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      Karakteristik Fermentasi di Rumen yang Diinokulasi Konsorsium Mikroba Selulolitik Kombinasi dengan Tepung Ulva lactuca dan Gracilaria verrucosa In Vitro

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      Date
      2026
      Author
      FAUZIA, ALMASHA RAHMA
      Suharti, Sri
      Wiryawan, I Komang Gede
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      Abstract
      Penelitian ini bertujuan menganalisis pengaruh inokulasi mikroba selulolitik (bakteri selulolitik E.faecium dan fungi laut Fomitopsis sp.) dan kombinasinya dengan rumput laut tropis U. lactuca dan G. verrucosa terhadap karakteristik fermentasi rumen secara in vitro. Penelitian ini menggunakan rancangan acak kelompok (RAK) dengan tiga perlakuan yaitu P0 (kontrol), P1 (P0 + 106 CFU konsorsium mikroba selulolitik), dan P2 (P1 yang mengandung U. lactuca 2% dan G. verrucosa 2%), dan lima kelompok berdasarkan waktu pengambilan dan sumber cairan rumen. Peubah yang diamati meliputi pH, NH3, Volatile Fatty Acid (VFA) total dan parsial, rasio asetat:propionat, dan metana aktual. Hasil penelitian menunjukkan bahwa inokulasi konsorsium mikroba selulolitik 106 CFU dengan kombinasi U. lactuca 2% dan G. verrucosa 2% sangat nyata (P<0,01) meningkatkan NH3, Total VFA, dan proporsi asam propionat serta nyata meningkatkan (P<0,05) konsentrasi asam asetat, dan asam butirat. Dapat disimpulkan bahwa, inokulasi konsorsium mikroba selulolitik, baik tunggal maupun dikombinasikan dengan rumput laut, berpotensi memperbaiki karakteristik fermentasi di rumen secara in vitro.
       
      This study aimed to analyzed the effect of inoculation with cellulolytic microbes (the cellulolytic bacterium E. faecium and the marine fungal Fomitopsis sp.) and their combination with the tropical seaweed U. lactuca and G. verrucosa on in vitro rumen fermentation characteristics. This study used a randomized block design with three treatments and five blocks, consisting of P0 (control), P1 (P0 + 106 CFU of cellulolytic microbial consortium), and P2 (P1 containing 2% U. lactuca and 2% G. verrucosa) and five blocks based on sampling time and rumen fluid source. The observed variables included pH, NH3, total and partial Volatile Fatty Acids (VFAs), acetate:propionate ratio, and actual methane. The results showed that inoculation with a 106 CFU cellulolytic microbial consortium combined with 2% U. lactuca and 2% G. verrucosa highly significantly (P<0.01) increased NH3, total VFAs, and the proportions of propionic acid, and significantly (P<0.05) increased the concentrations of acetic acid, and butyric acid. It can be concluded that the inoculation of a cellulolytic microbial consortium, either singly or combined with seaweed, has the potential to improve rumen fermentation characteristics in vitro.
       
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      http://repository.ipb.ac.id/handle/123456789/175149
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      Copyright © 2020 Library of IPB University
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      Contact Us | Send Feedback
      Indonesia DSpace Group 
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