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All Journal Agrivet: Jurnal Ilmu-ilmu Pertanian dan Peternakan
Salvia Sani
Politeknik Pertanian Negeri Payakumbuh
Agriculture, Biological Sciences & Forestry

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Kandungan protein sel tunggal dalam kombinasi tape jerami dan limbah singkong menggunakan kapang Saccharomyces cerevisiae Ramaiyulis; Suri Suciani; Novadhila Rahmi; Salvia Sani; Muthia Dewi
Agrivet : Jurnal Ilmu-Ilmu Pertanian dan Peternakan (Journal of Agricultural Sciences and Veteriner) Vol. 13 No. 2 (2025): Desember
Publisher : Fakultas Pertanian Universitas Majalengka

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31949/agrivet.v13i2.14238

Abstract

Rice straw and cassava waste are abundant agricultural byproducts, but they have limitations in nutritional value, particularly low protein content. This study aims to evaluate the effect of a combination of straw and cassava substrates, as well as the addition of Saccharomyces cerevisiae mold, on increasing the content of single cell protein (SCP), crude protein, pure protein, microbial biomass, and pH stability during fermentation. The study was conducted experimentally with a 2×2 factorial completely randomized design (CRD) using four treatments: JKN (straw + cassava peel without yeast), JKR (straw + cassava peel + yeast), JSN (straw + cassava without yeast), and JSR (straw + cassava + yeast). Fermentation was carried out for 7 days under anaerobic conditions. The results showed that the JSR treatment produced the highest SCP (47.59 mg/mL) and the largest microbial biomass (4.37 mg/mL), while JSN produced the highest crude protein (13,40%) and pure protein (9,61%). The addition of yeast significantly increased PST and biomass, but in some treatments, it decreased the pure protein content. The combination of straw and cassava has been shown to increase the nutritional value of feed ingredients through the fermentation process, with effectiveness depending on the type of substrate and the presence of microbial inoculum.
Co-Authors Muthia Dewi Novadhila Rahmi Ramaiyulis Suri Suciani