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                    U.S. DEPARTMENT OF AGRICULTURE
 Warmwater Aquaculture Research Unit: Stoneville, MS
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ARS Home Southeast Area Stoneville, Mississippi Warmwater Aquaculture Research Unit People & Locations







Tim  Pfeiffer
                        Warmwater Aquaculture Research Unit

                        




                        
                        Research Fish Biologist
                        Phone: (662) 686-3164
                        
                        
                        Fax: (662) 686-3593(Employee information on this page comes from the REE Directory. Please contact your front office staff to update the REE Directory.)
                            ProjectsImproving the Productivity and Quality of Catfish Aquaculture
                                                    In-House Appropriated
                                                                    (D)Accession Number: 437404**Publications**
                                                (Clicking on the reprint icon
                                                    Reprint Icon
                                                    will take you to the publication reprint.)Biofiltration reactivation kinetics of a Cyclobio fluidized sand filter in a warmwater recirculating aquaculture system
                                                        

- (Peer Reviewed Journal)Pfeiffer, T.J., Ott, B.D. 2023. Biofiltration reactivation kinetics of a Cyclobio fluidized sand filter in a warmwater recirculating aquaculture system. North American Journal of Aquaculture. 85(2):166-173. https://doi.org/10.1002/naaq.10282.Food-based sizing criteria of bead filters with floating media in serial treatment with moving bed bioreactors
                                                        

- (Peer Reviewed Journal)Malone, R.F., Alt, D., Pfeiffer, T.J. 2022. Food-based sizing criteria of bead filters with floating media in serial treatment with moving bed bioreactors. Journal of Aquaculture Engineering. 100:1-9. https://doi.org/10.1016/j.aquaeng.2022.102298.The status of Florida pompano, Trachinotus carolinus as a commercially ready species for U.S. Marine Aquaculture
                                                        

- (Peer Reviewed Journal)Weirich, C., Riley, K., Riche, M., Main, K.L., Wills, P.S., Illan, G., Cerino, D.S., Pfeiffer, T.J. 2021. The status of Florida pompano, Trachinotus carolinus as a commercially ready species for U.S. Marine Aquaculture. Journal of the World Aquaculture Society. 52(3):731-763. https://doi.org/10.1111/jwas.12809.Evaluation of three types of structured floating plastic media in moving bed biofilters for total ammonia nitrogen removal in a low salinity hatchery recirculating aquaculture system

- (Peer Reviewed Journal)Inland marine fish culture in low-salinity recirculating aquaculture systems

- (Proceedings)Riche, M.A., Pfeiffer, T.J., Wills, P.S., Amberg, J.J., Sepulveda, M.S. 2012. Inland marine fish culture in low-salinity recirculating aquaculture systems. Bulletin of the Fisheries Research Agency. 35:65-75.Integrated approaches for improving efficiency and sustainability of low-salinity marine aquaculture production

- (Abstract Only)Wills, P.S., Riche, M.A., Pfeiffer, T.J. 2011. Integrated approaches for improving efficiency and sustainability of low-salinity marine aquaculture production [abstract]. Book of Abstracts Aquaculture America. p.489.Recovery of market size Florida pompano, grown at 3 ppt salinity, from the effects of severe osmotic stress after increasing salinity to 12 ppt

- (Abstract Only)Wills, P.S., Riche, M.A., Pfeiffer, T.J. 2011. Recovery of market size Florida pompano, grown at 3 ppt salinity, from the effects of severe osmotic stress after increasing salinity to 12 ppt [abstract]. Book of Abstracts Aquaculture America. p.490.Comparative performance of CO2 measuring methods: Marine aquaculture recirculation system application

- (Peer Reviewed Journal)Pfeiffer, T.J., Summerfelt, S.T., Watten, B.J. 2011. Comparative performance of CO2 measuring methods: Marine aquaculture recirculation system application. Aquacultural Engineering. 44(1):1-9.Inland marine fish culture in low-salinity recirculating aquaculture systems

- (Abstract Only)Riche, M.A., Pfeiffer, T.J., Wills, P.S., Amberg, J.J., Sepulveda, M.S. 2010. Inland marine fish culture in low-salinity recirculating aquaculture systems [abstract]. The Present and Future of the Aquaculture Industry.  39th United States-Japan Cooperative Program in Natural Resources (UJNR). 38-40.Use of a micro programmable logic controller for oxygen monitoring and control in multiple tanks of a recirculating aquaculture system

- (Proceedings)Foam fractionation efficiency for particulate matter removal from a low salinity, lowhead recirculating aquaculture system utilized for the culture of red drum, Sciaenops ocellatus

