Asian Journal of Microbiology, Biotechnology & Environmental Sciences Paper

Vol 20, Feb. Suppl. Issue, 2018; Page No.(189-195)

INTRODUCING PROBIOTICS IN IMPROVING WATER QUALITY IN FISH PONDS OF SREEPARU IN ANDHRA PRADESH, INDIA

JYOTHI KSHATRI, C.V. RAO AND VIJAYA SARADHI SETTALURI

Abstract

Aquaculture also known as fish farming is one of the methods for breeding rearing and harvesting of freshwater and marine species of fish and shellfish, in ponds, rivers, lakes and oceans. In this work an attempt has been put forth to study and apply techniques that could help in improving the water quality in aquaculture ponds and to further understand the role played by enzymes and probiotics by means of bio remedial procedures and protocols. Aquaculture productivity needs to be improved to cater the ever increasing demand, no doubt, but simultaneously a proactive role for environment protection is required. The gathering of organic wastes worsens the water quality and reduces the level of dissolved oxygen in the fish aquaculture ponds. The major water quality was tested by varying parameters like pH, dissolved oxygen, free ammonia, total ammonia and nitrate standard values. The study was carried out on a fortnightly basis to evaluate the physico-chemical parameters of the catla and selavathi culture ponds by applying probiotics. In the present investigation, two southern ponds were selected from Sreeparu, Andhra Pradesh, India. One pond was treated with probiotics having Bacillus sps, and Bacillus megaterium. Untreated pond was kept as control. During the culture period, the water samples were collected from probiotics treated and control ponds for analysis of water quality parameters. The current study is aimed to focus on the changes in water quality and biochemical characterization of bacterial isolates from water samples of sreeparu area in probiotic treated ponds and to compare the results with ponds not treated with probiotics.

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