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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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January 1, 2007

Translocation and disease monitoring of wild laysan ducks

The Laysan duck (Anas laysanensis), also known as the Laysan teal because of its small size, is a critically endangered waterfowl species that once occurred widely across the Hawaiian Archipelago. For the past 150 years, however, it was restricted to a single population on Laysan, a 4-square-kilometer (1.5-square-mile) island with a hypersaline shallow lake. Laysan is part of the Hawaiian Islands

Authors

Michelle H. Reynolds, Thierry M. Work

Ecosystems Mission Area, National Wildlife Health Center

December 1, 2006

A review of methods to estimate cause-specific mortality in presence of competing risks

Estimating cause-specific mortality is often of central importance for understanding the dynamics of wildlife populations. Despite such importance, methodology for estimating and analyzing cause-specific mortality has received little attention in wildlife ecology during the past 20 years. The issue of analyzing cause-specific, mutually exclusive events in time is not unique to wildlife. In fact, t

Authors

Dennis M. Heisey, Brent R. Patterson

Ecosystems Mission Area, National Wildlife Health Center

November 29, 2006

Tularemia

No abstract available.

Authors

Milton Friend

Ecosystems Mission Area, National Wildlife Health Center

August 1, 2006

Autoinducer 2: a concentration-dependent signal for mutualistic bacterial biofilm growth

4,5-dihydroxy-2,3-pentanedione (DPD), a product of the LuxS enzyme in the catabolism of S-ribosylhomocysteine, spontaneously cyclizes to form autoinducer 2 (AI-2). AI-2 is proposed to be a universal signal molecule mediating interspecies communication among bacteria. We show that mutualistic and abundant biofilm growth in flowing saliva of two human oral commensal bacteria, Actinomyces naeslundii

Authors

A.H. Rickard, R.J. Palmer, David S. Blehert, S.R. Campagna, M.F. Semmelhack, P.G. Egland, B.L. Bassler, P.E. Kolenbrander

Ecosystems Mission Area, National Wildlife Health Center

January 1, 2006

Chronic wasting disease infection patterns in female white-tailed deer related to demographics, genetic relationships, and spatial proximity of infected deer in southern Wisconsin

Chronic wasting disease (CWD) is a fatal disease of white-tailed deer (Odocoileus virginianus) caused by transmissible protease resistant prions. Since the discovery of CWD in southern Wisconsin in 2001, more than 20,000 deer have been removed from a >2,500 km2 disease eradication zone surrounding the three initial cases. Nearly all deer removed were tested for CWD infection and sex, age, and harv

Authors

Daniel A. Grear

Ecosystems Mission Area, National Wildlife Health Center

January 1, 2006

Highly Pathogenic Avian Influenza Early Detection Data System (HEDDS)

HEDDS offers a unique opportunity for multiagency cooperation for data sharing and visualization.

Authors

Robert Worrest, F. Joshua Dein

Core Science Systems Mission Area, Ecosystems Mission Area, National Wildlife Health Center

January 1, 2006

Molecular phylogeny of Babesia poelea from brown boobies (Sula leucogaster) from Johnston Atoll, Central Pacific

The phylogenetic relationship of avian Babesia with other piroplasms remains unclear, mainly because of a lack of objective criteria such as molecular phylogenetics. In this study, our objective was to sequence the entire 18S, ITS-1, 5.8S, and ITS-2 regions of the rRNA gene and partial ß-tubulin gene of B. poelea, first described from brown boobies (Sula leucogaster) from the central Pacific, and

Authors

Michael J. Yabsley, Thierry M. Work, Robert A. Rameyer

Ecosystems Mission Area, National Wildlife Health Center

January 1, 2006

Vaccination as a potential means to prevent plague in black-footed ferrets: Progress and continuing challenges

This study was conducted to further assess the feasibility of vaccinating black-footed ferrets (Mustela nigripes) against plague (caused by the bacterium Yersinia pestis). On days 0 and 28, 17 postreproductive ferrets were immunized by subcutaneous injection with a recombinant fusion protein containing F1 and V antigens from Y. pestis. Another 17 animals received a placebo by the same route. Two w

Authors

Tonie E. Rocke, Pauline Nol, Paul E. Marinari, J.S. Kreeger, Susan R. Smith, G.P. Andrews, A.W. Friedlander

Ecosystems Mission Area, National Wildlife Health Center, Fort Collins Science Center

January 1, 2006