| abstract |
The present invention provides a fish amoeba extermination method, a fish amoeba extermination chemical bath solution, a fish amoeba extermination agent and a feed which have a high extermination effect on amoeba at a low concentration and can be used at low cost and safely. [MEANS FOR SOLVING PROBLEMS] A medicinal bath solution in which an active ingredient is dissolved or dispersed in water, which is used to combat amoebial protists that parasitize fish, wherein the active ingredient is thymol, cinnamaldehyde, perillaldehyde, Geraniol and one or more compounds selected from the group consisting of isomers and derivatives thereof, a bath solution for amoebic control of fish having a concentration of 0.3 to 20 ppm, and immersing fish in the chemical solution A fish amoeba control method, a fish amoeba control agent containing the active ingredient, and a fish feed containing the same. [Selection figure] None |