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United States Department of Agriculture

Agricultural Research Service

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Joseph L Purswell
Poultry Research
Agricultural Engineer

Phone: (662) 320-7480
Fax: (662) 320-7589
606 SPRING STREET
MISSISSIPPI STATE, MS, 00000

Projects
Strategies to Control and Prevent Avian Mycoplasmosis
Appropriated (D)
  Accession Number: 422202
Optimizing Heavy Broiler Management and Housing Environment for Sustainable Production
Appropriated (D)
  Accession Number: 423565
Improving Efficiency of Growth and Nutrient Utilization in Heavy Broilers Using Alternative Feed Ingredients
Appropriated (D)
  Accession Number: 423762
MANAGERIAL AND NUTRITIONAL STRATEGIES TO IMPROVE PRODUCTION EFFICIENCY OF HEAVY BROILER CHICKENS
Nonfunded Cooperative Agreement (N)
  Accession Number: 414763

Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Effects of air velocity on laying hen production from 24 to 27 weeks under simulated evaporatively cooled conditions - (Peer Reviewed Journal)
Purswell, J.L., Branton, S.L., Luck, B.D., Davis, J.D. 2013. Effects of air velocity on laying hen production from 24 to 27 weeks under simulated evaporatively cooled conditions. Transactions of the ASABE. 56(6):1503-1508.
Water holding capacity and evaporative loss from organic bedding materials used in livestock facilities - (Proceedings)
Spiehs, M.J., Brown-Brandl, T.M., Jaderborg, J.P., DiCostanzo, A., Purswell, J.L., Davis, J.D. 2013. Water holding capacity and evaporative loss from organic bedding materials used in livestock facilities. In: Proceedings of the American Society of Agricultural and Biological Engineers Annual International Meeting, July 21-24, 2013, Kansas City, MO. ASABE Paper No. 131595738.
Live production and carcass characteristics of broilers fed a blend of poultry fat and corn oil derived from distiller’s dried grains with solubles (DDGS) - (Peer Reviewed Journal) - (07-Jun-13)
Interactive effects of photoperiod and light intensity on blood physiological and biochemical reactions of broilers grown to heavy weights - (Peer Reviewed Journal)
Olanrewaju, H.A., Purswell, J.L., Collier, S.D., Branton, S.L. 2013. Interactive effects of photoperiod and light intensity on blood physiological and biochemical reactions of broilers grown to heavy weights. Poultry Science. 92:1029-1039.
Using thermal imaging as a method of investigating thermal thresholds in finishing pigs - (Peer Reviewed Journal)
Brown Brandl, T.M., Eigenberg, R.A., Purswell, J.L. 2013. Using thermal imaging as a method of investigating thermal thresholds in finishing pigs. Biosystems Engineering. 114:327-333.
Influence of photoperiod, light intensity, and their interaction on growth performance and carcass characteristics of broilers grown to heavy weights - (Peer Reviewed Journal)
Olanrewaju, H.A., Purswell, J.L., Collier, S.D., Branton, S.L. 2012. Influence of photoperiod, light intensity, and their interaction on growth performance and carcass characteristics of broilers grown to heavy weights. International Journal of Poultry Science. 11(12):739-746.
Mycoplasma gallisepticum transmission: Comparison of commercial F-strain vaccine versus layer complex-derived field strains in a tunnel ventilated house - (Peer Reviewed Journal)
Purswell, J.L., Evans, J.D., Leigh, S.A., Collier, S.D., Olanrewaju, H.A., Kim, E.J., Pharr, G.T., Peebles, E.D., Branton, S.L. 2012. Mycoplasma gallisepticum transmission: Comparison of commercial F-strain vaccine versus layer complex-derived field strains in a tunnel ventilated house. Poultry Science. 91:3072-3079.
Determining heat tolerance in finishing pigs using thermal imaging - (Proceedings)
Brown Brandl, T.M., Eigenberg, R.A., Purswell, J.L. 2012. Determining heat tolerance in finishing pigs using thermal imaging. In proceedings: International Livestock Symposium. Valencia, Spain, July 8-12, 2012. ASABE Paper No. 12-ILES1433.
Tunnel ventilation system design and management - (Proceedings)
Purswell, J.L. 2012. Tunnel ventilation system design and management. Proceedings of the North Carolina Broiler Supervisors Short Course, April 12, 2012.
