CD Skripsi

Penggunaan Bakteri Bacillus Cereus Sn7 Sebagai Protein Pengganti Tepung Ikan Pada Pakan Ikan Nila Salin (Oreochromis Niloticus)

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Bacillus cereus SN7 is a potential raw material for saline tilapia feed because it has a high protein content (56.6%). This study aims to get the best percentage in feed for the growth of saline tilapia (Oreochromis niloticus). The research method used was a completely randomised design (CRD) with 5 treatments and 3 replications. Fish were fed using Bacillus cereus SN7 bacteria with different percentages, namely P0 (0%), P1 (5%), P2 (10%), P3 (15%), and P4 (20%). The saline tilapia used were 4-6 cm in size and weighed 2.23 ± 0.72g. Saline tilapia were kept in an aquarium measuring 60x40x40m3 with a stocking density of 10 fish/m3. The test feed was given as 10% of the biomass weight with a feeding frequency of 3 times a day at 08.00, 12.00 and 17.00 WIB. The test feed was fed for 56 days. Feed digestibility measurements were conducted in a 60x40x40 cm3 aquarium with a stocking density of 15 fish. The test fish were given feed that had 0.5% Cr2O3 added to the feed. Fish faeces were collected for Cr2O3 and protein analysis. The results showed that the best treatment was the use of 20% Bacillus cereus SN7 bacteria in feed which resulted in feed digestibility of 66.67%, protein digestibility of 75.25, feed efficiency of 31.14%, protein retention of 20.90%, specific growth rate of 2.74%, and fish survival of 96%. Water quality during the study was 25-28˚C, pH 7.0-8.0, DO 3.5-5.0 mg/l, and salinity 17 ppt.
Keywords: Bacillus cereus SN7, Bacteria, Fish feed, Oreochromis niloticus

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Ketersediaan

Informasi Detail

Judul Seri

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No. Panggil

2004111155

Penerbit

Pekanbaru : Universitas Riau FAPERIKA Budidaya Perairan., 2024

Deskripsi Fisik

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Bahasa

Indonesia

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Klasifikasi

2004111155

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Tipe Media

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Tipe Pembawa

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Edisi

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Subjek

BUDIDAYA PERAIRAN

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Melda

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