Effects of fermented rain tree seed flour in feed, on chemical composition, glycogen content of the body and the growth of juvenile white shrimp Litopenaeus vannamei
Asni Anwar(a,c*),Zainuddin(b), Muhammad Iqbal Djawad(b) dan Siti Aslamyah(b)

a,c)Doctoral Study Program in Fisheries Science, Faculty of Marine Science and Fisheries, Hasanuddin University, Makassar, South Sulawesi, Indonesia
a,c* : asni[at]unismuh.ac.id
b)Aquaculture Study Program, Department of Fisheries Faculty of Marine Science and Fisheries, Universitas Hasanuddin, Makassar 90245 Indonesia
c)Aquaculture Study Program Faculty of Agriculture, University of Muhammadiyah Makassar, South Sulawesi, Makassar 90211, Indonesia

Abstract

The research aims to determine the level of soybean flour (SBM) substitution with rain tree seed flour (RTSF) fermented with mixed microorganisms in feed on body chemical composition, glycogen content, and growth of white shrimp. White shrimp with an initial weight of 0.08 g/shrimp are kept with a density of 40 heads in an aquarium measuring 50x30x35 cm3, 40 l in volume, containing 25 ppt salinity water and equipped with a recirculation system. The study was designed in a complete randomized design, with five treatments repeated three times, with different substitution rates, namely 0, 25, 50, 75, and 100%. During the 60 days of rearing, shrimp were given experimental feed 4 times a day at 06.00, 12.00, 18.00 and 21.00 in an amount of 10% of body weight. The results of the analysis showed that the treatment had a significant effect on crude protein levels, crude fat, Nitrogen Free Extract (NFE), glycogen content, and absolute growth of white shrimp, except for ash and crude fiber content. The highest protein content, fat, NFE, shrimp body glycogen content and absolute growth were obtained at the 50% substitution rate treatment and the lowest at the 0%. The crude fiber content ash were highest at the 0% substitution rate, and crude fiber ash were lowest at the 50% substitution rate. The substitution rate of soybean flour with fermented rain tree seed flour is well-tared in feed, to support the sustainability of white shrimp farming, with a ratio of 50% SBM: 50% RTSF

Keywords: Feed, Litopenaeus vannamei ,Rain tree, Substitution.

Topic: Sustainable Aquaculture and Fisheries