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      • Undergraduate Theses
      • UT - Faculty of Fisheries and Marine Science
      • UT - Aquatic Resources Management
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      Pengaruh Pemberian Probiotik Komersial Terhadap Penurunan Populasi Sel Escherichia coli dalam Air

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      Date
      2021-04-16
      Author
      Abdillah, Robi Faja
      Widigdo, Bambang
      Yuhana, Munti
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      Abstract
      Perkembangan bakteri patogen Escherichia coli dapat menyebabkan penurunan kualitas perairan apabila memiliki populasi yang melebihi baku mutu. Jumlah bakteri E. coli dapat dikendalikan dengan menggunakan probiotik komersial yang mengandung bakteri Streptomyces. Penelitian ini bertujuan untuk menentukan dosis probiotik yang efisien untuk mengendalikan jumlah populasi bakteri E. coli di dalam air tawar. Probiotik didapat dari produk komersial yang beredar di pasar dan air uji diperoleh dari Situ Gede, Kabupaten Bogor. Probiotik dimasukkan kedalam air dengan dosis 0,1 ppm, 0,5 ppm dan 1,0 ppm dan kontrol, dengan desain penelitian menggunakan rancangan acak lengkap yang masing masing diulang sebanyak tiga kali. Pengamatan pertumbuhan bakteri berupa Total Plate Count (TPC), diamati sebelum perlakuan dan setiap 12 jam setelah perlakuan. Parameter kualitas air sebagai penunjang meliputi parameter suhu, oksigen terlarut dan pH. Hasil pengamatan yang dilakukan selama 36 jam menunjukkan bahwa dosis 0,5 ppm merupakan dosis yang paling signifikan dalam menekan pertumbuhan populasi E. coli.
       
      The growth of E. coli pathogenic bacteria can lead to decrease the quality of the waters if it has a population that exceeds the quality standard. The amount of E. coli bacteria can be controlled by using commercial probiotics contained Streptomyces bacteria. The study aims to determine efficient doses of probiotics to control the number of populations of E. coli bacteria in freshwater. Probiotics are obtained from commercial products circulated on the market and test water is obtained from Situ Gede, Bogor Regency. In one liter of test water was inserted probiotics with doses of 0.1 ppm, 0.5 ppm and 1.0 ppm and control, with the research design using RAL which was repeated three times each. Observation of bacterial growth in the form of Total Plate Count (TPC), observed before treatment and every 12 hours after treatment. Water quality parameters as supporting which include temperature parameters, dissolved oxygen and pH. Observations made over 36 hours showed that a dose of 0.5 ppm was the most significant dose of suppressing E. coli population growth
       
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      http://repository.ipb.ac.id/handle/123456789/106625
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      • UT - Aquatic Resources Management [2679]

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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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