Infectious diseases, parasites, and biological toxins in sea ducks: Chapter 4

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Abstract

This chapter addresses disease agents in the broad sense, including viruses, bacteria, fungi, protozoan and helminth parasites, and biological toxins. Some of these agents are known to cause mortality in sea ducks, some are thought to be incidental findings, and the significance of others is yet poorly understood. Although the focus of the chapter is on free-living sea ducks, the study of disease in this taxonomic group has been relatively limited and examples from captive sea ducks and other wild waterfowl are used to illustrate the pathogenicity of certain diseases. Much of the early work in sea ducks consisted of anecdotal and descriptive reports of parasites, but it was soon recognized that diseases such as avian cholera, renal coccidiosis, and intestinal infections with acanthocephalans were causes of mortality in wild populations. More recently, adenoviruses, reoviruses, and the newly emergent Wellfleet Bay virus, for example, also have been linked to die-offs of sea ducks. Declining populations of animals are particularly vulnerable to the threats posed by disease and it is important that we improve our understanding of the significance of disease in sea ducks. To conclude, we offer our recommendations for future directions in this field.

Additional publication details

Publication type Book chapter
Publication Subtype Book Chapter
Title Infectious diseases, parasites, and biological toxins in sea ducks: Chapter 4
Chapter 4
ISBN 978-1-4822-4897-5
Volume 46
Year Published 2015
Language English
Publisher CRC Press
Publisher location Boca Raton, FL
Contributing office(s) National Wildlife Health Center
Description 27 p.
Larger Work Type Book
Larger Work Subtype Monograph
Larger Work Title Ecology and conservation of North American sea ducks: Studies in Avian Biology 46
First page 97
Last page 123
Online Only (Y/N) N
Additional Online Files (Y/N) N