Abstract: An automated immersion apparatus is described which is used for the treatment of fish with various vaccines and the like to prevent diseases in fish. The apparatus comprises a means to convey fish into a reservoir of the vaccine material and then to convey the fish out of the reservoir and release them to the environment.
Abstract: Hyperosmotic immersion method for treating water-living animals is disclosed. The animals are immersed in a hyperosmotic solution and thereafter are immersed in a health or welfare enhancing medium.