- (Proceedings)Evaluation of a low-head recirculating aquaculture system used for rearing Florida pompano to market size

- (Peer Reviewed Journal)Pfeiffer, T.J., Riche, M.A. 2011. Evaluation of a low-head recirculating aquaculture system used for rearing Florida pompano to market size. Journal of the World Aquaculture Society. 42:198-208.Inshore recirculating systems for the production of marine finfish

- (Abstract Only)Pfeiffer, T.J., Wills, P. 2010. Inshore recirculating systems for the production of marine finfish. Proceedings of World Congress of the International Commission of Agriculture and Biosystems Engineering, June 13-17, 2010, Quebec City, Canada. p.358.Recirculation technology – The future of aquaculture

- (Trade Journal)Pfeiffer, T.J. 2010. Recirculation technology – The future of aquaculture. American Society of Agricultural and Biological Engineers. 17(3):7-9.An evaluation of a micro programmable logic controller for oxygen 	monitoring and control in tanks of a recirculating aquaculture system

- (Abstract Only)Pfeiffer, T.J., Wills, P.S. 2010. An evaluation of a micro programmable logic controller for oxygen monitoring and control in tanks of a recirculating aquaculture system [abstract]. Book of Abstracts World Aquaculture Society. p.778.Addressing Sustainability: Energy consumption of two Atlantic 	salmon smolt hatcheries

- (Trade Journal)Colt, J., Summerfelt, S., Pfeiffer, T.J., Fivelstad, S., Rust, M. 2009. Addressing Sustainability: Energy consumption of two Atlantic salmon smolt hatcheries. Hatchery International Magazine. p.34-36.Production of Florida pompano Trachinotus carolinus in low salinity systems

- (Abstract Only)Wills, P.S., Pfeiffer, T.J., Riche, M.A. 2010. Production of Florida pompano Trachinotus carolinus in low salinity systems [abstract]. Book of Abstracts World Aquaculture Society. p.1091.Design, loading, and water quality in recirculating systems for low salinity finfish species at the USDA /ARS Sustainable Marine Aquaculture Systems facility (Fort Pierce, FL)

- (Abstract Only)Pfeiffer, T.J., Wills, P.S., Riche, M.A. 2010. Design, loading, and water quality in recirculating systems for low salinity finfish species at the USDA /ARS Sustainable Marine Aquaculture Systems facility (Fort Pierce, FL) [abstract]. Book of Abstracts World Aquaculture Society. p.777.Trials advance low-salinity culture of Cobia, Pompano, and other species

- (Popular Publication)Riche, M.A., Weirich, C.R., Pfeiffer, T.J., Wills, P.S., Davis, M. 2009. Trials advance low-salinity culture of Cobia, Pompano, and other species . Aquaculture Engineering Society Issues Forum Proceedings. 12(2):2-4.Low-head saltwater recirculating aquaculture systems utilized for juvenile red drum production

- (Peer Reviewed Journal)Pfeiffer, T.J., Wills, P.S. 2010. Low-head saltwater recirculating aquaculture systems utilized for juvenile red drum production. International Journal of Recirculating Aquaculture. 10:1-29.Optimization of feed rates and rearing densities for production of advanced juvenile red drum in recirculating aquaculture systems for stock enhancement

- (Abstract Only)Wills, P., Pfeiffer, T.J., Robinson, C., Baptiste, R. 2010. Optimization of feed rates and rearing densities for production of advanced juvenile red drum in recirculating aquaculture systems for stock enhancement [abstract]. Book of Abstracts Aquaculture America. p.1091.Nitrogen utilization from poultry processing co-products used in diets for Florida pompano

- (Abstract Only)Riche, M.A., Pfeiffer, T.J. 2009. Nitrogen utilization from poultry processing co-products used in diets for Florida pompano [abstract]. 100th American Oil Chemists' Society Meeting, May 3-6, 2009, Orlando, Florida. p.129.Researchers evaluate low-energy recirculating system for inland production of marine finfish juveniles

- (Trade Journal)Pfeiffer, T.J., Wills, P. 2009. Researchers evaluate low-energy recirculating system for inland production of marine finfish juveniles. Global Aquaculture Advocate. March/April 2009. p.44-46.Trials advance low-salinity culture of cobia, pompano, other species

- (Abstract Only)Riche, M.A., Weirich, C.R., Pfeiffer, T.J., Wills, P.S., Davis, M. 2009. Trials advance low-salinity culture of cobia, pompano, other species [abstract]. Global Aquaculture Advocate. 12(1):32-34.Particle size distribution and removal efficiency for three types of clarifiers in a warm-water, low-salinity, recirculating aquaculture system for juvenile red drum culture

