Objective:An investigation had been carried out to find out how serious Paralichthys olivaceus were suffered from a pathogen called Miamiensis avidus, how to culture the parasites in the laboratory, how the environmental factors influence the population density, the rate of natural increase and the generation time. The molecular phylogenetic trees were custructed to reveal the relationship of Miamiensis avidus to all species of ciliatese analyzed.
Methods:(1)During April to August in 2008, the routine m...