Design and operation considerations for attic inlets - (Proceedings)
Purswell, J.L. 2012. Design and operation considerations for attic inlets. Proceedings of the North Carolina Broiler Supervisors Short Course, April 12, 2012.
A comparative study of live attenuated F strain-derived Mycoplasma gallisepticum vaccines - (Peer Reviewed Journal)
Evans, J.D., Leigh, S.A., Purswell, J.L., Jacob, R., Peebles, E.D., Collier, S.D., Branton, S.L. 2012. A comparative study of live attenuated F strain-derived Mycoplasma gallisepticum vaccines. Avian Diseases. 56:396-401.
Effect of varying light intensity on growth performance and carcass characteristics of broiler chickens grown to heavy weights - (Peer Reviewed Journal)
Olanrewaju, H.A., Purswell, J.L., Collier, S.D., Branton, S.L. 2011. Effect of varying light intensity on growth performance and carcass characteristics of broiler chickens grown to heavy weights. International Journal of Poultry Science. 10(12):921-926.
Effects of elevated carbon dioxide concentrations on broiler chicken performance from 28 to 49 days - (Peer Reviewed Journal)
Purswell, J.L., Davis, J.D., Luck, B.D., Kim, E.J., Olanrewaju, H.A., Kiess, A.S., Branton, S.L. 2011. Effects of elevated carbon dioxide concentrations on broiler chicken performance from 28 to 49 days. International Journal of Poultry Science. 10(8):597-602.
Effect of varying light intensity on blood physiological reactions of broiler chickens grown to heavy weights - (Peer Reviewed Journal)
Olanrewaju, H.A., Purswell, J.L., Collier, S.D., Branton, S.L. 2011. Effect of varying light intensity on blood physiological reactions of broiler chickens grown to heavy weights. International Journal of Poultry Science. 11(2):81-87.
Using electrical resistance probes for moisture determination in switchgrass windrows - (Proceedings)
Chesser, G.D., Davis, J.D., Purswell, J.L., Rowe, D., Lemus, R. 2011. Using electrical resistance probes for moisture determination in switchgrass windrows. Proceedings of the American Society of Agricultural and Biological Engineers International (ASABE). ASABE #1111253.
Effect of varying light intensity on welfare indices of broiler chickens grown to heavy weights - (Peer Reviewed Journal)
Olanrewaju, H.A., Miller, W.W., Maslin, W.R., Purswell, J.L., Collier, S.D., Branton, S.L. 2011. Effect of varying light intensity on welfare indices of broiler chickens grown to heavy weights. International Journal of Poultry Science. 10(8):590-596.
Evaluation of automotive mass airflow sensors for animal environment research and control - (Proceedings)
Purswell, J.L., Adams, W.C., Montross, M.D., Davis, J.D. 2011. Evaluation of automotive mass airflow sensors for animal environment research and control. International Symposium on Air Quality and Waste Management for Agriculture. ASABE #1110839.
Hatchability of Broiler Breeder Eggs Following Eggshell Sanitization by Repeated Treatment with a Combination of Ultraviolet Light and Hydrogen Peroxide - (Peer Reviewed Journal)
Wells, J.B., Coufal, C.D., Parker, H.M., Kiess, A.S., Purswell, J.L., Young, K.M., Mcdaniel, C.D. 2011. Hatchability of Broiler Breeder Eggs Following Eggshell Sanitization by Repeated Treatment with a Combination of Ultraviolet Light and Hydrogen Peroxide. International Journal of Poultry Science. 10(6):421-425.
Get the most out of your cooling system - (Popular Publication)
Purswell, J.L. 2011. Get the most out of your cooling system. Emerging Trends: A newsletter of the Mississippi Poultry Association. 2011(2):14-15.
Serologic response of roosters to gradient dosage levels of a commercially available live F strain-derived Mycoplasma gallisepticum vaccine over time - (Peer Reviewed Journal)
Purswell, J.L., Evans, J.D., Branton, S.L. 2011. Serologic response of roosters to gradient dosage levels of a commercially available live F strain-derived Mycoplasma gallisepticum vaccine over time. Avian Diseases. 55(3):490-494.
Serologic response of roosters to gradient dosage levels of a commercially available live F strain-derived Mycoplasma gallisepticum vaccine over time - (Peer Reviewed Journal)
