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Turkish Journal of Fisheries and Aquatic Sciences 2008, Vol 8, Num, 2     (Pages: 301-307)

Effects of Herbal Enriched Artemia Supplementation over the Reproductive Performance and Larval Quality in Spent Spawners of the Tiger Shrimp (Penaeus monodon)

M. Michael Babu 1 ,V. Sivaram 1 ,G. Immanuel 1 ,T. Citarasu 1 ,S.M.J. Punitha 1

1 Manonmaniam Sundaranar University, Centre for Marine Science and Technology, Marine Biotechnology Laboratory, Rajakkamangalam – 629 502, Kanyakumari District, Tamil Nadu, India Viewed : 3843 - Downloaded : 3433 The effects of methanolic extracts of two terrestrial herbs Withania somnifera (WS) and Mucuna pruriens (MP) enriched Artemia supplementation (5% of the spawner’s body weight/day) over the reproductive performance, biochemical parameters and larval quality indices in the spent spawners of Penaeus monodon were investigated. Among the three groups, MP fed group registered higher values in the reproductive performance like fecundity and frequency of spawning than the control group (P<0.05). The offspring quality in terms of egg size, fertilization rate, cumulative metamorphosis, cumulative larval survival and reduced larval abnormalities were significantly influenced by the WS supplementation when compared to the control (P<0.05). Total Protein and lipid levels were significantly higher in the WS fed group values than the control (P<0.05). WS supplementation also significantly influenced the hatching percentage, reduced larval abnormalities, cumulative metamorphosis, cumulative larval survival, haemolymph protein and lipid level than the control group (P<0.05). Both MP and WS have the potential to improve the performance of fecundity and larval quality in multiple spawning during the forced reproduction in the tiger shrimp. Keywords : Penaeus monodon, Herbal enriched Artemia, Reproduction, larval quality, multiple spawning