TAAM - tasty appetizing accountable marine solubles

Water soluble protein from marine sources has in previous trials shown positive effects on performance in fish and contain high levels of appetite stimulating components. Marine ingredients account for a declining share in feed for fish farming, as catches of wild fish are stable while there is a large growth in the aquaculture industry. Marine raw materials have a high nutritional value and provide safe and healthy growth in fish. Compared to plant raw materials, they contain a significant proportion of nitrogenous water-soluble compounds. The PhD is a spin-off from an IPN project QMAR; a total of four main experimental trials were conducted, and key performance data from these trials have been summarized and reported. Further and broader analysis of samples and datasets will permit the PhD candidate to obtain a substantially better understanding of the outcomes and the biological mechanisms underlying the observed findings. This will enable a knowledge-based use of the ingredients that will significantly increase the impact of these results. qPCR analysis is initiated and data analysis in progress.

Water soluble protein from marine sources has in previous trials shown positive effects on performance in fish and contain high levels of appetite stimulating components. Marine ingredients account for a declining share in feed for fish farming, as catches of wild fish are stable while there is a large growth in the aquaculture industry. Marine raw materials have a high nutritional value and provide safe and healthy growth in fish. Compared to plant raw materials, they contain a significant proportion of nitrogenous water-soluble compounds. Wild fish side-stream products provide efficient use of largely unutilized marine raw materials, increased sustainability and potentially 50% increased growth in the aquaculture industry. Changing the composition of raw materials in fish feed requires good knowledge of food safety, nutritional value, and technical characteristics. The PhD is a spin-off from an IPN project QMAR (NRC #268987); a total of four main experimental trials were conducted, and key performance data from these trials have been summarized and reported. Further and broader analysis of samples and datasets will permit the PhD candidate to obtain a substantially better understanding of the outcomes and the biological mechanisms underlying the observed findings; through 1) lab-analysis to explore positive and negative effects of the feed raw materials in key signaling pathways linked to feed intake and growth under optimal and sub-optimal environmental conditions, 2) CT-scans on pellet to find the optimal level of hydrolysis and inclusion level of selected ingredients for optimal physical pellet quality, growth performance and health, and 3) meta-analysis to identify the most important marine water soluble proteins, non-soluble proteins, fats and other components from fish and krill as biomarkers for feed intake, performance and health. This will enable a knowledge-based use of the ingredients that will significantly increase the impact of these results.