Prevalence of a Potentially Lethal Parasite of Wading Birds in Natural and Agricultural Wetlands in South Louisiana

Margaret C. Luent; Melissa Collins; Clinton Jeske; Paul Leberg

doi:10.1656/058.011.0305

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Margaret C. Luent,^1,2,* Melissa Collins,^3,4 Clinton Jeske,⁵ Paul Leberg¹

¹1University of Louisiana at Lafayette, Department of Biology, PO Box 42451, Lafayette, LA 70504.
²2Current address - Louisiana Department of Wildlife and Fisheries, 102 Magnate Drive, Suite 201, Laf
³3IAP World Services, Inc., US Geological Survey, National Wetlands Research Center, Lafayette, LA 70
⁴4Current address - 1056 Sandy Nell Road, Breaux Bridge, LA 70517.
⁵5US Geological Survey, National Wetlands Research Center, Lafayette, LA, 70506.

^*Corresponding author mluent@wlf.la.gov.

Abstract

Gambusia affinis (Western Mosquitofish) were sampled from 18 sites representing marsh, forested wetlands, and agricultural wetlands in south Louisiana to determine distribution and infection parameters of Eustrongylides ignotus, a potentially lethal nematode parasite of wading birds, (n = 400 per site). Overall, prevalence of infection was 0.3%, with significantly higher prevalence in agricultural wetlands than in marshes or swamps. Our findings are similar to work in Florida suggesting parasite prevalence is higher in disturbed wetlands, and suggest that birds foraging in crayfish ponds and rice fields may be at increased risk of exposure.

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Margaret C. Luent, Melissa Collins, Clinton Jeske, and Paul Leberg "Prevalence of a Potentially Lethal Parasite of Wading Birds in Natural and Agricultural Wetlands in South Louisiana," Southeastern Naturalist 11(3), 415-422, (1 September 2012). https://doi.org/10.1656/058.011.0305

Published: 1 September 2012

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