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Information Journal Paper

Title

COMPARE THE GROWTH, SURVIVAL AND TOTAL PRODUCTION OF FENNEROPENAEUS INDICUS IN MONO AND BICULTURE SYSTEMS WITH FENNEROPENAEUS SEMISULCATUS IN TIAB AREA (HORMOZGAN PROVINCE)

Pages

  11-20

Abstract

 This study was performed of one on the farms in Tiab Area HORMOZGAN PROVINCE in 2004. In this research to obtain aims used two treatments (one for each species) and 3 replicats. postlarvaes were stocked at a density 18 ind/m2 with rate 20% fenneropenaeus semisulcatus and 80% FENNEROPENAEUS INDICUS.Shrimp were fed by imported pellet on the basis of standard feeding table. In order to obtain the growth rate and calculation of daily feeding, shrimp became biometry twice a month. Some of the physicochemical factors such as pH, dissolved oxygen and salinity were measured twice a month too.Results revealed that mean weight of fenneropeneaeus indicus were about 13.51±1.02 gr and 11.44±0.34 gr respectively for biculture and MONOCULTURE systems and the diference was significant (P<0.05).Final production of fenneropeneaeus indicus were 1042 kg/ha and 1666 kg/ha respectively in biculture and MONOCULTURE systems and diference was significant (P<0.05(.Also Survival rate of shrimp were 81% in MONOCULTURE systems and 54% biculture system. The most important reason for the low production and low survival of shrimp in biculture system that is we didn’t use the especial food for fenneropenaeus semisulcatus. This kind of shrimp couldn’t use the food and the unused the food changed to waste mater that has caused the bad environmental condition and decreasing of survival rate and final production.

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