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Learn how to optimize fish health
and growth rates through the understanding and management of critical water quality parameters.
Chapter includes information on various water quality parameters including:
dissolved oxygen, temperature, nitrogen,
pH, alkalinity, carbon dioxide, and solids.
Learn about the fundamentals of biofiltration and biofilter types for RAS.
Chapters include explanation of the nitrification process, impact of water quality on nitrification, detailed descriptions of biofilter types, pros and cons of biofilter options, biofilter design considerations, and design examples.
An effective fish health management program is a critical part of a successful aquaculture business. Learn about
prevention and control of infectious disease problems in RAS. Chapter covers biosecurity, reducing introduction and spread of pathogens, monitoring and surveillance, diagnosis, and treatment.
Interest in aquaponics is growing daily. Learn about the exciting integration of fish and plant culture in RAS!
Chapter includes information on nutrient dynamics, plant growth requirements, hydroponic subsystems, plant selection, approaches to system design, pest and disease control, design examples and economics.
Maintaining good water quality and biosecurity are important for successful RAS. Learn about disinfection of inlet water and disinfection of RAS system water.
Chapter covers factors influencing disinfection efficiency, UV and ozone doses required for inactivation of fish pathogens, methods of ozone generation and transfer, and other methods of disinfection.
Managing nitrate level is an important aspect of operating a RAS. Excessive nitrate concentrations adversely impact both fish health and receiving waters.
Chapter covers stoichiometry of denitrification, factors controlling denitrification, effect of denitrification on alkalinity and phosphorus removal, types and design of denitrification reactors.
Dr. Timmons received his B.S. in Agricultural Engineering from the Ohio State University, M.S. in Agricultural Engineering from the University of Hawaii, and Ph.D. from Cornell University. Dr. Timmons has worked in the aquacultural engineering field for 35 years as a researcher, teacher, and extension specialist. He is a co-founder of th
Dr. Timmons received his B.S. in Agricultural Engineering from the Ohio State University, M.S. in Agricultural Engineering from the University of Hawaii, and Ph.D. from Cornell University. Dr. Timmons has worked in the aquacultural engineering field for 35 years as a researcher, teacher, and extension specialist. He is a co-founder of the Aquacultural Engineering Society and has served in several officer positions including President. Dr. Timmons was a J. Thomas Clark Professor of Entrepreneurship and Personal Enterprise (1999–2006) at Cornell University where he is now Graduate Professor in the Department of Biological and Environmental Engineering and the Field of Global Development. Dr. Timmons has been a principal investor in multiple startups including his latest venture in a vertically integrated tilapia farm in Vero Beach, FL. Dr. Timmons sells seafood directly to the consumer (see www.ProfessorT.fish) and provides consulting services and online learning opportunities (see eCornell.com/fish) and thus in this textbook, Dr. Timmons provides his viewpoint from an experiential perspective by being a commercial fish farmer. You can contact Dr. Timmons by email, email@example.com.
Dr. Vinci works as the Director of the Freshwater Institute, a field office and program of The Conservation Fund (Arlington, VA). He is responsible for management and administration of the Institute's day-to-day operations, as well as program delivery, communications, fundraising and development. Prior to joining the Freshwater Institute
Dr. Vinci works as the Director of the Freshwater Institute, a field office and program of The Conservation Fund (Arlington, VA). He is responsible for management and administration of the Institute's day-to-day operations, as well as program delivery, communications, fundraising and development. Prior to joining the Freshwater Institute Brian worked for the US Fish and Wildlife Service as a Research Technician and at Cornell University as a Doctoral Fellow. Dr. Vinci has worked at the Freshwater Institute since 1999, including as an Environmental Engineer and as Director of Environmental Engineering Services. He has earned a Ph.D. in Biological and Environmental Engineering, a Master of Engineering in Agricultural and Biological Engineering and a Bachelor of Science in Agricultural and Biological Engineering, all from Cornell University. He has been honored as a USDA National Needs Program Doctoral Fellow, a Cornell University Master of Engineering Program Fellow, a USAID Technical Consultant, a Vice President of the Maryland Society of Professional Engineers and a President and Director of the Aquacultural Engineering Society. Dr. Vinci is an active member of the American Society of Agricultural and Biological Engineers and the National Society of Professional Engineers. He is a licensed professional engineer (environmental) in New York, Pennsylvania and Mississippi. Dr. Vinci has extensive experience planning, designing and supporting construction of RAS projects in North America.
This self-paced course explains the basic engineering principles behind a successful recirculating aquaculture system (RAS) design. The objective of this course is to provide sufficient information so that you will be able to design, construct, and manage your own RAS system. Basic principles of business management and securing investment capital for the small family farm will also be reviewed. At the conclusion of the course, you will have received the essential information necessary to design your own system and have a fundamental knowledge of the principles influencing the numerous design options.
This four-day course presented by The Conservation Fund’s Freshwater Institute covers the fundamentals of water recirculating aquaculture systems including mass balances to maintain water quality, unit process design, fish health, biosecurity and system operation. The course includes a site visit to an operating RAS facility. Course materials provided include a binder of all presentations, supplemental materials on a USB drive, and a textbook.
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