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All Journal Vegetalika Agriprima : Journal of Applied Agricultural Sciences Jurnal Ilmiah Inovasi J-Dinamika: Jurnal Pengabdian Kepada Masyarakat BERNAS: Jurnal Pengabdian Kepada Masyarakat Meta: Journal of Science and Technological Education SEJAGAT : Jurnal Pengabdian Masyarakat
Liliek Dwi Soelaksini
Politeknik Negeri Jember
Religion Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Computer Science & IT Decision Sciences, Operations Research & Management Dentistry Education Engineering Environmental Science Languange, Linguistic, Communication & Media Mathematics Neuroscience Nursing Public Health Social Sciences Veterinary Other

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Journal : Meta: Journal of Science and Technological Education

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Colony Growth Rate and Morphological Characterization of Bovine Rumen Bacteria in Fermented Liquid Triono Bambang Irawan; Indra Satria Kusuma; Liliek Dwi Soelaksini; Anni Nuraisyah
META: Journal of Science and Technological Education Vol. 3 No. 2 (2024)
Publisher : Aspirasi Masyarakat Intelektual Islam Nusantara

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Abstract

Bovine rumen bacteria consist of diverse microorganisms essential for processing manure, compost, and liquid organic fertilizer, enhancing soil fertility and nutrient availability while suppressing pests and pathogens. These bacteria include cellulose-digesting species such as Bacteroides succinogenes, Ruminococcus flavefaciens, and Ruminococcus albus, which produce cellulase enzymes for organic matter decomposition. Morphologically, cellulolytic bacteria are categorized into coccus forms (Ruminococcus flavefaciens and Ruminococcus albus) and rod forms (Bacteroides succinogenes and Butyrivibrio fibrisolvens), with Gram-positive and Gram-negative cell walls. This study examined the growth and morphology of bovine rumen bacteria in fermented liquid over three weeks. Colony counts increased from 4.75 × 10⁶ CFU/mL in week 1 to 2.92 × 10⁷ CFU/mL in week 2 and 6.2 × 10⁸ CFU/mL in week 3. Colony morphologies included colors (pink, yellow, blue center), sizes (small, medium, large), shapes (circular, irregular), elevations (raised, convex, unbonated), surfaces (smooth, mucoid), and edges (regular, irregular). Predominant bacterial cell shapes were bacillus, with Gram-positive staining. These findings underscore the potential of bovine rumen bacteria in organic waste fermentation and nutrient cycling.
Co-Authors Ahmad Maulana Zarkazi Ana Uzunul Mauidah Anni Nur Aisyah Anni Nuraisyah Anni Nusraisyah Cici Nia Dela Dewi Puspa Arisandi Elfrida Ratnawati Erdiansyah, Iqbal FNU Damanhuri FNU Herlinawati Ilham Muhklisin Indra Satria Kusuma Irma Harlianingtyas Jumiatun Jumiatun Jumiatun Jumiatun Krismiratsih, Fitri Niko Atha Ramadhan Nurfadilah Nurfadilah Rudi Wardana Sania Vista Dianti Satria Indra Kusuma Tirto Wahyu Widodo Triono Bambang Irawan Triono Bambang Irawan Trisnani Alif Vivin Apria Yesi Yustika Apriliya Arofah