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New whale shark study used metabolomics to help understand shark and ray health
Date:11/16/2012

New research from Georgia Aquarium and Georgia Institute of Technology provides evidence that a suite of techniques called "metabolomics" can be used to determine the health status of whale sharks (Rhincodon typus), the world's largest fish species. The study, led by Dr. Alistair Dove, Director of Research & Conservation at Georgia Aquarium and an adjunct professor at Georgia Tech, found that the major difference between healthy and unhealthy sharks was the concentration of homarine in their in serumindicating that homarine is a useful biomarker of health status for the species.

The paper, "Biomarkers of whale shark health: a metabolomic approach", which is published in the journal PLOS ONE, is especially significant to the veterinary science community because the study documents the results of a rare opportunity to collect and analyze blood from whale sharks. The paper also comprises the only work yet carried out on biochemistry of the world's largest fish.

"This research and its resulting findings are vitally important to ensuring Georgia Aquarium's and the scientific community's care, knowledge, and understanding of not only whale sharks, but similar species of sharks and rays," said Dr. Greg Bossart, Senior Vice President of Animal Health, Research & Conservation and Chief Veterinary Officer at Georgia Aquarium. "The publishing of this clinical research provides a greater opportunity for scientists and Zoological professionals to understand the Animals in our care and can be used to help wild populations, which puts us ahead of the curve in the integrated understanding of animal biology."

Previous research and observations showed that traditional veterinary blood chemistry tests were not as useful with whale sharks; most likely because such tests are designed for mammals and comparatively less is known about sh
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Contact: Stephanie Johnson
sljohnson@georgiaaquarium.org
404-581-4230
Georgia Institute of Technology
Source:Eurekalert  

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