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This chapter contains section titled:IntroductionSynonymsHistoryDistributionHost RangeEtiologyEpizootiologyClinical SignsPathogenesisPathologyDiagnosisImmunityPublic Health ConcernsDomestic Animal Health ConcernsWildlife Population ImpactsTreatment and ControlManagement ImplicationsUnpublished DataLiterature Cited

This chapter contains section titled:IntroductionSynonymsHistoryDistributionHost RangeEtiologyEpizootiologyClinical SignsPathogenesisPathologyDiagnosisImmunityPublic Health ConcernsDomestic Animal Health ConcernsWildlife Population ImpactsTreatment and ControlLiterature Cited

This chapter contains section titled:IntroductionSynonymsHistoryDistributionHost RangeEtiologyEpizootiologyClinical SignsPathogenesis and PathologyDiagnosisImmunityPublic Health ConcernsDomestic Animal Health ConcernsWildlife Population ImpactsTreatment and ControlUnpublished DataLiterature Cited

This chapter contains section titled:IntroductionSynonymsHistoryDistribution and Host RangeEpizootiologyClinical SignsPathogenesisPathologyDiagnosisImmunityPublic Health ConcernsDomestic Animal Health ConcernsWildlife Population ImpactsTreatment and ControlManagement ImplicationsUnpublished DataLiterature Cited

This chapter contains section titled:IntroductionSynonymsHistory and DistributionHost RangeEtiologyEpizootiologyClinical SignsPathogenesisPathologyDiagnosisImmunityPublic Health ConcernsDomestic Animal Health ConcernsWildlife Population ImpactsTreatment and ControlManagement ImplicationsUnpublished Data/Personal CommunicationsLiterature Cited

Chronic wasting disease (CWD) is an always-fatal, neurological illness occurring in North American cervids (members of the deer family), including white-tailed deer, mule deer, elk and moose. Since its discovery in 1967, CWD has spread geographically and increased in prevalence locally. CWD is contagious; it can be transmitted freely within and among free-ranging populations. It is likely that dis

In 2005, the USGS National Wildlife Health Center entered into an agreement with the Wyoming Game and Fish Department and the Department of Veterinary Sciences at the University of Wyoming to produce a collection of positive tissues from cervids intentionally infected with chronic wasting disease. This agreement was facilitated through the University of Wyoming Cooperative Fish and Wildlife Unit.

West Nile virus (WNV) has affected many thousands of birds since it was first detected in North America in 1999, but the overall impact on wild bird populations is unknown. In mid-August 2002, wildlife rehabilitators and local wildlife officials from multiple states began reporting increasing numbers of sick and dying raptors, mostly red-tailed hawks (Buteo jamaicensis) and great horned owls (Bubo

The development and refinement of amphibian medicine comprise an ongoing science that reflects the unique life history of these animals and our growing knowledge of amphibian diseases. Amphibians are notoriously fastidious in terms of captive care requirements, and the majority of diseases of amphibians maintained in captivity will relate directly or indirectly to husbandry and management. Investi

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

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