PRODUCTIVITY AND ECONOMICS OF SHRIMP (Penaeus monodon, FABRICIUS) CULTURE IN LOW SALINITY WATERS

Mohammad Faruque  Moyaduzzaman; Mohammed  Mostafa; Md. Nazmul  Hasan

doi:10.53808/KUS.2008.9.2.0816-L

Authors

Mohammad Faruque Moyaduzzaman Fisheries and Marine Resource Technology Discipline, Khulna University, Khulna 9208, Bangladesh
Mohammed Mostafa Fisheries and Marine Resource Technology Discipline, Khulna University, Khulna 9208, Bangladesh
Md. Nazmul Hasan Fisheries and Marine Resource Technology Discipline, Khulna University, Khulna 9208, Bangladesh

DOI:

https://doi.org/10.53808/KUS.2008.9.2.0816-L

Keywords:

Black tiger shrimp, Penaeus monodon, shrimp culture, low salinity and economic return

Abstract

Black tiger shrimp, Penaeus monodon (Fabricius) is a non-piscine organism becomes most important aquatic resource of Bangladesh in the last decades. Traditionally it is cultured in 15-30 ppt salinity. Effect of different low salinity on its survival, growth, production and economic return was observed in three salinity levels 10 ppt, 7 ppt and 5 ppt for 110 days. Juvenile shrimps (approximately 5g each) were stocked at 4 m^-2density. It was observed that salinity had no significant effect on the survival of P. monodon. However, reduced salinity had significant (p< 0.05) negative impact on individual average growth rate, average weight gain per 14 days, production per unit area (ton/ ha.) and thus economic return. This study revealed that although P. monodon culture is possible in low salinity, the higher salinity ensures better production and economic return.

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