Seroprevalence of Toxoplasma gondii in Harbor Seals (Phoca vitulina) in Southern Puget Sound, Washington

D. M. Lambourn; S. J. Jeffries; J. P. Dubey

doi:10.1645/0022-3395(2001)087[1196:SOTGIH]2.0.CO;2

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D. M. Lambourn,¹ S. J. Jeffries,¹ J. P. Dubey^2,3

¹Washington Department of Fish and Wildlife, Marine Mammal Investigations, 7801 Phillips Road S.W., Tacoma, Washington 98498-6345
²author for correspondence at: United States Department of Agriculture, Agricultural Research Service, Animal and Natural Resources Institute, Parasite Biology, Epidemiology, and Systematics Laboratory, Building 1001, BARC-East, Beltsville, Maryland 2
³jdubey@anri.barcusda.gov

Abstract

As part of the Puget Sound Ambient Monitoring Program of the Washington Department of Fish and Wildlife, serum samples from 380 harbor seals (Phoca vitulina) were tested for antibodies to Toxoplasma gondii in the modified agglutination test (MAT) incorporating formalin-fixed tachyzoites and mercaptoethanol. Antibodies to T. gondii were found in 29 of 380 (7.6%) seals with titers of 1:25 in 13, 1:50 in 14, and ≥1:500 in 2 seals. Results indicate natural exposure of these wild marine mammals to T. gondii oocysts.

Citation Download Citation

D. M. Lambourn, S. J. Jeffries, and J. P. Dubey "Seroprevalence of Toxoplasma gondii in Harbor Seals (Phoca vitulina) in Southern Puget Sound, Washington," Journal of Parasitology 87(5), 1196-1197, (1 October 2001). https://doi.org/10.1645/0022-3395(2001)087[1196:SOTGIH]2.0.CO;2

Published: 1 October 2001

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