Providing evidence to improve practice

Individual study: Absorption efficiency of blue mussels (Mytilus edulis and M. trossulus) feeding on Atlantic salmon (Salmo salar) feed and fecal particulates: Implications for integrated multi-trophic aquaculture

Published source details

Reid G.K., Liutkus M., Bennett A., Robinson S.M.C., MacDonald B. & Page F. (2010) Absorption efficiency of blue mussels (Mytilus edulis and M. trossulus) feeding on Atlantic salmon (Salmo salar) feed and fecal particulates: Implications for integrated multi-trophic aquaculture. Aquaculture, 299, 165-169


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Integrated aquaculture systems Sustainable Aquaculture

Laboratory and field trial in Canada in 2005 (Reid et al., 2010) found that organic material in waste from salmon culture can be absorbed by blue mussels (Mytilus edulis and M. trossulus). The absorption efficiencies for the spat formula feed, diatom based salmon feed, salmon faeces (laboratory trial) and total particulate matter at salmon cages were 87, 81, 90, 86, and 54% respectively. In the laboratory experiments, four diets were fed to three size classes of mussels; spat formula diet, diatom based formula diet, salmon feed and salmon faeces over a period of one and a half months. In the field trials, mussels were placed individually in chambers on a moored boat and the outflowfrom the salmon farm was used to measure total particulate matter, total organic matter and organic carbon with collection occurring prior to, and mid-way through each 1.5 h trial. The trials occurred on three separate days. Faecal deposits were collected throughout the trial to determine absorption efficiency.