Seroprevalence of Toxoplasma gondii in Rocky Mountain Bighorn Sheep (Ovis canadensis)

J. P. Dubey; W. J. Foreyt

doi:10.1645/0022-3395(2000)086[0622:SOTGIR]2.0.CO;2

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J. P. Dubey,¹ W. J. Foreyt^1,2

¹United States Department of Agriculture, Agricultural Research Service, Livestock and Poultry Sciences Institute, Parasite Biology and Epidemiology Laboratory, Beltsville Agricultural Research Center, Beltsville, Maryland 20705-2350
²Department of Veterinary Microbiology and Pathology, Washington State University, Pullman, Washington 99164-7040

Abstract

Serum samples from 697 Rocky Mountain bighorn sheep (Ovis canadensis) from North America were examined for antibodies to Toxoplasma gondii by the modified agglutination test incorporating mercaptoethanol and formalin-fixed tachyzoites. Antibodies to T. gondii were found in 25 of 697 (3.6%) sheep in titers of 1:25 (8 sheep), 1:50 (4 sheep), 1:100 (7 sheep), 1:200 (1 sheep), 1:400 (1 sheep), 1:800 (1 sheep), and 1:1,600 (3 sheep). This is the first record of T. gondii exposure in bighorn sheep.

Citation Download Citation

J. P. Dubey and W. J. Foreyt "Seroprevalence of Toxoplasma gondii in Rocky Mountain Bighorn Sheep (Ovis canadensis)," Journal of Parasitology 86(3), 622-623, (1 June 2000). https://doi.org/10.1645/0022-3395(2000)086[0622:SOTGIR]2.0.CO;2

Published: 1 June 2000

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