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All Journal Jurnal Veteriner JOURNAL OF COASTAL DEVELOPMENT BIOTROPIA - The Southeast Asian Journal of Tropical Biology Indonesian Aquaculture Journal Journal of Aquaculture and Fish Health PENA AKUATIKA : JURNAL ILMIAH PERIKANAN DAN KELAUTAN
slamet budi prayitno
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Earth & Planetary Sciences Education Immunology & microbiology Social Sciences Veterinary

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Activity of Cellulolytic Bacteria Isolated From The Digestive Tract Of Jerbung Shrimp (Feneus marguensis) Fitriadi, Ren; Sabdaningsih, Aninditia; Budi Prayitno, Slamet; Soedibya, Petrus Hary Tjahja; Sarjito, Sarjito; Subagiyo, Subagiyo
Journal of Aquaculture and Fish Health Vol. 14 No. 1 (2025): JAFH Vol. 14 No. 1 February 2025
Publisher : Department of Aquaculture

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jafh.v14i1.66897

Abstract

Bacteria found in the digestive tract of shrimp mostly play a major role in nutrient absorption. One of the nutritional contents that is quite difficult for shrimp to absorb is fiber. Bacteria that can degrade fiber content are known as cellulolytic bacteria. This study aimed to determine the activity index of cellulolytic bacteria found in the digestive tract of shrimp. The research method includes sampling shrimp with three different categories based on average length and weight, divided into three categories such as large (22.2 g ± 87.3 cm), medium (17.1 g ± 36.7 cm), and small (13.4 g ± 18.8 cm) taken from the north coast waters of Pemalang and the south coast waters of Cilacap. Furthermore, bacterial isolation, morphological observation, calculation of bacterial abundance, and testing of cellulolytic activity were carried out. The results showed that 150 bacteria were successfully isolated from both locations at different sizes and a total of 68 bacterial isolates had cellulolytic activity. There were 22 potential isolates from each coastal water that had a great cellulolytic activity index, ranging from 1.4 to 7.0. Moreover, the most potential activities were performed by 8 bacterial isolates encoded with GM.1, GM.2, GM.3, GM.4, GM.5, GM.6, GM.7, and GM.8 with a range of cellulolytic index obtained ranging from 3.0-7.0. The high activity index of the cellulolytic bacteria obtained is a fairly promising potential as a probiotic candidate that plays a role in degrading fiber in food found in the digestive tract of shrimp so that it can accelerate its growth.
Co-Authors Aninditia Sabdaningsih Bagus Rimbayu Ardie Bambang Sulardiono Boedi Hendrarto Diana Rachmawati Fitriadi, Ren Gina Saptiani Gina Saptiani Istiyanto Samidjan Johannes Hutabarat Nestin E.W. Ningrum Ocky Karna Radjasa Purnama, Muhammad Romi Novriadi Rudolf Muskananfola, Max S arjito Sarjito - Seto Windarto Soedibya, Petrus Hary Tjahja Subagiyo Subagiyo Supono . Suryanti Sutrisno Anggoro VIVI ENDAR HERAWATI YS Darmanto