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support airlift applications. These units are expected to facilitate a thorough commercial evaluation of recently developed high frequency washing strategies. Care needs to be taken in the selection of air pumps delivering air to the pneumatic charge chamber so that the circulating water pump does not exceed the shutoff pressure of the air pump. Careful attention should be given to the management of sludge if potential benefits are to be realized without suffering adverse effects of anaerobic by-products such as sulfide that could be potentially introduced. References Arbiv R. and J. van Rijn. 1995. Performance of a Treatment System for Inorganic Nitrogen Removal in Intensive Aquaculture Systems. Aquacultural Engineering Vol. 14:189-203. Chen S., D. E. Coffin and R. F. Malone. 1997. Sludge Production and Management for Recirculating Aquacultural Systems, Journal of World Aquacultural Systems, Vol. 28(4), pp. 303 –315. DeLosReyes, A. A. Jr., L. E. Beecher, and R. F. Malone. 1997. Design Rationale for an Air-Driven Recirculating Systems Employing a Bubble-Washed Bead Filter. In: Timmons M. B. and T. Losordo (Eds.). Advances in Aquacultural Engineering. Aquacultural Engineering Society Proceedings III, ISTA IV, Orlando, FL, November 9-12, 1997, NRAES, New York, pp. 287-294. Drennan D. (1997a) Development of an Extremely Low Water-loss Recirculating Floating bead Filter for Biofiltration and Solids Capture on Recirculating Marine Culture Systems, Project funded by the U.S. Department of Commerce Small Business Innovative Research Program. Aquaculture Systems Technologies, LLC., New Orleans, Louisiana. Drennan D. (1997b). High Frequency Wash Airlift Bioclarifier Using Modified Floating Media for Recirculating Systems. Project funded by the U.S. Department of Agriculture Small Business Innovative Research Program. Aquaculture Systems Technologies, LLC., New Orleans, Louisiana. Golz, W. J., K. A. Rusch, and R. F. Malone. 1999. Modeling the major limitations on nitrification in floating-bead filters. Aquacultural Engineering 20, 43-61. Huguenin, J. E., and J. Colt. 1989. Design and Operating Guide for Aquaculture Seawater Systems, Developments in Aquaculture and Fisheries Science, Vol. 20, Elsevier,264 pp. Lee, P. G. 1993. Computer Automation for Recirculating Systems. In Techniques for Modern Aquaculture, edited by Jaw-Kai Wang. ASAE Publication 02-93. pp. 61-70. 11
Lee, P. G. 1994. A Review of Automated Control Systems for Aquaculture and Design Criteria for their Implementation. Aquaculture Engineering, Vol. 14:3:205-227 Malone, R. F. 1992. Floating Media Biofilter, United States Patent No. 5,126,042, June 30, 1992. Malone, R. F. 1993. Floating Media Hourglass Biofilter, U.S. Patent No.5,232,586, August 3, 1993. Malone, R. F., B. S. Chitta, and D. G. Drennan. 1993. Optimizing Nitrification in Bead Filters for Warmwater Recirculating Aquaculuture Systems. In Techniques for Modern Aquaculture, edited by Jaw-Kai Wang. ASAE Publication 02-93 (ISBN 0- 9293355-40-7;LCCN 93-71584) Malone, R. F. and A. A. DelosReyes Jr. 1997. Categories of Recirculating Systems. In: Timmons M. B. and T. Lorsordo (Eds) Advances in Aquacultural Engineering, Aquacultural Engineering Society Proceedings III, ISTA IV, Orlando FL. November 9- 12 NRAES-105, New York pp. 197-208 Malone, R. F. and L. E. Beecher. 2000. Use of Floating Bead Filters to Recondition Recirculating Waters in Warmwater Aquaculture Production Systems. Aquacultural Engineering, Vol. 22:1-2: 33-56. Sastry, B. N., A. A. DeLosReyes, Jr., K. A. Rusch, and R. F. Malone. 1999. Nitrification performance of a bubble-washed bead filter for combined solids removal and biological filtration in a recirculating aquaculture system, Aquacultural Engineering 19, 105 - 117. Whitson, J., P. Turk, and P. Lee. 1993. Biological Denitrification in a Closed Recirculating Marine Culture System. In Techniques for Modern Aquaculture, edited by Jaw-Kai Wang. ASAE Publication 02-93. Pages 458-466. Wimberly, D. M. 1990. Development and evaluation of a low-density media biofiltration unit for use in recirculating fish culture systems. Master’s Thesis, Louisiana State University, Baton Rouge, Louisiana, 162 pp. 12
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TABLE OF CONTENTS i Pages Symposium
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iii Pages Production of YY Male Til
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v Pages Special Session 2 - Volunte
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into the grow-out tanks. The airlif
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one above the other, reducing the
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nutritional requirements of summer
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Pump Functions The AMI Multi-Functi
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Introduction Commercial Application
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System Performance: Nine of these r
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electrical costs reduced by more th
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Nitrate, as the final product of th
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Culture conditions On August 1, 199
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surface area 740 m 2 /m 3 ). The co
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achieved a 750 mg/l decline in the
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ecomes possible without water repla
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tropical countries for tropical fis
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fastest absorption of nutrients fro
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Recirculation System Design; The KI
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The Japanese Aquaculture Market and
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Entrepreneurial and Economic Issues
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Our largest error though was in not
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Before You Invest. In my role as a
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are 590,000 kg/year. Prices, deprec
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Twenty-One Years of Commercial Reci
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have projects in the planning stage
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As the upward trend for seafood dem
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and the World Health Organization (
