Tuesday, August 16, 2011

A study show parasites have a more profound effect on fish mortality

A study carried out by researchers at Oregon State University, showed that heavy parasite infection does have a major effect on growth, weight, size, immune function and other issues.  What they have learned from these studies is that its not the presence or absence of parasites, that is important but that their numbers can build up over years or decades and ultimately cause major impacts.

"We've known for a long time that salmon and other fish are affected by parasites, so that isn't new," said Mike Kent, an OSU professor of microbiology. "Because parasites have been present for decades, they have often been dismissed as a cause of increasing salmon mortality." Read more ...

This blog is written by Martin Little, The Aquaculturists, published and supported by the International Aquafeed Magazine from Perendale Publishers
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