A process is described for the introduction of health and/or welfare modifying agents, such as vaccines, to water-living animals such as fish. The health and/or welfare modifying agents are introduced into and across an epithelial membrane, such as the gill membrane, of the water-living animal by contacting...http://www.google.fr/patents/US4333922?utm_source=gb-gplus-shareBrevet US4333922 - Method for the treatment of water-living animals with health modifying agents
Method for the treatment of water-living animals with health modifying agents
