Implications of thiamine deficiency in Great Lakes Salmonines
Implications of thiamine deficiency in Great Lakes Salmonines
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DOI：
10.1577/h04-015.1
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发表时间：
2005-03-01
影响因子：
1.2
通讯作者：
Tillitt, DE
中科院分区：
文献类型：
--
作者：
Brown, SB;Fitzsimons, JD;Tillitt, DE
我们最近的实验工作和ecoepizootiological评估提供了机械数据支持一个合理的假设之间的关联的猎物基地组成的一个大的生物量的规范alewives Alosa pseudoharengus和招聘困难目前经历的五大湖鲑鱼。我们推测，硫胺素缺乏症引起的alewives，一个物种窝藏高硫胺酶活性，代表了一个持续的原因鱼苗和成人死亡率在鲑鱼。硫胺素缺乏症对招募的总体影响尚未得到确定，但可能是五大湖野生鲑鱼种群自然招募的一个重大瓶颈。
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 normative 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.