West Nile Virus in Farmed Alligators

Miller, Debra L.; Mauel, Michael J.; Baldwin, Charles; Burtle, Gary; Ingram, Dallas; Hines, Murray E.; Frazier, Kendal S.

doi:10.3201/eid0907.030085

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West Nile Virus in Farmed Alligators

Published Date:

Jul 2003

Publisher's site:

http://dx.doi.org/10.3201/eid0907.030085 New Site Icon

Source:

Emerg Infect Dis. 9(7):794-799.

[PDF-417.13 KB]

Details:

Alternative Title:

Emerg Infect Dis

Personal Author:

Miller, Debra L. ; Mauel, Michael J. ; Baldwin, Charles ; Burtle, Gary ; Ingram, Dallas ; ... More ▼

Description:

Seven alligators were submitted to the Tifton Veterinary Diagnostic and Investigational Laboratory for necropsy during two epizootics in the fall of 2001 and 2002. The alligators were raised in temperature-controlled buildings and fed a diet of horsemeat supplemented with vitamins and minerals. Histologic findings in the juvenile alligators were multiorgan necrosis, heterophilic granulomas, and heterophilic perivasculitis and were most indicative of septicemia or bacteremia. Histologic findings in a hatchling alligator were random foci of necrosis in multiple organs and mononuclear perivascular encephalitis, indicative of a viral cause. West Nile virus was isolated from submissions in 2002. Reverse transcription-polymerase chain reaction (RT-PCR) results on all submitted case samples were positive for West Nile virus for one of four cases associated with the 2001 epizootic and three of three cases associated with the 2002 epizootic. RT-PCR analysis was positive for West Nile virus in the horsemeat collected during the 2002 outbreak but negative in the horsemeat collected after the outbreak.

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Document Type:

Journal Article

Collection(s):

Emerging Infectious Diseases

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