<![CDATA[Limbah penyulingan serai wangi (Cymbopogon nardus) berpotensi dimanfaatkan sebagai silase untuk mengatasi penurunan ketersediaan hijauan pakan ruminansia pada musim kemarau. Penelitian ini bertujuan untuk mengetahui pengaruh penambahan berbagai level Effective Microorganisms 4 (EM4) dan molase terhadap kualitas fisik silase limbah serai wangi. Metode eksperimental menggunakan Rancangan Acak Lengkap (RAL) dengan empat perlakuan, yaitu P1 (1% EM4 + 1% molase), P2 (2% EM4 + 2% molase), P3 (3% EM4 + 3% molase), dan P4 (4% EM4 + 4% molase), masing-masing diulang lima kali. Variabel yang diamati meliputi warna, aroma, tekstur, keberadaan jamur, pH, dan skor Fleigh. Data dianalisis menggunakan analisis sidik ragam dan dilanjutkan dengan uji lanjut Duncan. Hasil penelitian menunjukkan bahwa peningkatan level EM4 dan molase tidak berpengaruh nyata (p > 0,05) terhadap warna (cokelat kekuningan) dan tekstur (agak kasar). Namun, perlakuan berpengaruh nyata (p < 0,05) terhadap aroma, keberadaan jamur, penurunan pH, dan skor Fleigh. Kombinasi dosis 4% EM4 dan 4% molase menghasilkan silase limbah serai wangi paling baik dengan aroma asam segar, bebas kontaminasi jamur, pH terendah (4,68), dan skor Fleigh tertinggi (79,12; kategori baik). Meskipun demikian, penggunaan dosis minimal 2% EM4 dan 2% molase sudah mampu menghasilkan karakteristik fisik silase yang layak. ABSTRACT Citronella (Cymbopogon nardus) distillation waste has the potential to be utilized as silage to overcome the decline in forage availability for ruminants during the dry season. This study aimed to determine the effect of adding various levels of Effective Microorganisms 4 (EM4) and molasses on the physical quality of citronella waste silage. An experimental method was conducted using a Completely Randomized Design (CRD) with four treatments: P1 (1% EM4 + 1% molasses), P2 (2% EM4 + 2% molasses), P3 (3% EM4 + 3% molasses), and P4 (4% EM4 + 4% molasses), each replicated five times. The observed variables included color, aroma, texture, the presence of fungi, pH, and Flieg score. Data were analyzed using analysis of variance (ANOVA) and followed by Duncan's multiple range test. The results showed that increasing the levels of EM4 and molasses had no significant effect (P > 0.05) on color (yellowish-brown) and texture (slightly coarse). However, the treatments significantly affected (P < 0.05) aroma, the presence of fungi, pH decrease, and Flieg score. The combination of 4% EM4 and 4% molasses produced the best citronella waste silage, characterized by a fresh sour aroma, no fungal contamination, the lowest pH (4.68), and the highest Flieg score (79.12; good category). Nonetheless, a minimum dose of 2% EM4 and 2% molasses was already capable of producing acceptable physical silage characteristics.]]>
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