This paper presented a knowledge management model for fish quality management. In practically, shared expertise is a proprietary knowledge asset that is exclusively held by knowledge workers and is shared in their work or embedded in information system technology. Knowledge management might be individuals as well as organisations who share one or more qualities. This is better to buil a network in which people or organisations believe that they are members of a group or system, developing emergent qualities. 
This paper focuses on farmers’ knowledge on implementing new farming systems to manage fish diseases and take a needed step in assuring their disease management quality