Journal of the Marine Biological Association of India

Volume 39 Issue 1&2

On the microalgal species as feed for conditioning adult oyster Crassostrea madrasensis (Preston)

Rani Palaniswamy and M.E. Rajapandian
Abstract

The rate of  removal of different  microalgal cells in suspension at specific time interval in respect of six species differing in sizes such as  TetraseImis sp, Cheafoceros sp, Chlorella sp, Dicratcria sp.,Isochrysis sp, Chromulina ap, by Crrassostrea madrasensis has been studied. The study revealed that opten exhibit a signifiant degree of selectivity in the rate of filtration of certain algae. Further it is recordede that the filteration rate is not uniform throughout the experimental period of 24 hours. Oysters showed period of high filtering activity and periods of relative quiescence.  This  study help in developing  proper feeding protocol for oyster broods basad on the species of algae, quantification of cells and timings.

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Date : 30-12-1997