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| Sascha Hallett & Harriet Lorz sieving oligochaeles from sediment, Wizard Falls State Fish Hatchery, OR. |
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| Nicole Rudel & Rich Holt taking core samples from the skull of a mature fish, to examine for the presence of M. cerebralis spores. |
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| Stephen Atkinson, Don Stevens, Harriet Lorz searching for oligochaele worms. |
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| Harriet Lorz measuring rainbow trout fry to be used in sentinel cages. |
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| Stephen Atkinson filtering oligochaete worms from sediment, Clear Creek, Clackamas County, Oregon. |
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| 14 day post-hatch rainbow trout fry, for use as sentinel fish. |
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| Sentinel fish cages in Clear Creek, Clackamas Co, OR. |
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| Tubifex oligochaetes being held in individual wells to screen for spore release. |
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| 14 day post-hatch rainbow trout fry, for use as sentinel fish. |
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Updated:
Thursday, February 19, 2009