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1.1.3 Galveston system
This system was developed in the Galveston laboratory, USA (Cook and Murphy, 1966). In this system, rearing of brood stock, spawning hatching, larval rearing and live feed culture are done separately in separate tanks. Since live feeds were not cultured in the larval rearing tank (LRT), the water in the LRTs remained clear. Therefore this system is also referred as clear water rearing system. In this clear water system further developments took place leading to the development of larval feeds and advanced larval rearing conditions. Thus resulting in higher survival rate, better economical seed production, etc. Hence, this system is widely followed in many countries for the shrimp seed production and has been successful for many other species of crustaceans. Therefore further refinement of technologies were developed keeping with the clear water system as the base. |
Last modified: Sunday, 25 December 2011, 6:00 AM