Study on the Application of Bacillus Coagulans to Purify Aquaculture Water

Abstract:

A concentration of 1.2×108 cfu/mL Bacillus coagulans YX-6 was poured into the shrimp culture ponds with the concentration of 1000mL/667m2, and the water quality such pH, DO, NH+4-N content, NO-2-N content, and the death quantity of the shrimp were studied for 7 days. It was demonstrated that the Bacillus coagulans YX-6 could improve water quality in contrast with the control group. The results indicated that the pouring of Bacillus coagulans YX-6 can help to keep the pH 8.0~8.3, increase the DO content of farming pond, and it degraded the NH+4-N from 1.7 mg/L to 0.35 mg/L, simultaneously, it decrease the NO-2-N from 0.64mg/L to 0.05 mg/L, and it decrease the average death rate of the shrimp as 50%（P<0.05）.

• Periodical: Advanced Materials Research (Volumes 343-344)
• Pages: 988-993
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.343-344.988
• Online since: September 2011
• Authors: Jun Wang, Lin Zhao
• Keywords: Aerobic Denitrification, Bacillus coagulans, Shrimp Ponds, Water Quality

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