- (Abstract Only)Davis, M., Pfeiffer, T.J., Wills, P. 2009. Particle size distribution and removal efficiency for three types of clarifiers in a warm-water, low-salinity, recirculating aquaculture system for juvenile red drum culture [abstract]. Book of Abstracts Aquaculture America. p.84.Ammonia excretion and oxygen consumption rates of juvenile pompano on six experimental poultry by-product diets

- (Abstract Only)Bradley, S., Pfeiffer, T.J., Malone, R., Riche, M.A. 2009. Ammonia excretion and oxygen consumption rates of juvenile pompano on six experimental poultry by-product diets [abstract]. Book of Abstracts Aquaculture America. p.36.Energy and resource consumption of land-based Atlantic salmon smolt hatcheries in the Pacific Northwest (USA)

- (Abstract Only)Colt, J., Summerfelt, S.T., Pfeiffer, T.J., Fivelstad, S., Rust, M. 2009. Energy and resource consumption of land-based Atlantic salmon smolt hatcheries in the Pacific Northwest (USA) [abstract]. Book of Abstracts Aquaculture America. p.68.Processes to improve energy efficiency during pumping and aeration of recirculating water in circular tank systems

- (Abstract Only)Colt, J., Summerfelt, S.T., Pfeiffer, T.J., Fivelstad, S., Rust, M. 2009. Processes to improve energy efficiency during pumping and aeration of recirculating water in circular tank systems [abstract]. Book of Abstracts Aquaculture America. p.344.Greenhouse gas emissions associated with direct energy inputs for a warmwater low-salinity recirculating aquaculture systems

- (Abstract Only)Pfeiffer, T.J., Wills, P. 2009. Greenhouse gas emissions associated with direct energy inputs for a warmwater low-salinity recirculating aquaculture systems [abstract]. Book of Abstracts Aquaculture America. p.275.Particle sieve analysis for solids removal efficiency for recirculating aquaculture system components

- (Peer Reviewed Journal)Pfeiffer, T.J., Osborn, A., Davis, M. 2008. Particle sieve analysis for solids removal efficiency for recirculating aquaculture system components. Aquacultural Engineering. 39:24-29.The evaluation of oxygen and carbon dioxide transfer associated with airlifts in recirculating aquaculture systems

- (Abstract Only)Hearn, R.A., Pfeiffer, T.J., Malone, R.F. 2008. The evaluation of oxygen and carbon dioxide transfer associated with airlifts in recirculating aquaculture systems. Proceedings of the 7th International Conference on Recirculating Aquaculture. p.129-136.Low-head recirculating aquaculture system for juvenile red drum production

- (Abstract Only)Pfeiffer, T.J., Wills, P. 2008. Low-head recirculating aquaculture system for juvenile red drum production. Proceedings of the 7th International Conference on Recirculating Aquaculture. p.137-145.Sidewall-box airlift pump provides large flows for aeration, CO2 stripping, and water rotation in large dual-drain circular tanks

- (Abstract Only)Summerfelt, S.T., Pfeiffer, T.J. 2008. Sidewall-box airlift pump provides large flows for aeration, CO2 stripping, and water rotation in large dual-drain circular tanks. Proceedings of the 7th International Conference on Recirculating Aquaculture. p.374-377.Energy and resource consumption of land-based hatchery systems for finfish

- (Peer Reviewed Journal)Colt, J., Rust, M., Summerfelt, S., Pfeiffer, T.J., Fivelstad, S. 2008. Energy and resource consumption of land-based hatchery systems for finfish. Aquaculture. 280:94-108.Use of recirculating aquaculture systems to increase production and quality of hatchery reared juvenile red drum for marine stock enhancement

- (Abstract Only)Wills, P., Pfeiffer, T.J., Davis, M. 2008. Use of recirculating aquaculture systems to increase production and quality of hatchery reared juvenile red drum for marine stock enhancement [abstract]. 138th American Fisheries Society Annual Meeting, August 17-21, 2008, Ottawa, Canada. p.147.Pumps vs. airlifts: Theoretical and practical energy implications

- (Abstract Only)Christina, C.M., Malone, R.F., Pfeiffer, T.J. 2008. Pumps vs. airlifts: Theoretical and practical energy implications [abstract]. Book of Abstracts Aquaculture America 2008: Beyond Magic-Competing in World Markets.p.77.A low energy, bio-secure, 'hybrid' recirculation system incorporating air lift pumps for water circulation, aeration, and CO2 degassing

