Citation:Kumara, K.R.P.S., Hettiarachchi, M. and Jayarathne, L.D. 2013. Production of WSSV, MBV and vibrio free good quality post larvae of shrimp, Penaeus monodon without using broad spectrum antibiotics. Proceedings of the 33rd Annual Sessions of the Institute of Biology, 27th September 2013. pp 43.