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Abstract not available at time of p
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increase the potential for bottlene
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Figure 1: Comparison of First, Seco
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Ecological and Resource Recovery Ap
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Acid mine drainage (AMD) is widespr
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and the polyphenol content (Northup
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References CAST. 1996. Integrated A
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Tilapia and Fish Wastewater Charact
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In comparison of gravity separation
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NY DEC Interaction. The owners of F
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O 2 Feed CO 2 Ammonia Figure 1. Gen
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The Hatchery The hatchery supports
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in crayfish populations, disappeara
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Table 2. Summary of average flows a
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depth decreases. Improvements in tr
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Perspective on the Role of Governme
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unprecedented in the growth of a ne
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with siting and the special equipme
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disease. We need to create environm
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Introduction Implications of Total
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The NOAA/DOC Aquaculture Initiative
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Future Directions for the NOAA/DOC
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’ Conduct research and help devel
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Information sources for aquaculture
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Tilapia is an important fish specie
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To determine the RSE of the examine
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Fig.1(a) Typical integrated olfacto
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Table 1. Relative stimulatory effic
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feeder control algorithms on a PC s
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Durant, M. D., Summerfelt, S. T., H
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The Effects of Ultraviolet Filtrati
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Table 1. The mean (N = 20) initial
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Introduction Evaluation of UV Disin
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Figure 1 Schematic of the experimen
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Table 1 Summary of the tested resul
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similar disinfection efficiency. Th
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(2) UV254 transmittance was an impo
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Materials and Method Schematic draw
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the amount of added increase by pro
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Oxygen Management at a Commercial R
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the outlet and inlet DO concentrati
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daylight hours averaged 0.5 kg DO/k
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At this time, the control (both tan
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yellow color, while the water in th
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Case Study: Genetic improvement of
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and human effort. This commitment m
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- Harold Kincaid works for the US F
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Figure 1. Production and selection
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Performance Comparison of Geographi
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Abstract Issues in the Commercializ
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The Salmon Example Salmon farming i
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Second, as the salmon farming indus
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Devlin, R.H., Yesaki, T.Y., Biagi,
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Introduction Removal of Protein and
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higher superficial air velocity gre
Page 166 and 167: Hydrodynamics in the ‘Cornell-Typ
Page 168 and 169: The ideal mean residence time was a
Page 170 and 171: A sample pellet-flushing test is sh
Page 172 and 173: tank’s dead time. When fish were
Page 174 and 175: Partial-Reuse Systems Ideally, the
Page 176 and 177: Figure 1. The partial-recirculating
Page 178 and 179: Table 1. Mean values (± standard e
Page 180 and 181: dioxide (1) and un-ionized ammonia
Page 182 and 183: Comparative Growth of All-Female Ve
Page 184 and 185: Effects of Temperature and Feeding
Page 186 and 187: aquaculture systems, where the envi
Page 188 and 189: Figure 2. Growth relationships of y
Page 190 and 191: greater than the desired temperatur
Page 192 and 193: Figure 3. Cumulative feed consumpti
Page 194 and 195: 35 days into the experiment, and th
Page 196 and 197: C. Maximum specific feed consumptio
Page 198 and 199: of the fish used in this experiment
Page 200 and 201: Coche, A.G. Cage culture of tilapia
Page 202 and 203: Predictive Computer Modeling of Gro
Page 204 and 205: new studies begun. Daily water qual
Page 206 and 207: Development Rationale for the Use o
Page 208 and 209: Further, reduction in operating cos
Page 210 and 211: The operation of the MRBF is domina
Page 212 and 213: equired a high frequency of washing
Page 214 and 215: Several dramatically different hull
Page 218 and 219: Enhancing Nitrification in Propelle
Page 220 and 221: The last filter media used in this
Page 222 and 223: Table 2. Water quality analyses wer
Page 224 and 225: 1193.67 g-NO2 m -3 d -1 with the ni
Page 226 and 227: Biofilters Used in Recirculating Fi
Page 228 and 229: The Cyclone Sand Biofilter: A New D
Page 230 and 231: Marine Biotech (Beverly, MA) 2 has
Page 232 and 233: 120.0% 100.0% 80.0% 60.0% 40.0% 20.