- (Abstract Only)Van Toever, W., Pfeiffer, T.J. 2008. A low energy, bio-secure, 'hybrid' recirculation system incorporating air lift pumps for water circulation, aeration, and CO2 degassing [abstract]. Book of Abstracts Aquaculture America 2008: Beyond Magic-Competing in World Markets.p.405.Gas transfer rates from airlifts used for concurrent aeration, carbon dioxide stripping, and recirculation

- (Abstract Only)Hearn, R.A., Pfeiffer, T.J., Johnson, B.S., Malone, R.F. 2008. Gas transfer rates from airlifts used for concurrent aeration, carbon dioxide stripping, and recirculation [abstract]. Book of Abstracts Aquaculture America 2008: Beyond Magic-Competing in World Markets.p.159.In-tank aeration, a necessary compliment of loaded systems in an airlift recirculating aquaculture system

- (Abstract Only)Pfeiffer, T.J., Hearn, R.A., Christina, C.M., Malone, R.F. 2008. In-tank aeration, a necessary compliment of loaded systems in an airlift recirculating aquaculture system [abstract]. Book of Abstracts Aquaculture America 2008: Beyond Magic-Competing in World Markets.p.293.Mass transfer coefficients for carbon dioxide and oxygen for a polygeyser biofilter using airlift in an aquaculture reuse system

- (Abstract Only)Pfeiffer, T.J., Hearn, R.A., Chritina, C.M., Malone, R.F. 2007. Mass transfer coefficients for carbon dioxide and oxygen for a polygeyser biofilter using airlift in an aquaculture reuse system [abstract]. Caribbean and Latin American Aquaculture 2007, November 6-9, 2007, San Juan, Puerto Rico. p.84.Prototype recirculating aquaculture system design for juvenile red drum production as part of the Florida Fish and Wildlife Conservation commission’s Hatchery Network Initative

- (Abstract Only)Willis, P.S., Pfeiffer, T.J. 2007. Prototype recirculating aquaculture system design for juvenile red drum production as part of the Florida Fish and Wildlife Conservation commission’s Hatchery Network Initative [abstract]. International Sustainable Marine Fish Culture Conference and Workshop Book of Abstracts. p. 26.Flow, aeration, and carbon dioxide transfer rates for airlifts used in recirculating aquaculture systems

- (Abstract Only)Hearn, R.A., Pfeiffer, T.J., Malone, R.F. 2007. Flow, aeration, and carbon dioxide transfer rates for airlifts used in recirculating aquaculture systems [abstract]. International Sustainable Marine Fish Culture Conference and Workshop Book of Abstracts. p. 24.Overview of sustainable marine aquaculture systems engineering projects with emphasis on biofiltration

- (Abstract Only)Pfeiffer, T.J. 2007. Overview of sustainable marine aquaculture systems engineering projects with emphasis on biofiltration [abstract]. International Sustainable Marine Fish Culture Conference and Workshop Book of Abstracts. p. 22.Application of airlift technology in recirculation aquaculture systems

- (Trade Journal)Pfeiffer, T.J., Malone, R.F. 2008. Application of airlift technology in recirculation aquaculture systems. Global Aquaculture Advocate. p.66-68.Intensive rotifer production system for Brachionus plicatilis

- (Abstract Only)Ludwig, G.M., Pfeiffer, T.J. 2007. Intensive rotifer production system for Brachionus plicatilis [abstract]. Caribbean and Latin American Aquaculture.p.99.Practical design and application of airlift technology for aquaculture reuse systems

- (Abstract Only)Pfeiffer, T.J., Malone, R.F. 2007. Practical design and application of airlift technology for aquaculture reuse systems [abstract]. Book of Abstracts Aquaculture America. p. 710.Design and performance characteristics of a low-head recirculating aquaculture tank system for low salinity finfish production

- (Abstract Only)Pfeiffer, T.J., Webb, J. 2007. Design and performance characteristics of a low-head recirculating aquaculture tank system for low salinity finfish production [abstract]. Book of Abstracts Aquaculture America. p. 709.Engineering considerations for water circulation in crawfish ponds with paddlewheel aerators

- (Peer Reviewed Journal)Pfeiffer, T.J., Lawson, T.B., Church, G.E. 2007. Engineering considerations for water circulation in crawfish ponds with paddlewheel aerators. Aquacultural Engineering. 36(3):239-249.Land-based hatchery systems for finfish

- (Book / Chapter)Small-scale system for the mass production of rotifers using algal paste

- (Peer Reviewed Journal)Pfeiffer, T.J., Ludwig, G.M. 2007. Small-scale system for the mass production of rotifers using algal paste. North American Journal of Aquaculture. 69(3):239-243.Small scale rotifer production for larval fish culture

