Abstract:

Two experiment sites named Baojieqiao and Shitangqiao were set to study the relation between silver carp,bighead carp and algae from July to September in 2008. The ordinary biology methods were applied to calculater parameters of body length, body weight, index of digestive gland, index of intestine length, fullness index, condition facor and or so.The result showed that Microcystis and Oscillatoria could not be digested completely by silver carp and bighead carp, but the being form could be destroyed. It could be concluded that silver carp and bighead carp could help to treat algae in some way.