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Behavioral Criteria For The Diagnosis Of Domoic Acid Toxicosis In Zalophus Californianus, Christiana Wittmaack
Behavioral Criteria For The Diagnosis Of Domoic Acid Toxicosis In Zalophus Californianus, Christiana Wittmaack
HCNSO Student Theses and Dissertations
Introduction
California sea lion (Zalophus californianus) health is severely compromised by domoic acid toxicosis, which occurs in high levels during harmful algal blooms of Pseudonitzschia australis along the coast of California. Current diagnostic protocols are often inconclusive due to a 2-48 hour window of detectability within the urinary, circulatory, and gastric systems (Cook, et al. 2011 and Monte, Pers Comm, 2012). Past studies suggest that Z. californianus, with domoic acid toxicosis, commonly display abnormal behaviors (Goldstein, et al. 2008). However, many of these abnormal behaviors are also associated with other diagnoses and are therefore unreliable as diagnostic indicators. …