The Analysis of Water Quality and Microbiota That Applied Photosynthetic Bacteria (Rhodobacter sp. and Rhodococcus sp.) in Catfish Ponds (Pangasius sp.)

Adi suriyadin, Sinung Rahardjo, Heny Budi Utari


Intensive aquaculture activities are very important to increase production, but in the intensive cultivation process got various problems arise, especially those related to water quality and fish health. Therefore this study aims to analysis the water quality and microbiota that applied photosynthetic bacteria (Rhodobacter sp. and Rhodococcus sp.) in catfish ponds (Pangasius sp.). This study was designed using a completely randomized design (CRD) consisting of two treatments and one control with three replications each. The treatments used consisted of treatment A (0.2 mg/L), treatment B (0.5 mg/L) and C (control). The results showed that the aplication of photosynthetic bacteria (Rhodobacter sp. and Rhodococcus sp.) In catfish ponds (Pangasius sp.) can improve water quality, especially water chemical parameters, seen in the lower value of nitrite (NO2), Total Ammonia Nitrogen (TAN) and Total Organic Matter (TOM), when compared to controls. In addition, biological parameters were also seen, namely the depletion of Cyanophyta (Blue Green Algae / BGA) plankton types and also the depressed percentage of the Total Aeromonas Count (TAC). 


Photosynthetic Bacteria; Water Quality; Microbial Community; Catfish (Pangasius sp.)

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