A. Supriatna, N. Nurhatijah, M.A. Sarong, Z.A. Muchlisin
The objectives of the present study were to evaluate the best combination of biofloc density in culture media and percentage crude protein content on feed on growth performance, survival rate and feed utilization of the black tiger shrimp (Penaeus monodon) culture system. The Completely Factorial Random Design (CFRD) was used in this study. The first tested factor is the percentage of crude protein in the diet at three levels namely; 35%, 30%, 25%, and the second factor is biofloc density at in three levels namely; 5mlL-1, 10mlL-1, 15 ml L-1. The results showed that the combination of 35% crude protein combined with 10mlL-1 biofloc gave the best results for all measured parameters, with a survival rate of 100%, absolute growth rate was 17.207g, daily growth rate was 0.58g day-1, specific growth rate was 3.528% day-1, feed conversion ratio (FCR) was 0.974, and the feed efficiency was 102.7%. It is concluded that the best combination of crude protein and biofloc density that 10 ml L-1 floc and 35% crude protein diet. © Published under licence by IOP Publishing Ltd.
Brackish Water Aquaculture Development Center, Ujong Batee Aceh Besar District, Indonesia; Polytechnique Indonesia Venezuela, Aceh Besar, Indonesia; Department of Biology, Faculty of Teaching Training and Education, Universitas Syiah Kuala, Banda Aceh, Indonesia; Department of Aquaculture, Faculty of Marine and Fisheries, Universitas Syiah Kuala, Banda Aceh, 23111, Indonesia
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