Open sea raft culture of green mussel at Calicut

Abstract

Employing coir ropes of 5-8 m length, suspended from 6 X 5 m and 8 x 8 m teak wood rafts anchord in the open sea off Calicut at depths 8-10 m, transplanted green mussel seed (20-30 mm size) show a fast growth ranging from 10.6 mm to 13.5 ram per month reaching harvestable size of 80 mm in 5 months. A production range of 4.4 kg to 12.3 kg per metre length of rope has been achieved. Meat content ranges from 34.82-40.5 %,