Effectof C:N Ratio Levels on Water Quality and Shrimp Production Parameters in Penaeus monodon Shrimp Culture with Limited Water Exchange Using Molasses as a Carbon Source

Abstract: The  main  obstacles  in  developing  intensive  shrimp  culture  is  waste  of  shrimp  farms  which  is  detrimental  to environment. Mitigating the environmental impacts of effluent discharge, shrimp culture should be implemented in  closed  system  with  limited  water  exchange.  However,  the  major  problem  associated  with  limited  water exchange  system  is  the  rapid  deterioration  in  pond,  resulting  from  increasing  concentration  ammonia  and nitrite. The  addition  of  carbon  materials  such  as  molasses  into  shrimp  culture  with  manipulating  the  carbon: nitrogen ratio level  is one of the best strategies of controlling ammonia and nitrite in shrimp culture with Limited Water Exchange Model (LWEM). Therefore, the principal aim of this study was to evaluate the effects of C:N ratio levels on water quality and shrimp production in Penaeus monodon shrimp culture with Limited Water Exchange Model (LWEM) using molasses as a carbon source. Study reveals that C:N ratio levels significantly effected on water  quality  and  shrimp  production  parameters  of  shrimp  culture  with  LWEM  using  molasses  as  carbon resource  using molasses.

Key words: C: N ratio level, water quality, limited water exchange model, molasses

Author: Pohan Panjaitan

Journal Code: jpperikanangg110001

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