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Abstract
Salmonid whirling disease is caused by Myxobolus cerebralis, a metazoan parasite with a two host life cycle involving salmonid fish a an aquatic oligochaete, Tubifex tubifex (Wolf, Markiw and Hiltunen, 1986). Whirling disease has been reported in 22 U.S. states with the greatest losses occurring in the salmonid fisheries of western and Midwestern states. Although whirling disease is endemic in the eastern United States, serious documented losses to wild populations have not been reported. Two high priority research needs identified in 1996 were a better understanding of how worm and parasite populations might differ from different geographic areas and how environmental factors affect the various stages of whirling disease. To begin to address these research needs we established "eastern" populations of worms, parasite and fish hosts. This abstract will present data on the effects of temperature and substrate upon eastern T. tubifex worms infected with an eastern isolate of M. cerebralis. The influences of these abiotic factors upon the ability to infect the worms and subsequently their ability to produce waterborne triactinomyxons.
| Publication type | Book |
|---|---|
| Publication Subtype | Conference publication |
| Title | Influence of temperature and substrate on infection rate, triactinomyxon production, and release duration from eastern tubifex worms infected with Myxobolus cerebralis |
| Year Published | 1999 |
| Language | English |
| Publisher | Whirling Disease Foundation |
| Publisher location | Bozeman, MT |
| Contributing office(s) | Leetown Science Center |
| Description | p. 251-255 |
| Larger Work Title | 5th Annual Whirling Disease Symposium: Research and Management Perspectives |
| Conference Location | Missoula, Montana |
| Google Analytic Metrics | Metrics page |