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Avian cholera in the central and Mississippi flyways 1979-80

January 1, 1984

Waterfowl mortality from avian cholera during July 1979-May 1980 was widespread in the Central and Mississippi flyways, occurring in a wide variety of species and locations from nesting grounds of snow geese (Chen caerulescens) on Hudson Bay south to waterfowl wintering areas on the Texas coast and playa lakes region. Mortality estimates at the various sites ranged from several birds to over 72,000. The chronological and geographic occurrence of outbreaks corresponded closely to waterfowl migrations from infected sites, suggesting that waterfowl served to distribute avian cholera along migration routes. Recurrent outbreaks at several locations suggest that these sites have become enzootic for this disease. The magnitude of avian cholera mortality and its geographic spread during 1979-80 underscores the need to address management of this disease on an intra- and inter-flyway basis.

Publication Year 1984
Title Avian cholera in the central and Mississippi flyways 1979-80
Authors C. J. Brand
Publication Type Article
Publication Subtype Journal Article
Series Title Journal of Wildlife Management
Index ID 1003850
Record Source USGS Publications Warehouse
USGS Organization National Wildlife Health Center