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, 1993

Clostridium botulinum Clostridium botulinum

No abstract available.

Authors

Tonie E. Rocke

Ecosystems Mission Area, National Wildlife Health Center

January 1, 1993

Vitamin E in cranes: Reference ranges and nutrient interactions Vitamin E in cranes: Reference ranges and nutrient interactions

Fat soluble vitamins E and A (quantified as α-tocopherol and all-trans retinol, respectively) were measured in plasma samples from 274 captive cranes from four institutions and five free-ranging birds. Ages ranged from 4 mo to 80 yr, and all 15 crane species were represented. Captive cranes had a mean ± standard error (SE) of 6.57 ± 0.82 μg/ml α-tocopherol; migrating greater sandhill...

Authors

Ellen S. Dierenfeld, C.D. Sheppard, J. Langenberg, C. Mirande, J. Spratt, F. J. Dein

Ecosystems Mission Area, National Wildlife Health Center

January 1, 1993

Diagnostic riddles Diagnostic riddles

A bridled white-eye (Zosterops conspicillata) was captured in a mist net on the island of Saipan and transported to the island of Guam for an experimental study. Beginning on day three, it was immunosuppressed by intramuscular injections of dexamethasone. It was unexpectedly found dead on day 20, at which time it had lost 0.9 g (12.9% of initial body weight). Gross Pathology: Despite the...

Authors

L. Sileo, E.C. Greiner

Ecosystems Mission Area, National Wildlife Health Center

January 1, 1993

Cryopreservation of American kestrel semen with dimethylsulfoxide Cryopreservation of American kestrel semen with dimethylsulfoxide

Semen samples from 15 male American Kestrels (Falco sparverius) were frozen in dimethyl sulfoxide (DMSO). The semen was thawed 1-14 mo later and used to inseminate six females during three breeding seasons. Kestrels inseminated with thawed semen containing 4% DMSO produced only infertile eggs (N = 14). Kestrels inseminated with thawed semen containing 6%, 8%, or 10% DMSO produced fertile...

Authors

G.F. Gee, C.A. Morrell, J. Christian Franson, Oliver H. Pattee

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

October 1, 1992

Estimation of wildlife population ratios incorporating survey design and visibility bias Estimation of wildlife population ratios incorporating survey design and visibility bias

Age and sex ratio statistics are often a key component of the evaluation and management of wildlife populations. These statistics are determined from counts of animals that are commonly plagued by errors associated with either survey design or visibility bias. We present age and sex ratio estimators that incorporate both these sources of error and include the typical situation that...

Authors

Michael D. Samuel, R. Kirk Steinhorst, Edward O. Garton, James W. Unsworth

Ecosystems Mission Area, National Wildlife Health Center

February 28, 1992

Quarterly Wildlife Mortality Report April 1992- June1992 Quarterly Wildlife Mortality Report April 1992- June1992

No abstract available.

Authors

G. Kidd

Ecosystems Mission Area, National Wildlife Health Center

January 1, 1992

Influence of disease on a population model of mid-continent mallards Influence of disease on a population model of mid-continent mallards

No abstract available.

Authors

Michael D. Samuel

Ecosystems Mission Area, National Wildlife Health Center

January 1, 1992

Prevalence of lead exposure among age and sex cohorts of Canada geese Prevalence of lead exposure among age and sex cohorts of Canada geese

We examined the prevalence of lead exposure from ingestion of waste lead shot among age and sex cohorts of Canada geese (Branta canadensis) on the breeding, migration, and wintering grounds of the Eastern Prairie Population. Blood samples from 6963 geese were assayed for lead concentration by atomic absorption spectrophotometry. On the breeding grounds, no goslings and

Authors

S. DeStefano, C. J. Brand, D. H. Rusch

Ecosystems Mission Area, National Wildlife Health Center

January 1, 1992

Lead poisoning of avian species other than waterfowl Lead poisoning of avian species other than waterfowl

No abstract available.

Authors

Louis N. Locke, Milton Friend

Ecosystems Mission Area, National Wildlife Health Center

January 1, 1992

Tuberculosis: Will it infect wild elk? Tuberculosis: Will it infect wild elk?

Tuberculosis! Just the name conjures up images of a devastating, chronic, debilitating disease. And so it is in both humans and animals. Tuberculosis (TB) is not known to be present to any significant degree in the free-ranging elk herds of North America. But increasing reports of TB in deer species-including elk-on game ranches prompt grave concern.

Authors

T.J. Roffe, B. Smith

Ecosystems Mission Area, National Wildlife Health Center

January 1, 1992