Abstract
AbstractAfrican catfish (Clarias gariepinus) larvae were fed on five preparations of decapsulated Great Salt Lake Artemia cysts: 1) dried (35C, 6h) and UV‐irradiated cysts; 2) heated cysts (80C, 10 min); 3) brinedehydrated and UV‐irradiated cysts; 4) micro‐bound diet 1 (with intact decapsulated cysts used in diet preparation 1); and 5) micro‐bound diet 2 (with crushed and shited decapsulated cysts used in diet preparation 1). The larvae were fed from the first day after yolk‐sac resorption (fourth day after hatching). After a 14‐d rearing period, larvae fed on dried or heated decapsulated cysts yielded significantly higher mean weights than the groups fed on brine‐dehydrated decapsulated cysts or micro‐bound diet 1. Feeding micro‐bound diet 2 resulted in a significantly lower average gain in weight as compared to the other groups.
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