Hatchery seed production of giant freshwater prawn,Macrobrachium rosenbergiiusing inland ground saline water in India

Abstract

The suitability of inland saline water (ISW) from the Lahli‐Baniyani Fish Farm, Rohtak was investigated for the larval rearing of giant freshwater prawn (GFP), Macrobrachium rosenbergii. Six experiments were conducted. In Experiment‐I, 54% of the larvae metamorphosed to postlarvae (PL) in constituted seawater (CSW) whereas total mortality occurred at larval stages (LS)‐II and LS‐III in ISW with salinity of 12 g L−1. Larvae survived to LS‐IV in Experiment‐II, when ISW was supplemented with K+~ SW. In Experiment‐III, total hardness in ISW was reduced serially, but K+ ~ SW was supplemented. The larvae did not survive beyond LS‐V. In Experiment‐IV, ISW was amended with different ratios of Mg2+/Ca2+ and K+ ~ SW. The larvae successfully metamorphosed to postlarvae with highest survival of 51.6% in Mg2+/Ca2+ ratio of 2.5. In Experiment‐V, eight larval cycles were run with water quality used in Experiment V, where all the cycles produced PL's with a survival rate of 20–67%. In Experiment VI, the larvae were reared in Mg2+/Ca2+ ratio of 2.5 and different levels of K+ to optimize its requirement. The ISW amended with K+ 80% ~ SW and Mg2+/Ca2+ ratio of 2.5 was found to be commercially suitable for the seed production of GFP.

Survival and Growth of Tiger Shrimp (Penaeus monodon) in Inland Saline Water Supplemented with Potassium

“…Rahman et al [3] have reported higher survival of P. monodon in ISW when the level of calcium was reduced from 921.8 mg/L to 200 mg/L at a salinity of 12.5 g/L. High level of calcium has also been found to impair the larval development in Macrobrachium rosenbergii [11]. Wurts and Stickney [29] have correlated the survival and mortality of red drum with calcium-sodium ratio, and recommended this to be closer to 0.038.…”

“…Wurts and Stickney [29] have correlated the survival and mortality of red drum with calcium-sodium ratio, and recommended this to be closer to 0.038. Raizada et al [11] and Zang et al [30] have given importance to Mg 2? /Ca 2?…”

“…(potassium chloride, KCl) was supplemented (potassium supplemented ISW, PD-ISW) in ISW [1][2][3][4]. Supplementation of potassium (KCl and K-mag) has also been recommended for the survival and growth of marine fish species like Australian snapper [5], mulloway [6], barramundi [7], pacific white shrimp [8][9][10] and the giant freshwater prawn larvae [11] in ISW. ISW is different from coastal seawater in both salinity and ionic quality which varies from place to place and also depends on the depth of water aquifer, soil structure, and rainfall or drought [12].…”

“…ISW is different from coastal seawater in both salinity and ionic quality which varies from place to place and also depends on the depth of water aquifer, soil structure, and rainfall or drought [12]. The ionic quality of ISW of India, Australia and the USA have been evaluated and major differences have been observed in the levels of potassium, calcium and magnesium in comparison to seawater [3,5,11,[13][14][15]. The ionic composition of ISW is more important than salinity for shrimp survival and growth.…”

Farming of giant freshwater prawn (Macrobrachium rosenbergii) in Bagerhat, Bangladesh

“…These production rates are lower than other prawn producing countries, such as China, India, Taiwan, Thailand and Vietnam (Weimin and Xianping 2002;Raizada et al 2005;Vicki 2007). It has reported that the present level of annual prawn production can be increased to 1500-2500 kg/ha/year through the application of advanced technologies (Katalyst 2009).…”