<![CDATA[ABSTRAK Jerami adalah limbah tanaman padi yang dapat digunakan sebagai bahan pakan ternak. Agar jerami tidak mengalami pembusukan, maka dilakukan proses fermentasi. Fermentasi merupakan proses pengubahan suatu zat dengan bantuan mikroorganisme dengan menghasilkan karbohidrat. Fermentasi divariasikan dengan waktu 7, 15 dan 21 hari menggunakan probiotik EM4 dan starbio. Rasio perbandingan bahan jerami dan probiotik yaitu 10:1. Dilakukan pengamatan pada hasil fermentasi untuk kandungan protein, karbohidrat sederhana, dan kadar air. Hasil penelitian menunjukkan bahwa jerami hasil fementasi berwarna cokelat, kadar protein dan glukosa meningkat. Kadar protein dengan penambahan probiotik EM4 naik dari 5,775% menjadi 18,06% dan penambahan starbio menaikkan kadar protein menjadi 14,07%. Fermentasi jerami dengan penambahan EM4 lebih efektif daripada starbio. Waktu fermentasi yang paling efektif adalah 15 hari. Kata kunci: Jerami, fermentasi, probiotik, EM4, starbio ABSTRACT Straw is rice crop waste which can be used as animal feed materials. To avoid straw to decay, the fermentation process is carried out. Fermentation is the process of changing a substance with the help of microorganisms to produce carbohydrates. Fermentation was varied for 7, 15 and 21 days using EM4 and starbio probiotics. The ratio of straw and probiotic is 10: 1. The results of fermentation were observed for protein, simple carbohydrates, and water content. The results showed that fermentation resulted in brown colour and icreases of protein and glucose levels. Protein levels with the addition of EM4 probiotics increase from 5.775% to 18.06% and addition of starbio increases the protein levels to 14.07%. Straw fermentation with the addition of EM4 is more effective than starbio. The most effective fermentation time is 15 days. Keywords: Straw, fermentation, probiotics, EM4, starbio,]]>
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