Preliminary observations on the growth and survival of tiger prawn (Penaeus monodon Fabricius) postlarvae in pen-nurseries

Singh, Hardial and Mattai, S (1990) Preliminary observations on the growth and survival of tiger prawn (Penaeus monodon Fabricius) postlarvae in pen-nurseries. CMFRI Bulletin-National symposium on research and development in marine fisheries Sessions III & IV 1987, 44 (2). pp. 359-363.

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Abstract

In an attempt to ensure all-time availability of stocking materials of P. monodon Fabriciua, experiments have bean undertaken on a large scale in the lower Sunderbans area of West Bengal for growing the wild-caught post-larvae (10-12 mm) of the species to an advanced juvenile (35-45 mm) stage under semi-controlled conditions. Six nursery pens (0.1 ha each) have been installed in a large (60 ha) brackishwatar impoundment and stocked at the rate of 2.0-3.6 millions per hectare. Besides encouraging the growth of natural food, the postlarvae are fed with well balanced artificial diets having protein from both animal and plant origin. Encouraging results with high survival (upto 73%) end faster growth rates have been observed In some of the trial runs. Details of stocking density, growth rate, percentage survival and the feeding schedule etc. are presented and discussed. Various physico-chemical parameters recorded at regular intervals are also given.

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