Proceedings
Supplementation Of Tofu Dreg With Carbohydrate-Rich Food Waste As Black Soldier Fly (Hermetia Illucens) Larvae Feed And Its Effects On Larval Growth And Composition
Black Soldier Fly Larvae (Hermetia illucens) (BSFL) farming is utilized for converting organic waste into high quality biomass. Substrate type of organic waste used by BSFL is known to influence the productivity, survival, growth, and the nutrition value in the BSFL. Feed contains high protein, tofu dreg, can accelerate the BSFL development and produce larger growth. Although, balanced intake of digestible carbohydrates and protein can further optimize BSFL growth. Hence, the aim of this study was to investigate the BSFL performance when reared in different feed formulations containing tofu dreg and leftover rice. Formulation of feed contains different ratios of tofu dreg and leftover rice (1:0,2:1, 1:1, 1:2, 0:1). One time feeding was also implemented as the method for the rearing process in this study. BSFL performance was analyzed based on life history, growth performance, organic waste reduction performance analysis, and the nutritional content of the BSFL by proximate analysis. The result shows that supplementation of tofu dreg with leftover rice did not increase the performance
of the BSFL in terms of growth and waste reduction. No significant differences was found between
the nutritional content of BSFL from feed with tofu dreg alone, and that supplementated with
leftover rice. More supplementation of leftover rice results in the decreasing performance of the
BSFL. It is suggested that the moisture content may affects these performances as one time feeding
method was used. Pre-treatment of the rice prior used as feed may increase the performance.
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