- (Abstract Only)Ludwig, G.M., Pfeiffer, T.J. 2007. Small scale rotifer production for larval fish culture [abstract]. Book of Abstracts Aquaculture America. p. 556.DECENTRALIZATION OF RECIRCULATING MARINE HATCHERIES USING THE AIRLIFTED BEAD FILTERS AND MOVING BEAD BIOFILTER

- (Proceedings)Pfeiffer, T.J., Hanson, K.L., Malone, R.F. 2006. Decentralization of recirculating marine hatcheries using the airlifted bead filters and moving bead biofilter. 6th International Conference on Recirculating Aquaculture, July 21-23, 2006, Roanoke, Virginia. p. 111-120.PRACTICAL INSIGHT ON INSTALLATION AND USE OF A DUAL DRAIN / SWIRL SEPARATOR SYSTEM

- (Trade Journal)Webb, J., Wood, D., Smith, S., Pfeiffer, T.J. 2006. Practical insight on installation and use of a dual drain / swirl separator system. Fish Farming News. Issue 2. p.18-19.EVALUATION OF A SODIUM HYDROXYMETHANE-SULFONATE PRODUCT FOR REDUCING TOTAL AMMONIA NITROGEN IN A SMALL-SCALE ROTIFER BATCH CULTURE SYSTEM

- (Peer Reviewed Journal)Riche, M.A., Pfeiffer, T.J., Garcia, J. 2006. Evaluation of a sodium hydroxymethane-sulfonate product for reducing total ammonia nitrogen in a small-scale rotifer batch culture system. North American Journal of Aquaculture. 68:199-205.RECIRCULATING AQUACULTURE SYSTEM FOR MARINE FINFISH RESEARCH AT HARBOR BRANCH OCEANOGRAPHIC INSTITUTION

- (Trade Journal)Pfeiffer, T.J. 2005. Recirculating aquaculture system for marine finfish research at Harbor Branch Oceanographic Institution [abstract]. Hatchery International. 6(6):20-23.NITRIFICATION PERFORMANCE OF A PROPELLER-WASHED BEAD CLARIFIER SUPPORTING A FLUIDIZED SAND BIOFILTER IN A RECIRCULATING WARMWATER FISH SYSTEM

- (Peer Reviewed Journal)Pfeiffer, T.J., Malone, R. 2006. Nitrification performance of a propeller-washed bead clarifier supporting a fluidized sand biofilter in a recirculating warmwater fish system. Aquacultural Engineering. 31(1):80-92.TO RATING FIXED-FILM BIOFILTERS USED IN RECIRCULATING AQUACULTURE SYSTEMS

- (Peer Reviewed Journal)Pfeiffer, T.J., Malone, R. 2006. To rating fixed-film biofilters used in recirculating aquaculture systems. Journal of Aquaculture Engineering. 34(1):1-14.FILTER PERFORMANCE STUDY EVALUATES COMBINED PERFORMANCE OF BEAD, SAND FILTERS IN RAS

- (Trade Journal)Pfeiffer, T.J., Riley, K. 2005. Filter performance study evaluates combined performance of bead, sand filters in RAS. Global Aquaculture Advocate. 8:39-42.COMPARATIVE PERFORMANCE OF CO2 MEASURING METHODS: MARINE RECIRCULATING SYSTEM APPLICATIONS

- (Proceedings)Pfeiffer, T.J., Watten, B.J., Summerfelt, S.T. 2006. Comparative performance of co2 measuring methods: marine recirculating system applications.  In: Proceedings of the 6th International Conference on Recirculating Aquaculture, July 21-23, 2006, Blacksburg, Virginia. p.421-426.DESIGN CHARACTERISTICS OF THE USDA/ARS-HBOI SUSTAINABLE TANK AQUACULTURE RECIRCULATING RESEARCH (STARR) FACILITY FOR LOW-SALINITY FINFISH PRODUCTION

- (Abstract Only)Pfeiffer, T.J., Davis, M., Freeman, D.W. 2005. Design characteristics of the USDA/ARS-HBOI Sustainable Tank Aquaculture Recirculating Research (STARR) facility for low-salinity finfish production [abstract]. Book of Abstracts, Aquaculture America. p. 324.DETERMINATION OF THE SOLIDS REMOVAL EFFICIENCY FOR SYSTEM COMPONENTS IN A RECIRCULATING  AQUACULTURE SYSTEM USING PARTICLE SIEVE ANALYSIS

- (Abstract Only)Pfeiffer, T.J., Osborn, A., Davis, M. 2005. Determination of the solids removal efficiency for system components in a recirculating aquaculture system using particle sieve analysis [abstract]. Book of Abstracts, Aquaculture America. p. 326.ENERGY MANAGEMENT AND LOAD ANALYSIS FOR AQUACULTURE FACILITIES

