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Posted by }<)))*> StriperChaser on November 26, 2005, 7:49 am By May, Tom Shahady will know one parasite - the one infecting striped bass in Smith Mountain Lake - intimately. This past summer, LC won a $20,879 grant from VDGIF and received additional funding from the Claytor Nature Study Center. In August the lab annex at the nature center in Bedford was completed. Achtheres was identified in striped bass in Smith Mountain Lake in 2002. The lake used to be filled with large trophy fish but many died in a fish kill in 2003. The parasite has been found in Tennessee, Virginia and North Carolina. “This parasite is really truly not understood,” Shahady said. “We need to understand biologically the lifecycle of this parasite. We could never Right now about 200 infected and 200 uninfected fish are being monitored in eight, 250-gallon tanks. Over the next six months Shahady and LC Grafton’s goal is to determine if the growth rates between the infected and uninfected fish vary. It’s possible, he said, that the infected fish are expending energy needed for growing to fight the parasite. Ford said they suspect “that the parasite is affecting their gill filaments, taxing oxygen exchange. Therefore the parasite is somehow not allowing proper gas exchange for the fish.” “One thing we don’t know is how it jumps from different water basins,” he said. “We may never know.”
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Fishing for some answers
Amy Coute?
acoutee@newsadvance.com
Saturday, November 26, 2005
determine this out on a reservoir.”
seniors Ryan Grafton and David Ford will track the growth and oxygen uptake of infected and uninfected striped bass through monitoring, dissection and experimentation.
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