Citation:Chandrasiri, M.A.C.D. and Hettiarachchi, M. 2005. Effect of a commercially available probiotic on growth and survival of an ornamental fish, Guppy, Poecilia reticulata. Proceedings of the 10th Annual Scientific sessions of the Sri Lanka Association for Fisheries and Aquatic Resources, Sri Lanka Association for Fisheries and Aquatic Resources, Colombo, Sri Lanka. (Abstract) p.21.