- (Abstract Only)Pfeiffer, T.J. 2005. Energy management and load analysis for aquaculture facilities [abstract]. Book of Abstracts, Aquaculture America. p. 328.EVALUATION OF A SMALL-SCALE RECIRCULATING AQUACULTURE SYSTEM USING A FLOATING BEAD BIOCLARIFIER AND FLUIDIZED BED BIOLOGICAL REACTOR FOR WARM-WATER FISH CULTURE

- (Abstract Only)Pfeiffer, T.J., Riley, K. 2004. Evaluation of a small-scale recirculating aquaculture system using a floating bead bioclarifier and fluidized bed biological reactor for warm-water fish culture [abstract]. Aquaculture America Conference. p. 468.PERFORMANCE CHARACTERISTICS OF THE FLOATING BEAD BIOCLARIFIER IN A RECIRCULATING AQUACULTURE SYSTEM

- (Peer Reviewed Journal)Pfeiffer, T.J., Malone, R.F. 2005. Performance characteristics of the floating bead bioclarifier in a recirculating aquaculture system. Journal of Aquaculture Engineering. p. 468.EVALUATION OF COMMERCIAL ADDITIVES AND SEED MEDIA FOR ACCELERATING NITRIFICATION IN A NEW SUBMERGED BIOLOGICAL FILTER

- (Abstract Only)Pfeiffer, T.J., Riche, M.A. 2005. Evaluation of commercial additives and seed media for accelerating nitrification in a new submerged biological filter [abstract]. Book of Abstracts, Aquaculture America. p. 327.EXPERIMENTAL EVALUATION OF A FLOATING BEAD BIOCLARIFIER AND FLUIDIZED SAND FILTER FOR A SMALL-SCALE RECIRCULATING AQUACULTURE PRODUCTION SYSTEM

- (Proceedings)Pfeiffer, T.J., Riley, K. 2004. Experimental evaluation of a floating bead bioclarifier and fluidized sand filter for a small-scale recirculating aquaculture production system. International Conference on Recirculating Aquaculture. p. 591.SYSTEM DESIGN - PARALLEL OR SERIES FLOW

- (Trade Journal)Pfeiffer, T.J. System design - parallel or series flow. Aquaculture Magazine. 2004. pp.51-52.EVALUATION OF A SMALL-SCALE RECIRCULATING AQUACULTURE SYSTEM USING A FLOATING BEAD BIOCLARIFIER AND FLUIDIZED BED BIOLOGICAL REACTOR FOR WARM-WATER FISH CULTURE

- (Abstract Only)Pfeiffer, T.J., Riley, K. 2004. Evaluation of a small-scale recirculating aquaculture system using a floating bead bioclarifier and fluidized bed biological reactor for warm-water fish culture [abstract]. In: Proceeding of World Aquaculture Society. p. 468.EFFECTS OF WATER TEMPERATURE ON SOCK GRADING OF SUBMARKETABLE CHANNEL CATFISH, ICTALURUS PUNCTATUS, IN EARTHEN PONDS

- (Peer Reviewed Journal)Pfeiffer, T.J., Freeman, D.W. 2001. Effects of water temperature on sock grading of submarketable channel catfish, Ictalurus Punctatus, in earthen ponds. Journal of Applied Aquaculture. 16(1/2):60-64.DEVELOPING SUSTAINABLE MARINE AQUACULTURE SYSTEMS

- (Abstract Only)Pfeiffer, T.J. 2003. Developing sustainable marine aquaculture systems. [abstract] International Sustainable Marine Fish Culture Conference and Workshop Book of Abstracts. v.1. p.20.EFFECTS OF WATER TEMPERATURE ON SOCK GRADING OF SUB-MARKETABLE CHANNEL CATFISH, ICTALURUS PUNCATUS, IN EARTHEN PONDS

- (Peer Reviewed Journal)Pfeiffer, T.J., Freeman, D.W. 2004. Effects of water temperature on sock grading of sub-marketable channel catfish, Ictalurus puncatus, in earthen ponds. Journal of Applied Aquaculture. 16(1-2):18-24.DESIGNING SUSTAINABLE AQUACULTURE SYSTEMS

- (Trade Journal)DAVIS, M., PFEIFFER, T.J., WILCOX, J., BUZYNA, G., MARCUS, N., FREEMAN, D.W. DESIGNING SUSTAINABLE AQUACULTURE SYSTEMS. FISH FARMING NEWS. 2003. p.36-36.EFFECTS OF TEMPERATURE AND SIZE ON AMMONIA EXCRETION BY FASTED GOLDEN SHINERS (NOTEMIGONUS CRYSOLEUCAS)

