o Develop biological, mechanical, and chemical methods to 

 remove natural and man-made contaminants from water 

 supplies for culture systems 



o Compare aquaculture production systems having 



self-contained filtraton systems, which do not require an 

 effluent discharge, for use in aquaculture production 



Control of disease and parasites 



Basic research would be expanded on characteristics and modes of 

 infection of diseases, and their prevention and control. Improve 

 knowledge of disease organisms and develop appropriate control 

 techniques. 



Research programs would be expanded to determine methods needed to 

 control disease and parasites responsible for mortalities or 

 conditions detrimental to growth of cultured organisms. The 

 research would include understanding the life histories of disease 

 organisms, development of curative and prophylactic treatments, and 

 providing assistance to States for the development of seed stock 

 certification programs. Action would be taken to: 



o Identify and describe life cycles of important parasites 

 and diseases 



o Improve diagnostic methodology for pathogens 



o Develop specific pathogen free stocks to provide to the 

 commercial freshwater finfish industry 



o Define the relationship between fish health and nutrition 



o Conduct a literature survey to identify pathogens 



associated with nonindigenous species which have potential 

 use in domestic production 



o Establish a central data storage and retrieval capability 

 for monitoring regional and National health problems in 

 aquatic species 



o Intensify research on immunology and development of 



vaccines and vaccine delivery systems in order to control 

 pathogens 



Production of seed 



Research would be conducted to improve understanding of mass 

 culture in order to increase control of behavioral and reproductive 

 processes so that the necessary stocks of seed and juvenile 

 organisms can be developed. Efforts would include initiatives to: 



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