Asian Journal of Microbiology, Biotechnology & Environmental Sciences Paper

Vol 21, Issue 2, 2019; Page No.(284-297)

OPTIMIZATION OF FISH MEAL SUBSTITUTION WITH MAGGOT MEAL (HERMETIA ILLUCENS) FOR GROWTH AND FEED UTILIZATION EFFICIENCY OF JUVENILE LITOPENAEUS VANNAMEI

VIVI ENDAR HERAWATI, AAN SUSILO, PINANDOYO, JOHANNES HUTABARAT, DENNY NUGROHO SUGIANTO, ANINDYA WIRASATRIYA AND OCKY KARNARADJASA

Abstract

Maggot (Hermetia illucens) has good nutritional value, high protein content and its inclusion in fish maintenance can avoid the competition of protein sources with humans. The purpose of this study was to know the effect of fish meal substitution with maggot meal to growth, feed utilization efficiency, and protein efficiency ratio of Pacific white shrimp (Litopenaeus vannamei) and to know the best composition of fish meal substitution with maggot meal for growth, feed utilization efficiency and protein efficiency ratio of Pacific white shrimp. The test fish used in this study were Pacific white shrimp with an average initial weight of 2.62 ± 0.12 g of 320 shrimp (20 shrimp on each test) from BBPBAP Jepara. This study used complete randomized design with 4 treatments, 3 replications. The treatments to be tested are as follows: A (substitution of fish meal with 0% of maggot meal), B (substitution of fish meal with 8% of maggot meal), C (substitution of fish meal with 16% of maggot meal), D (substitution of fish meal with 24% of maggot meal). The measured variables include: relative growth rate, total feed consumption, feed utilization efficiency, protein efficiency ratio, survival rate and water quality. The results showed that substitution of fish meal with maggot meal had significant effect (Sig <0.05) to relative growth rate, total feed consumption, feed utilization efficiency, feed conversion ratio, and protein efficiency ratio but had no significant effect (Sig> 0.05) to survival rate of Pacific white shrimp. The best composition of fish meal substitution with maggot meal was C treatment (substitution of fish meal with 16% of maggot meal) which able to produce relative growth rate of 7.51 ± 0.07%/day, feed utilization efficiency of 53.97 ± 0.82%, feed convertion ratio of 1.85±0.03 and protein efficiency ratio of 1.52 ± 0.02%.

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