- (Peer Reviewed Journal)Zhang, Z., Pfeiffer, T.J., Thomforde, H., Goodwin, A. 2004. Effects of temperature and size on ammonia excretion by fasted golden shiners (Notemigonus crysoleucas). North American Journal of Aquaculture. 66(1):15-23.EFFECTS OF TEMPERATURE AND SIZE ON AMMONIA EXCRETION BY FASTED GOLDEN SHINERS (NOTEMIGONUS CRYSOLEUCAS)

- (Peer Reviewed Journal)Zhengzhong, Z., Pfeiffer, T.J., Thomforde, H., Goodwin, A. 2004. Effects of temperature and size on ammonia excretion by fasted golden shiners (Notemigonus crysoleucas). North American Journal of Aquaculture. 66:15-23.DESIGNING SUSTAINABLE AQUACULTURE SYSTEMS

- (Trade Journal)Davis, M., Pfeiffer, T.J., Wilcox, J., Buzyna, G., Marcus, N. 2003. Designing sustainable aquaculture systems. Fish Farming News. July/August. p. 35-36.DESIGN AND EVALUATION OF RECIRCULATING AQUACULTURE SYSTEMS FOR MARINE FINFISH PRODUCTION AT HARBOR BRANCH OCEANOGRAPHIC INSTITUTION

- (Abstract Only)PFEIFFER, T.J., RICHE, M.A., DAVIS, M., FREEMAN, D.W. DESIGN AND EVALUATION OF RECIRCULATING AQUACULTURE SYSTEMS FOR MARINE FINFISH PRODUCTION AT HARBOR BRANCH OCEANOGRAPHIC INSTITUTION. BOOK OF ABSTRACTS WORLD AQUACULTURE SOCIETY. 2003. p.229.EFFECTS OF TEMPERATURE AND SIZE ON AMMONIA EXCRETION BY FASTED FINGERLING GOLDEN SHINER (NOTEMIGONUS CRYSOLEUCAS)

- (Abstract Only)THOMFORDE, H., ZHANG, Z., GOODWIN, A., PFEIFFER, T.J. EFFECTS OF TEMPERATURE AND SIZE ON AMMONIA EXCRETION BY FASTED FINGERLING GOLDEN SHINER (NOTEMIGONUS CRYSOLEUCAS). BOOK OF ABSTRACTS WORLD AQUACULTURE SOCIETY. 2003. p.287.GMT VS. MIXED-SEX NILE TILAPIA PRODUCTION IN A GREENHOUSE RECIRCULATING SYSTEM

- (Proceedings)PERSHBACHER, P., PFEIFFER, T.J., WHITE, J., JALALUDDIN, M. GMT VS. MIXED-SEX NILE TILAPIA PRODUCTION IN A GREENHOUSE RECIRCULATING SYSTEM. BOOK OF ABSTRACTS WORLD AQUACULTURE SOCIETY. 2002. p.20.SMALL SCALE SYSTEM FOR THE MASS PRODUCTION OF ROTIFERS USING MICROALGAE PASTE

- (Abstract Only)PFEIFFER, T.J., LUDWIG, G.M. SMALL SCALE SYSTEM FOR THE MASS PRODUCTION OF ROTIFERS USING MICROALGAE PASTE.. UNIVERSITY OF ARKANSAS-PINE BLUFF AQUACULTURE FIELD DAY. 2002. p.4.GMT VS. MIXED-SEX NILE TILAPIA PRODUCTION IN A GREENHOUSE RECIRCULATING SYSTEM

- (Proceedings)PERSCHBACHER, P., PFEIFFER, T.J., WHITE, J., JALALUDDIN, M. GMT VS. MIXED-SEX NILE TILAPIA PRODUCTION IN A GREENHOUSE RECIRCULATING SYSTEM. SMALL-SCALE AQUACULTURE:PROCEEDINGS OF THE SPECIAL SESSION OF AQUACULTURE AMERICA.2002.P.20-21.AIR SCOURING EFFECTS AND CONTROL ON A FLOATING BEAD BIOFILTER FOR A SMALL-SCALE RECIRCULATING AQUACULTURE SYSTEM

- (Proceedings)PFEIFFER, T.J. AIR SCOURING EFFECTS AND CONTROL ON A FLOATING BEAD BIOFILTER FOR A SMALL-SCALE RECIRCULATING AQUACULTURE SYSTEM. SMALL-SCALE AQUACULTURE: PROCEEDINGS OF THE SPECIAL SESSION OF AQUACULTURE AMERICA.2002.P.22-23.TRIAL FINDS MICROALGAE PASTE SUITABLE FOR ROTIFER NUTRITION

