Implications of thiamine deficiency in Great Lakes salmonines

Journal of Aquatic Animal Health
By: , and 



Our recent experimental work and ecoepizootiological assessments provide mechanistic data supporting a plausible hypothesis for an association between a prey base comprised of a large biomass of nonnative alewives Alosa pseudoharengus and the recruitment difficulties currently experienced by Great Lakes salmonines. We hypothesize that the thiamine deficiency induced by alewives, a species harboring high thiaminase activity, represents an ongoing cause of fry and adult mortality in salmonines. Overall ramifications of the thiamine deficiency on recruitment have not been firmly established but may represent a substantial bottleneck for natural recruitment in feral salmonine populations in the Great Lakes.

Additional publication details

Publication type Article
Publication Subtype Journal Article
Title Implications of thiamine deficiency in Great Lakes salmonines
Series title Journal of Aquatic Animal Health
DOI 10.1577/H04-015.1
Volume 17
Issue 1
Year Published 2005
Language English
Publisher Taylor & Francis
Contributing office(s) Columbia Environmental Research Center
Description 12 p.
First page 113
Last page 124
Country Canada, United States
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