Use of rice protein concentrate in rainbow trout feeding: preliminary results

Use of rice protein concentrate in rainbow trout feeding: preliminary results

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During the past decades, the fishery industry Woks has excessively used the world fish captures to produce fishmeal and fish oil in order to prepare feed for aquaculture diets.This has led to a drastic reduction of several fish populations (Hardy, 1999; FAO, 1999).At present 70% of the oil and 34% of fishmeal obtained from captures are used for aquaculture industry and, if the aquaculture production will continue to increase as predicted, in a short time it will absorb the entire world oil and Stove Thermocouple fish meal production.Moreover, since fish meal still constitutes an important part of the feed formula for cultivated fish and since a further increase of fish meal availability will not be possible (Hardy, 2001), its price is expected to continue to increase (Tacon, 1998).