Page 234 and 235: Nitrification Potential and Oxygen
Page 236 and 237: diffused aeration. The experiments
Page 238 and 239: It needs to be pointed out that the
Page 240 and 241: ammonia removal rate was low in the
Page 242 and 243: Tanaka, H. and Dunn, I. 1982. Kinet
Page 244 and 245: Ammonia removal activity was increa
Page 246 and 247: Ammonia Conc. (mg/NH 4 + -N/L) 12 1
Page 248 and 249: Antifouling Sensors and Systems for
Page 250 and 251: The Vic Thomas Striped Bass Hatcher
Page 252 and 253: Introduction In the Central Valley
Page 254 and 255: Each of the two recirculation syste
Page 256 and 257: Body injury rates (% of fish) to th
Page 258 and 259: usiness expectations and limited te
Page 260 and 261: needs of the endemic Murray-Darling
Page 262 and 263: sold (Gooley et al. 1999). The dist
Page 264 and 265: In response to the large levels of
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planning at the outset will, more t
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Table 1 Summaries of selected speci
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a) Photo courtesy of Neil Armstrong
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Information flow 1. Initial concept
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achieve continuous production, faci
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Solids Removal (9.71%) Electricity
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The Effect of Fish Biomass and Deni
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Marine Denitrification of Denitrifi
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(a) (b) (c) Nitrate conc. (mg NO 3
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6. Poxton, M. G. and S. R. Allouse.
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control unit. Two distinct advantag
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the many variables that are involve
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Filtration Recirculation systems re
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6. AERATION DEVICE: 6” airstones
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Piper, R.G., I.B. McElwain, L.E. Or
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carried out for both the 50 m 3 and
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possible to predict mean monthly ta
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Recirculation Systems for Farming E
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of this pilot-system will be evalua
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Figure 2. The main screen of the en
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What: What is your business structu
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should more than offset the costs o
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• Any other documents indicating
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production projects. Once these par
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A single discharge pipe works to re
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1. Oxygen recharge rates or the abi
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2.9.1.2. Measure ammonia. 2.9.1.3.
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Discharge pipe Number used within e
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Previous efforts by the Illinois De
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media. The water enters the filter
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Table 3: Summary of pro forma cash
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References Moss, S.M. (1999) “Bio
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Propagation and Culture of Endanger
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at a rate of 2 ft 3 /kg feed/d. Sod
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Modification of D-Ended Tanks for F
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MATERIALS AND METHODS All tests wer
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The single 100 ppm hydrogen peroxid
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The Potential for the Presence of B
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The main advantage for microorganis
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organism causes disease in humans,
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Bacteria No. of Facilities No. of D
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Assanta, M.A., Roy, D. and Montpeti
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Jones, K. and Bradshaw, S.B. (1996)
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Wilderer, P.A. and Characklis, W.G.
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systems (Egusa, 1981; Mellergaard a
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ecirculating system after mortality
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Fish Health Monitoring and Maintena
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disease problems. For tilapia, a sp
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The Role of Fish Density in Infecti
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This apparent interaction between t
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References Banks, J.L. (1994) Racew
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