TABLE OF CONTENTS Pages Symposium 1 - the National Sea ...

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Table 1 Summaries of selected species performance in RAS systems and market prices in Australia from 1996-1999 Species Stocking density (kg/m 3 Sale weight (g) Market price Growth to sale ) ($US/kg) (months) Atlantic salmon 5-60 60-100 N/A 11-18 Barcoo grunter 30-100 300-1000 7-9 6-18 Barramundi 5-40 300-750 5-8 6-12 Golden perch N/A 300-1000 5-8 N/A Murray cod 30-100 500-2000 8-18 12-18 Rainbow trout 5-50 50-200 ~6 3-8 Shortfinned eels 100-180 250-750 2-9 12-24 Silver perch 5-30 300-600 4-8 12-24 Table 2 Summaries of RAS information for various Australian states in 1999 Australian state Number of farms Capacity (tonnes produced per annum) 12 Species NSW 25 1-25 Murray cod, silver perch, barramundi Queensland 44 1-250 Barcoo grunter, barramundi, silver perch, golden perch, sleepy cod, Murray cod. South Australia Western Australia 30 2-30 Murray cod, barramundi, snapper, silver perch, black bream. 14 N/A Barramundi, silver perch, sooty grunter, black bream Tasmania 2 1,500,000 atlantic salmon smolts Atlantic salmon, Rainbow trout. Victoria 20 1-120 Murray cod, Barcoo grunter, silver perch, shortfinned eels, barramundi
Table 3 Recirculating Aquaculture Systems Development Issues in Australia Needs Strategy/actions Improved extension material for new and recently commissioned proponents of RAS Register of RAS consultants Improved description of systems specifications. Review existing consultants accreditation processes Develop RAS stream for Seafood training package 1 Prepare an article describing essential components, uses, specifications, performance data, size requirements, and cost of RAS systems. 2 Develop a RAS communication strategy. This may take the form of: i The Victorian Recirculation Aquaculture Systems Network (Vic-RAS-Net) ii Overseas RAS and other aquaculture networks iii Economics models such as AQUAFarmerV1.1 b. Prepare a RAS bibliography which may take the form of: i Hardcopies ii Internet sites and links to existing sites c. Identify and describe key performance indicators for RAS i Identify and document ii Encourage industry to develop a Code of practice to reflect “best practice” for RAS iii Identify and circulate guidelines for the preparation of aquaculture business plans 3 Develop and list relevant criteria for consultants registration process. a. Implement periodic review process b. Review other registration processes 4 List relevant criteria/specification for limiting “performance” of systems, for example: i Food in ii Water quality iii Water exchange iv Standing crop v Referees b. Advise of training needs and services 5 Promote the aquaculture charter within the Australian Institute of Agricultural Science and Technology certified practicing aquaculture process. i Consult with DNRE regarding Government accredited referral processes with input from Victorian Government and Industry 6 Working group to review draft material 13
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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
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Hydrodynamics in the ‘Cornell-Typ
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The ideal mean residence time was a
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A sample pellet-flushing test is sh
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tank’s dead time. When fish were
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Partial-Reuse Systems Ideally, the
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Figure 1. The partial-recirculating
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Table 1. Mean values (± standard e
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dioxide (1) and un-ionized ammonia
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Comparative Growth of All-Female Ve
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Effects of Temperature and Feeding
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aquaculture systems, where the envi
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Figure 2. Growth relationships of y
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greater than the desired temperatur
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Figure 3. Cumulative feed consumpti
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35 days into the experiment, and th
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C. Maximum specific feed consumptio
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of the fish used in this experiment
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Coche, A.G. Cage culture of tilapia
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Predictive Computer Modeling of Gro
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new studies begun. Daily water qual
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Development Rationale for the Use o
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Further, reduction in operating cos
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The operation of the MRBF is domina
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equired a high frequency of washing
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Several dramatically different hull
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support airlift applications. These
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
Page 266 and 267: planning at the outset will, more t
Page 270 and 271: a) Photo courtesy of Neil Armstrong
Page 272 and 273: Information flow 1. Initial concept
Page 274 and 275: achieve continuous production, faci
Page 276 and 277: Solids Removal (9.71%) Electricity
Page 278 and 279: The Effect of Fish Biomass and Deni
Page 280 and 281: Marine Denitrification of Denitrifi
Page 282 and 283: (a) (b) (c) Nitrate conc. (mg NO 3
Page 284 and 285: 6. Poxton, M. G. and S. R. Allouse.
Page 286 and 287: control unit. Two distinct advantag
Page 288 and 289: the many variables that are involve
Page 290 and 291: Filtration Recirculation systems re
Page 292 and 293: 6. AERATION DEVICE: 6” airstones
Page 294 and 295: Piper, R.G., I.B. McElwain, L.E. Or
Page 296 and 297: carried out for both the 50 m 3 and
Page 298 and 299: possible to predict mean monthly ta
Page 300 and 301: Recirculation Systems for Farming E
Page 302 and 303: of this pilot-system will be evalua
Page 304 and 305: Figure 2. The main screen of the en
Page 306 and 307: What: What is your business structu
Page 308 and 309: should more than offset the costs o
Page 310 and 311: • Any other documents indicating
Page 312 and 313: production projects. Once these par
Page 314 and 315: A single discharge pipe works to re
Page 316 and 317: 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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