W H Satyantini, ,- and M Salsabila, ,- and D D Nindarwi, ,- and A M Sahidu, ,- and A T Mukti, ,- (2020) Provision of Bacteria from Shrimp Pond Sediment Towards N/P Ratio, Plankton Abudance, and Total Bacteria in the Culture Media of White Shrimp (Litopenaeus vannamei). IOP Conference Series: Earth and Environmental Science, 441 (-). pp. 1-7. ISSN 17551307

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Abstract

This study aims to determine the effect of the administration of bacteria isolated from shrimp pond sediment Bacillus mycoides, B. subtilis, and Pseudomonas diminuta towards plankton abundance, N/P ratio, and total bacteria in the culture media of white shrimp (Litopenaeus vannamei). This experimental research using a Completely Randomized Design (CRD) consisting of four treatments based on the difference in the bacterial density, namely K(0 cell/mL),B1 (106 cells/mL), B2 (107 cells/mL),and B3 (108 cells/mL), with four replications each treatment and the shrimps were carried out for 28 days. The parameters were observed are plankton abundance, N/P ratio, and total bacteria. This research showed that probiotics could increase plankton abundance, N/P ratio, and total bacteria. The results of this research indicate that the different density of bacteria from shrimp pond sediment significantly different (p<0,05) towards plankton abundance and total bacteria in the culture media of white shrimp, while the administration of bacteria from shrimp pond sediment could increase the N/P ratio. The B3 gave the best results on plankton abundance, N/P ratio, and total bacteria of13,566.88 cells/mm3 , 7.22, and 2.93 x 109 cells/mL respectively.

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