- (Trade Journal)Pfeiffer, T.J., Ludwig, G.M. Trial finds microalgae paste suitable for rotifer nutrition. Global Aquaculture Advocate.2002.v.5(4).p.22-23.EVALUATION OF SUPPLEMENTAL SOLIDS REMOVAL EFFECTS ON NITRIFICATION RATES IN FLOATING BEAD FILTERS

- (Proceedings)LENGER, T.A., PFEIFFER, T.J. EVALUATION OF SUPPLEMENTAL SOLIDS REMOVAL EFFECTS ON NITRIFICATION RATES IN FLOATING BEAD FILTERS. PROCEEDINGS OF THE INTERNATIONAL CONFERENCE ON RECIRCULATING AQAUACULTURE. 2002. p.418.TRIAL FINDS MICROALGAE PASTE SUITABLE FOR ROTIFER NUTRITION

- (Trade Journal)LUDWIG, G.M., PFEIFFER, T.J. TRIAL FINDS MICROALGAE PASTE SUITABLE FOR ROTIFER NUTRITION. GLOBAL AQUACULTURE ADVOCATE. 2002. v.5 (4). p.22-23.GENETICALLY MALE VS. MIXED-SEX NILE TILAPIA PERFORMANCE COMPARED IN RAS

- (Trade Journal)Perschbacher, P.W., Pfeiffer, T.J., White, J., Jalaluddin, M. 2002. Genetically male vs. mixed-sex nile tilapia performance compared in ras. Global Aquaculture Advocate. v.5(2).p.72-73.TURBIMETRIC AND NUMERIC METHODS FOR ESTIMATING THE DENSITY OF A CULTURED ROTIFER POPULATION.

- (Abstract Only)PFEIFFER, T.J., LUDWIG, G.M. TURBIMETRIC AND NUMERIC METHODS FOR ESTIMATING THE DENSITY OF A CULTURED ROTIFER POPULATION.. BOOK OF ABSTRACTS U.S. CHAPTER OF WORLD AQUACULTURE SOCIETY. 2002. p.264.EFFECTS OF AIR-SCOURING ON A FLOATING BEAQD BIOFILTER FOR A SMALL-SCALE    RECIRCULATING AQUACULTURE SYSTEM

- (Abstract Only)GROWTH AND FOOD CONVERSION AT DIFFERENT FEEDING RATES OF GMT AND MIXED-SEX NILE TILAPIA IN A GREENHOUSE RECIRCULATION SYSTEM

- (Abstract Only)TURBIMETRIC NUMERIC METHODS FOR ESTIMATING THE DENSITY OF A CULTURED  ROTIFER POPULATION

- (Abstract Only)Pfeiffer, T.J., Ludwig, G.M. 2002. Turbimetric numeric methods for estimating the density of a cultured  rotifer population [abstract]. Book of Abstracts Aquaculture America. p. 264.AIR SCOURING EFFECTS AND CONTROL ON A FLOATING BEAD BIOFILTER FOR A  SMALL-SCALE RECIRCULATING AQUACULTURE SYSTEM

- (Proceedings)PFEIFFER, T.J. AIR SCOURING EFFECTS AND CONTROL ON A FLOATING BEAD BIOFILTER FOR A SMALL-SCALE RECIRCULATING AQUACULTURE SYSTEM.  BOOK OF ABSTRACTS WORLD AQUACULTURE SOCIETY. 2002. p.22.INTEGRATED SYSTEM FOR MICROALGAE NURSERY SEED CLAM CULTURE

- (Peer Reviewed Journal)Pfeiffer, T.J., Rusch, K.A. 2001. Integrated system for microalgae nursery seed clam culture. Global Aquaculture Advocate.v.4(5)p.33-35.BEAD FILTER ENHANCES RECIRCULATING AQUACULTURE SYSTEMS FOR TILAPIA PRODUCTION

- (Trade Journal)Lenger, T.A., Perschbacher, P.W., Pfeiffer, T.J. Bead filter enhances recirculating aquaculture systems for tilapia production. Global Aquaculture Advocate. 2001.v.4(3).p.40-41.EVALUATION OF ALTERNATIVE MEDIA FOR ENHANCING NITRIFICATION RATES IN PROPELLER-WASHED MICROBEAD FILTERS

- (Proceedings)Pfeiffer, T.J., Beecher, L.E., Malone, R.F. 2000. Evaluation of alternative media for enhancing nitrification rates in propeller-washed microbead filters. International Aquaculture Conference Proceedings.p.562.


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