Cloacal and tracheal swabs were collected from 1,409 hunter-killed ducks in Cameron Parish, Louisiana, during the 1986 and 1987 waterfowl seasons. Thirty avian paramyxoviruses (PMV's) were isolated from 605 blue-winged teal (Anas discors), 75 mottled ducks (A. fulvigula), 375 gad walls (A. strepera), 334 green-winged teal (A. crecca), and 20 mallards (A. platyrhynchos). Prevalence of PMV decreased (P =0.042) from September (4%) through November (2%) to December and January (1%). Juveniles had a higher prevalence of PMV (P < 0.0001) than adults. An isolate from resident mottled ducks documents transmission of PMV's on the coastal wintering areas of Louisiana. The four serotypes isolated, PMV-1, PMV-4, PMV-6, and PMV-8, were typical of PMV's commonly associated with free-living waterfowl.
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1 January 1991
Avian Paramyxoviruses from Migrating and Resident Ducks in Coastal Louisiana
D. E. Stallknecht,
D. A. Serine,
P. J. Zwank,
S. M. Shane,
M. T. Kearney
Journal of Wildlife Diseases
Vol. 27 • No. 1
January 1991
Vol. 27 • No. 1
January 1991
avian paramyxovirus
ducks
isolates
prevalence
serotypes
survey