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All Journal Jurnal Ilmu Ternak Jurnal Teknologi Hasil Peternakan
Riyanto, Kirana Fairuza
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Immunology & microbiology Veterinary

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Identifikasi Bakteri dan Kapang dalam Proses Pembuatan Bioetanol Menggunakan Campuran Feses Sapi Perah dan Tandan Kosong Kelapa Sawit Riyanto, Kirana Fairuza; Marlina, Eulis Tanti; Harlia, Ellin
Jurnal Teknologi Hasil Peternakan Vol 5, No 2 (2024): September
Publisher : Unpad Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/jthp.v5i2.54748

Abstract

Empty palm bunches are plantation waste with a high fibre content that has potential as a bioethanol raw material. The high lignin content in TKKS requires decomposition treatment with the addition of dairy cow faeces which acts as a lignin degrader due to the presence of cellulolytic bacteria. The initial decomposition phase is the phase where microorganisms play a role in degrading cellulose substrates into glucose needed in the bioethanol fermentation process. This study aims to determine the population and characteristics of bacteria and moulds that play a role in the process of making bioethanol using a mixture of dairy cow faeces and EFB  macroscopically and microscopically. This study used descriptive analysis with 4 treatments namely P1 (60% Dairy Cow Feces : 40% EFB), P2 (70% Dairy Cow Feces : 30% EFB), P3 (80% Dairy Cow Feces : 20% EFB), and P4 (90% Dairy Cow Feces : 10% EFB) observations on day 1, 7 and 14 of the initial decomposition phase. The results showed that the highest bacterial population was 11,35 CFU/g in the P1 treatment and the highest mould population was 60 CFU/g. in the P4 treatment. The dominant bacteria are rod-shaped, gram-positive bacteria and the genus Bacillus bacteria. The moulds that play a role in the decomposition process of the mixture of TKKS and dairy cow faeces are Aspergillus, Trichoderma, Penicillium, Rhizopus and Mucor.
BIOAUGMENTATION OF MICROORGANISMS ON THE DECOMPOSITION OF A MIXTURE OF DAIRY CATTLE MANURE AND CHICKEN EXCRETA AS SOLID ORGANIC FERTILIZER Riyanto, Kirana Fairuza; Ridwan, Roni; Harlia, Ellin
Jurnal Ilmu Ternak Universitas Padjadjaran Vol 25, No 3 (2025)
Publisher : Fakultas Peternakan, Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/jit.v25i3.61453

Abstract

Solid organic fertilizer efficiently utilizes livestock waste, with laying hen excreta providing the highest nitrogen (N) content among livestock manure. Combining laying hen excreta with dairy cow manure and fiber sources as a fertilizer base is expected to meet KEPMENTAN No. 261 of 2019 standards. To maintain essential nutrients (N, P, K), the fertilizer is enriched with Pseudomonas sp., Herbasirillum sp., and Streptomyces sp. This study aims to analyzing the effect of chicken excreta on macronutrient content (N, P, K), carbon (C) levels, C/N ratio, coliform presence, and microbial viability. The experiment followed a completely randomized design (CRD) with six treatments, namely P1: (95% Combination of DCF and FS + 5% Laying Hen Excreta), P2: (90% Combination of DCF and FS + 10% Laying Hen Excreta), P3: (85% Combination of DCF and FS +15% Laying Hen Excreta), MP1: (95% Combination of DCF and FS + 5% Laying Hen Excreta + 10% MK), MP2: (90% Combination of DCF and FS + 10% Laying Hen Excreta + 10% MK) and MP3: (85% Combination of DCF and FS + 15% Laying Hen Excreta + 10% MK). DCF (Dairy Cow Feces), FS (Fibre Source), MC (Microbial Consortium), SOF  (Solid Organic Fertilizer). Results showed that adding 15% laying hen excreta enriched with bacteria significantly increasing (P≤0.05) macronutrient content, viability, C/N ratio, and coliform presence but did not significantly affect carbon (C) content. 
Co-Authors Ellin Harlia Eulis Tanti Marlina RONI RIDWAN