Comparative growth studies, II
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Original versionThis report is not to be quoted without prior consultation with the General Secretary.
Atlantic salmon smolts of Norwegian and Swedish (Baltic) origin and rainbow trout fingerlings were stocked in floating pens at several farms along the Norwegian coast. The fish were counted, measured and weighed with approx. six months intervals, until slaughtered. Temperature, salinity, food rations and mortality were recorded at the farms. Salmon and rainbow trout have the best growth rates at the farms in southern part of Norway. Comparison of salmon of Norwegian and Baltic origin favours the Norwegian. Reasons for the large diversities in growth of fish at the different farms are discussed.