Arch. Pol. Fish.     Vol. 7     Fasc. 1            1999      p. 83-92


EVALUATION OF BAROTHERMALLY PROCESSED CASEIN AS A COMPONENT OF TROUT STARTERS. II. THE EFFECT ON FISH GROWTH

Arkadiusz Koligot, Antoni Przybył

Department of Inland Fisheries and Aquaculture, Agricultural Academy in Poznań

ABSTRACT. Six experimental trout starters containing 8-40% of processed casein were tested. The experiment lasted 50 days. Rainbow trout fry of average individual body weight 1.5-1.7 g was used. The best results were obtained with the starter containing 32% of caseinate – final fish body weight was 18.07 g/ind., feed conversion rate 0.85, PER – 2.32, and aNPU – 33.50.

Key words: RAINBOW TROUT, FEEDING, FEEDS, CASEIN, EXTRUSION