Investigations into the formation of rainbow trout (Oncorhynchus mykiss) social hierarchies and possible hierarchical disruption by an environmental perturbation
Date
2011-12
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Department of Biology, McMaster University
Abstract
In environments with limiting resources, such as space or food, Salmonids such as rainbow trout form social hierarchies, consisting of dominant and subordinate individuals. There were two main objectives for this thesis: to investigate the physiological consequences of being in a social hierarchy, and secondly, to investigate the behavioural and physiological changes of groups of rainbow trout exposed to ammonia concentrations which are above chronic protected guidelines.
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Keywords
ONCORHYNCHUS MYKISS, SOCIAL STRUCTURE, SOCIAL STATUS, AMMONIA, FISH PHYSIOLOGY, ENVIRONMENTAL IMPACT