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Iskandar Putra
Department Of Aquaculture, Faculty Of Fisheries And Marine, Universitas Riau
Agriculture, Biological Sciences & Forestry Earth & Planetary Sciences Economics, Econometrics & Finance Environmental Science Immunology & microbiology Social Sciences

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Isolation of Lactic Acid Bacteria (LAB) from Digestive Tract of Asian Swamp Eel (Monopterus albus) and Bacterial Antagonist Test to Inhibit Pathogenic Bacteria Aeromonas hydrophila and Pseudomonas sp Rudi Alfinda; Iesje Lukistyowati; Henni Syawal; Iskandar Putra
Jurnal Perikanan dan Kelautan Vol 27, No 3 (2022): October
Publisher : Fakultas Perikanan dan Kelautan Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jpk.27.3.412-420

Abstract

Lactic Acid Bacteria (LAB) are probiotic-forming bacteria that have characteristics, like be able to ferment sugar or carbohydrates and produce lactic acid as the final product of fermentation. The purpose of this study was to obtain isolates of lactic acid bacteria from the digestive tract of Asian Swamp Eel (Monopterus albus) and to determine the inhibition produced by these lactic acid bacteria in inhibiting pathogenic bacteria such as Aeromonas hydrophila and Pseudomonas sp. The method was used in this study is experimental method, by taking the digestive tract of Asian Swamp Eel and then identifying the lactic acid bacteria and characterized by morphological and biochemical characteristics and tested of the antagonist against the pathogenic bacteria Aeromonas hydrophila and Pseudomonas sp. using the Kirby Bauer disc method (disc method). From the research results obtained 5 types of candidate lactic acid bacteria with each code BL121, BL263, BL142, BL242 and BL342. The five isolates of lactic acid bacteria were able to inhibit Aeromonas hydrophila and Pseudomonas sp. with a Inhibition range of 8-16 mm. Based on the results of the study, there were three isolates that had inhibitory power against bacteria A. hydrophila (12-16 mm) and Pseudomonas sp (11-13 mm) with codes BL121, BL263 and BL142 and were classified as strong. The identification results obtained are bacteria from the genus Bacillus sp
Budidaya Kangkung dan Ikan Lele Dengan Sistem Aquaponik di Kelurahan Tobekgodang Iskandar Putra; Abrar Bayu Samudra; Artharisa Julia Hamdany; Dwi Pungga Rahmayani; Muhammad Alvi Syahrin; Nurul Fadilah; Raka Aditya Pratama; Silqi Khanifah; Tassya Monica; Tiyah Fadhilah
Dirkantara Indonesia Vol. 1 No. 2: September-Februari 2023
Publisher : PT. Cendekia Sapta Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55837/di.v1i2.50

Abstract

These kale and catfish plants can be developed into aquaponic cultivation. Aquaponics is the concept of developing a bio-integrated farming system, which is a series of technologies that combines aquaculture techniques and hydroponic farming techniques. Where fish farming waste is in the form of metabolic waste and leftover feed used as nutrients for plants. Thus, research can be carried out that aims to find out how to cultivate water spinach and catfish using an aquaponics system to take advantage of minimally sized vacant land. The methods applied in aquaponic cultivation are the manufacture of aquaponic growing media, aquaponics maintenance and care, and the process of harvesting kale. The resulting kale plants have different growths, ranging from plant height, number, width, and leaf color. One of the differences that occur in the growth of kale is caused by the nutrients obtained from catfish that do not meet the needs of kale. The height of the kale also affects the color of the leaves, which causes some of the kale leaves to turn yellow.
Co-Authors Abrar Bayu Samudra Artharisa Julia Hamdany Dwi Pungga Rahmayani Henni Syawal Iesje Lukistyowati Muhammad Alvi Syahrin Nurul Fadilah Raka Aditya Pratama Rudi Alfinda Silqi Khanifah Tassya Monica Tiyah Fadhilah