Studies on the growth of penaeid prawns: 1. Length-weight relation and condition factor under different levels of feeding

S.R.S. Nair, H.K. Iyer, C.B.L. Devi, M.K. Kutty

Abstract



Length-weight relation and earthworm feeding conditions under different levels for Penaeus indicus and Metapenaeus dobsoni were estimated. Length-weight exponent in both species was unaffected by the feeding levels and the consequent differences in the growth rate. The coefficient of condition k was surprisingly constant in both the species although the growth rates varied considerably with the feeding level. This may be because the prawns were fed by earthworm alone which probably did not constitute a complete diet. The low values of k irrespective of the feeding level supports this conclusion. The condition factor did not indicate any change with increase in size of the prawn

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