Feasibility of bi-culture of mud crab (Scylla serrata) and shrimp (Penaeus monodon)
A study on the feasibility of bi-culture of mud crab (Scylla serrata) and shrimp (Penaeusmonodon) in brackishwater earthen ponds (0.1 ha each) was carried out for a period of fivemonths (March-August). Nursed shrimp juvenile (ABL:· 3.36±0.23 em and ABW: 0.26±0.04g) and crab juvenile (ACL: 2.61±0.22 cm, ACW: 4.63±0.11 cm and ABW: 43±2.64 g) werestocked following the experimental design of shrimp 2/m2 (Treatment-1), shrimp 2/m2 andmud crab l/m2 (Treatment-2) and shrimp 2/m2 and mud crab 0.5/m2 (Treatment-3). Crabswere fed with chopped trash tilapia @ 10~5%, while shrimp were fed with Saudi-Banglashrimp feed @ 3~5% of biomass twice daily. Significantly (p<0.05) higher specific growthrate (SGR) of shrimp and mud crab was 1.86% (g/day) in T2 and 0.83% (g/day) in T3,respectively. The survival of shrimp and mud crab also varied significantly (p<0.05) with ahigher mean value of74.63% in Tl and 51.04% in T3, respectively. The production of shrimp(424.09 kg/ha) was significantly (p<0.05) higher in Tl and that of mud crab (568.80 kg/ha) inT2. Significantly (p<0.05) highest total production of 871.29 kg!ha was in T2 followed by708.52 kg/ha in T3 and 424.09 kg/ha in Tl. The results indicate that mud crab can be culturedat a stocking rate of 1/m2 together with shrimp at 2/m2•
| Main Authors: | , , , |
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| Format: | article biblioteca |
| Language: | English |
| Published: |
2007
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| Subjects: | Aquaculture, Fisheries, Mud crab, Tiger shrimp, Bi-culture, |
| Online Access: | http://hdl.handle.net/1834/33342 |
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| Summary: | A study on the feasibility of bi-culture of mud crab (Scylla serrata) and shrimp (Penaeusmonodon) in brackishwater earthen ponds (0.1 ha each) was carried out for a period of fivemonths (March-August). Nursed shrimp juvenile (ABL:· 3.36±0.23 em and ABW: 0.26±0.04g) and crab juvenile (ACL: 2.61±0.22 cm, ACW: 4.63±0.11 cm and ABW: 43±2.64 g) werestocked following the experimental design of shrimp 2/m2 (Treatment-1), shrimp 2/m2 andmud crab l/m2 (Treatment-2) and shrimp 2/m2 and mud crab 0.5/m2 (Treatment-3). Crabswere fed with chopped trash tilapia @ 10~5%, while shrimp were fed with Saudi-Banglashrimp feed @ 3~5% of biomass twice daily. Significantly (p<0.05) higher specific growthrate (SGR) of shrimp and mud crab was 1.86% (g/day) in T2 and 0.83% (g/day) in T3,respectively. The survival of shrimp and mud crab also varied significantly (p<0.05) with ahigher mean value of74.63% in Tl and 51.04% in T3, respectively. The production of shrimp(424.09 kg/ha) was significantly (p<0.05) higher in Tl and that of mud crab (568.80 kg/ha) inT2. Significantly (p<0.05) highest total production of 871.29 kg!ha was in T2 followed by708.52 kg/ha in T3 and 424.09 kg/ha in Tl. The results indicate that mud crab can be culturedat a stocking rate of 1/m2 together with shrimp at 2/m2• |
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