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    • Article

      A preliminary study on the evaluation of casein, shrimp meal, squid meal and spirulina as protein sources for Penaeus monodon (Fabricius) postlarvae 

      C Lim, P Suraniranat & R Platon - SEAFDEC Aquaculture Department Quarterly Research Report, 1978 - Aquaculture Department, Southeast Asian Fisheries Development Center
      P. monodon postlarvae were fed with fresh brown mussel (Modiolus metcalfei) meat, and artificial diets containing casein, shrimp (Metapenaeus ensis) meal, squid (Loligo) meal, and Spirulina as protein sources at a rate of 20% of their biomass per day for a period of 10 days. No statistical difference was found among the weight gains of shrimp fed on various experimental diets. However, shrimp fed squid meal diet had highest weight gain followed by shrimp meal, fresh brown mussel meat, casein and Spirulina . Shrimp fed squid meal diet had a significantly better feed conversion and those receiving other experimental diets. Poorest fed conversion was observed in shrimp fed Spirulina. The protein efficiency ratio was statistically highest for the squid meal diet, with the lowest value again for Spirulina diets. Survival rate was significantly highest for shrimp fed the shrimp meal diet. No statistical differences were found among shrimp fed other experimental diets. Appropriate data are tabulated.