Effects of mono and mix diets on growth of Artemia and its application as dietary sources of Pterophyllum scalare (Angelfish)

Abstract

Abstract Artemia is a type of brine shrimp that can provide good nutrients and a well digested fish larva with high potential live feed. Therefore, Artemia is readily contained in capsulated cysts that have been preserved for a long period of time. In the industrial, however, there is a lack of knowledge and technique regarding the handling of suitable life feed as first feed for fish larvae. The study is to observe the growth and survival rate of Angelfish larvae (Pterophyllum scalare) with various types of enriched Artemia. Three types enrichment are used (Tetraselmis sp., Chlorella sp., and mixed diet; Tetraselmis sp. + Chlorella sp.). This experiment was performed for 35 days, and the growth (SGR), survival and nutritional analysis were reported to assess the effect of the larvae of Angelfish. Specific growth rate (SGR) of Angelfish larvae (11.49 ± 0.63%), and survival rate (81.0 ± 1.92%). Angelfish larvae had the highest growth and survival rate on mixed diet fed (Tetraselmis sp. + Chlorella sp.) compared to other enrichments, Tetraselmis sp. (9.56 ± 0.08%, 70.00 ± 0.00%) and sp. (10.03 ± 0.13%, 74.0 ± 2.03%), this was related while examining the protein and lipids. The mean value of the mixed diet protein and lipid analysis (57.91 ± 0.27%, 7.31 ± 1.35%) is the highest as compared to other enrichments, Tetraselmis sp. (44.73 ± 0.73%, 4.85 ± 0.60%), and Chlorella sp. (49.76 ± 1.19%, 7.31± 5.05%). As the conclusion, mixed diet is more successful diet for growth performances and survival rate to fish larvae. This study applies if the Artemia can be culture in the future without the technique of decapsulation cysts to reduce cost in using Artemia.