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Chemical ions affect survival of avian cholera organisms in pondwater

Journal of Wildlife Management

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Abstract

Avian cholera (Pasteurella multocida) is a major disease of wild waterfowl, but its epizootiology remains little understood. Consequently, we examined whether chemical ions affected survival of avian cholera organisms in water collected from the Nebraska Rainwater Basin where avian cholera is enzootic. We tested the response of P. multocida to ammonium (NH4), calcium (Ca), magnesium (Mg), nitrate (NO3), and ortho-phosphate (PO4) ions individually and in combination using a fractional factorial design divided into 4 blocks. High concentrations of Ca and Mg, singly or in combination, increased survival of P. multocida organisms (P < 0.001). We developed a survival index to predict whether or not specific ponds could be "problem" or "nonproblem" avian cholera sites based on concentrations of these ions in the water.

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Additional publication details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Chemical ions affect survival of avian cholera organisms in pondwater
Series title:
Journal of Wildlife Management
Volume:
56
Issue:
2
Year Published:
1992
Language:
English
Publisher:
Allen Press
Publisher location:
Lawrence, KS
Contributing office(s):
National Wildlife Health Center
Description:
5 p.
First page:
274
Last page:
278
Country:
United States
State:
Nebraska
Online Only (Y/N):
N
Additional Online Files (Y/N):
N