health Center's Quarterly Mortality Report

No abstract available.
Authors
K. Converse, Kimberli Miller, L. Glaser, T. Creekmore, A. Schrader
By
Ecosystems Mission Area, National Wildlife Health Center

Infectious bursal disease virus antibodies in eider ducks and Herring Gulls Infectious bursal disease virus antibodies in eider ducks and Herring Gulls

We measured antibodies to infectious bursal disease virus (IBDV) in blood of nesting Common Eider (Somateria mollissima) females and immature Herring Gulls (Larus argentatus) in the Baltic Sea, and in blood of Spectacled Eider (Somateria fischeri) females nesting in a remote area of western Alaska. Positive (≥ 1:16) IBDV titers occurred in 75% of the eiders and 45% of the Herring Gull...
Authors
T. Hollmen, J. Franson, Douglas E. Docherty, Mikael Kilpi, Martti Hario, Lynn H. Creekmore, Margaret Petersen
By
Ecosystems Mission Area, National Wildlife Health Center

Defining anural malformations in the context of a developmental problem Defining anural malformations in the context of a developmental problem

This paper summarizes terminology and general concepts involved in animal development for the purpose of providing background for the study and understanding of frog malformations. The results of our radiographic investigation of rear limb malformations in Rana pipiens provide evidence that frog malformations are the product of early developmental errors. Although bacteria, parasites and...
Authors
C.U. Meteyer, Rebecca Cole, K. Converse, D. Docherty, M. Wolcott, J.C. Helgen, R. Levey, L. Eaton-Poole, J.G. Burkhart
By
Ecosystems Mission Area, National Wildlife Health Center

National Wildlife Health Center's Quarterly Mortality Report National Wildlife Health Center's Quarterly Mortality Report

No abstract available.
Authors
K. Converse, T. Creekmore
By
Ecosystems Mission Area, National Wildlife Health Center

Selected trace elements and organochlorines: some findings in blood and eggs of nesting common eiders (Somateria mollissima) from Finland Selected trace elements and organochlorines: some findings in blood and eggs of nesting common eiders (Somateria mollissima) from Finland

In 1997 and 1998, we collected blood samples from nesting adult female common eiders (Somateria mollissima) at five locations in the Baltic Sea near coastal Finland and analyzed them for lead, selenium, mercury, and arsenic. Eggs were collected from three locations in 1997 for analysis of selenium, mercury, arsenic, and 17 organochlorines (OCs). Mean blood lead concentrations varied by...
Authors
J. Christian Franson, Tuula Hollmen, Robert Poppenga, Martti Hario, Mikael Kilpi, Milton Smith
By
Ecosystems Mission Area, National Wildlife Health Center

Efficacy of a type C botulism vaccine in green-winged teal Efficacy of a type C botulism vaccine in green-winged teal

We tested the efficacy of a single dose of Botumink toxoid for protecting wild green-winged teal (Anas crecca) during botulism epizootics caused by Clostridium botulinum type C. We challenged control and immunized ducks with four different doses of type C botulinum toxin to determine the LD50 for this species and to evaluate vaccine protection. Fewer immunized ducks were affected with...
Authors
Tonie E. Rocke, M.D. Samuel, P. Swift, G.S. Yarris
By
Ecosystems Mission Area, National Wildlife Health Center

Geothermal elements in lichens of Yellowstone National Park, USA Geothermal elements in lichens of Yellowstone National Park, USA

Geothermal features (e.g. geysers, fumaroles, vents, and springs) emit gaseous mercury, sulfur and heavy metals and therefore, are natural sources of these elements in the atmosphere. Field studies of heavy metals in lichens in Italy have detected elevated concentrations near geothermal power plants, and have determined that the origin of mercury is from soil degassing, not soil...
Authors
James Bennett, C. Wetmore
By
Ecosystems Mission Area, National Wildlife Health Center

Science support for restoration of the Salton Sea. Recommendations of the USGS Tiger Team to the Salton Sea Science Subcommittee Science support for restoration of the Salton Sea. Recommendations of the USGS Tiger Team to the Salton Sea Science Subcommittee

No abstract available at this time
Authors
Frank Shipley, Douglas Barnum, G.F. Black, William I. Boarman, Walter Duffy, Michael Mac, David M. Miller, Tonie Rocke, Roy Schroeder, R.G. Thiery
By
Ecosystems Mission Area, National Wildlife Health Center, Western Ecological Research Center (WERC), Salton Sea
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