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Mussels may alter salmon farm disease dynamics

FISH HEALTH NOTES by Rod Getchell

PLYMOUTH, MA – During the 2010 Northeast Aquaculture Conference & Exposition (NACE) held Dec. 1-3 here in Plymouth, researchers from the University of Maine (UMaine) showed evidence that blue mussels filter fish pathogens like Vibrio anguillarum and sea lice from the water.

The work involved integrated multi-trophic aquaculture (IMTA), which is a relatively new fish farming approach designed to reduce organic and inorganic waste at finfish net-cage sites by incorporating mussel culture and seaweeds like kelp to serve as biofilters for the fish waste. The additional crops provide an added economic benefit as well.

Ian Bricknell’s group at UMaine’s Aquaculture Research Institute has been working for a couple of years now to address concerns that IMTA may impact disease transmission at fish farms.

Read the rest and much, much more in Issue 4, 2012 of Fish Farming News.  Download now for immediate access and keep the .pdf for future reference.

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