Ratnakar Mishra, Dr. Praveen Tamot and Vipin Vyas

A 90 days feeding trial was carried out to evaluate the effects of different carbon sources (sugar beet molasses: SBM + BFT, sugar: S + BFT, corn starch: CS + BFT) on growth performance, for common carp fry. Results showed a significant difference in water quality parameters among different culture systems; CS + BFT had the lowest amount of total ammonia nitrogen (TAN) at the end of culture period. Results showed the fish weight was the highest in CS + BFT. Overall, this study suggests that microbial flocs formed in corn starch based biofloc can improve common carp growth performance and survival rate of common carp under zero water exchange and hence ensures sustainability.

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