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Laboratory Exposure of Chinook Salmon to Triactinomyxons (TAMs)

Abstract: A laboratory challenge model was developed to evaluate the effects of a natural M. cerebralis exposure on the susceptibility of Chinook salmon. Fry at 3 weeks post-hatch were subject to repeated doses of 5, 50 and 200 triactinomyxons. Infection severity was assessed at 5 and 11 months post-exposure for each exposure group.This dataset details spore counts, clinical disease signs and weights for 5 fish from each replicate group per exposure at 5 months.

Purpose: These data were collected to determine if laboratory challenges using a single parasite dose are comparable to the sustained doses that fish experience in a natural exposure and to determine if the resistance of Chinook salmon would be overcome with repeated challenge.
Geographic Coverage
Spatial coordinates   
  N: 45.43   S: 45.21   E: -122.51   W: -122.95

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Big Sky Institute, Montana State University Supplemental Info
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Data Center Personnel
Phone: (360) 305-8822
Email: lotts at
Contact Address:
NBII Mountain Prairie Information Node Coordinator Informatics Lab
Big Sky Institute 106 AJM Johnson Hall
City: Bozeman
Province or State: MT
Postal Code: 59717
Country: USA
Phone: 301-851-8113
Email: Tyler.B.Stevens at
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5700 Rivertech Court
City: Riverdale
Province or State: MD
Postal Code: 20737
Country: USA
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Creation and Review Dates
DIF Creation Date: 2007-03-13
Last DIF Revision Date: 2017-01-20