Interspecific comparisons of sylvatic plague in prairie dogs
Journal of Mammalogy
By: J.F. Cully Jr. and E.S. Williams
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Abstract
Of the 3 major factors (habitat loss, poisoning, and disease) that limit abundance of prairie dogs today, sylvatic plague caused by Yersinia pestis is the 1 factor that is beyond human control. Plague epizootics frequently kill >99% of prairie dogs in infected colonies. Although epizootics of sylvatic plague occur throughout most of the range of prairie dogs in the United States and are well described, long-term maintenance of plague in enzootic rodent species is not well documented or understood. We review dynamics of plague in white-tailed (Cynomys leucurus), Gunnison's (C. gunnisoni), and black-tailed (C. ludovicianus) prairie dogs, and their rodent and flea associates. We use epidemiologic concepts to support an enzootic hypothesis in which the disease is maintained in a dynamic state, which requires transmission of Y. pestis to be slower than recruitment of new susceptible mammal hosts. Major effects of plague are to reduce colony size of black-tailed prairie dogs and increase intercolony distances within colony complexes. In the presence of plague, black-tailed prairie dogs will probably survive in complexes of small colonies that are usually >3 km from their nearest neighbor colonies.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Interspecific comparisons of sylvatic plague in prairie dogs |
| Series title | Journal of Mammalogy |
| DOI | 10.1644/1545-1542(2001)082<0894:ICOSPI>2.0.CO;2 |
| Volume | 82 |
| Issue | 4 |
| Year Published | 2001 |
| Language | English |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Journal of Mammalogy |
| First page | 894 |
| Last page | 905 |
| Google Analytic Metrics | Metrics page |