Purswell, J.L., Evans, J.D., Branton, S.L. 2011. Serologic response of roosters to gradient dosage levels of a commercially available live F strain-derived Mycoplasma gallisepticum vaccine over time. Avian Diseases. 55(3):490-494.
Assessment of air velocity sensors for use in animal produciton facilities - (Proceedings)
Luck, B.D., Purswell, J.L., Davis, J.D. 2011. Assessment of air velocity sensors for use in animal produciton facilities. Transactions of the ASABE. ASABE #1100003.
In-house Windrowing of a Commercial Broiler Farm During Summer Months and Its Effect on Litter Composition - (Peer Reviewed Journal)
Barker, K.J., Coufal, C.D., Purswell, J.L., Davie, J.D., Parker, H.M., Kidd, M.D., Mcdaniel, C.D., Kiess, A.S. 2011. In-house Windrowing of a Commercial Broiler Farm During Summer Months and Its Effect on Litter Composition. Journal of Applied Poultry Research. 20:168-180.
Thermal environment in a four-horse slant-load trailer - (Peer Reviewed Journal)
Purswell, J.L., Gates, R.S., Lawrence, L.M., Davis, J.D. 2010. Thermal environment in a four-horse slant-load trailer. Transactions of the ASABE. 53(6):1885-1894.
Effect of ambient temperature and light intensity on physiological reactions of heavy broiler chickens - (Peer Reviewed Journal)
Olanrewaju, H.A., Purswell, J.L., Collier, S.D., Branton, S.L. 2010. Effect of ambient temperature and light intensity on physiological reactions of heavy broiler chickens. Poultry Science. 89:2719-2725.
Eye surface area and dosage rates for spray vaccination - (Peer Reviewed Journal)
Purswell, J.L., Mayer, J.J., Evans, J.D., Branton, S.L., Davis, J.D. 2010. Eye surface area and dosage rates for spray vaccination. Avian Diseases. 54(4):1310-1315.
Influence of eye surface area on spray vaccination dosage rates - (Peer Reviewed Journal)
Purswell, J.L., Mayer, J.J., Evans, J.D., Branton, S.L., Davis, J.D. 2010. Eye surface area and dosage rates for spray vaccination. Avian Diseases. 54(4):1310-1315.
Effect of Ambient Temperature and Light Intensity on Growth Performance and Carcass Characteristics of Heavy Broiler Chickens at 56 days of age - (Peer Reviewed Journal)
Olanrewaju, H.A., Purswell, J.L., Collier, S.D., Branton, S.L. 2010. Effect of Ambient Temperature and Light Intensity on Growth Performance and Carcass Characteristics of Heavy Broiler Chickens at 56 days of age. International Journal of Poultry Science. 9(8):720-725.
Effect of moisture content on the heating profile in composted broiler litter - (Proceedings)
Schmidt, A.M., David, J.D., Purswell, J.L., Kiess, A.S. 2010. Effect of moisture content on the heating profile in composted broiler litter. International Symposium on Air Quality and Waste Management for Agriculture. ASABE #711PO510.
Analysis of the effect of spatial and temporal sampling densities on accuracy of predicting the heating profile in windrowed broiler litter - (Proceedings)
Schmidt, A.M., Davis, J.D., Purswell, J.L., Fan, Z., Kiess, A.S. 2010. Analysis of the effect of spatial and temporal sampling densities on accuracy of predicting the heating profile in windrowed broiler litter. International Symposium on Air Quality and Waste Management for Agriculture. ASABE #711P0510.
Attic Inlet Technology Update - (Popular Publication)
Donald, J., Purswell, J.L., Simpson, G., Campbell, J. 2010. Attic Inlet Technology Update. Poultry Engineering, Economics, and Management Newsletter. Issue No 66.
A chronicle of serologic response in commercial layer chickens to vaccination with commercial F strain Mycoplasma gallisepticum vaccine - (Peer Reviewed Journal)
Branton, S.L., Leigh, S.A., Purswell, J.L., Evans, J.D., Collier, S.D., Olanrewaju, H.A., Pharr, G.T. 2010. A chronicle of serologic response in commercial layer chickens to vaccination with commercial F strain Mycoplasma gallisepticum vaccine. Avian Diseases. 54(3):1108-1111.
Evaluation of Chopped Switchgrass as a Litter Material - (Peer Reviewed Journal)
Davis, J.D., Purswell, J.L., Columbus, E.P., Kiess, A.S. 2010. Evaluation of Chopped Switchgrass as a Litter Material. International Journal of Poultry Science. 9(1): 39-42.
Distribution of Bacteria at Different Poultry Litter Depths - (Peer Reviewed Journal)
Barker, K.J., Purswell, J.L., Davis, J., Parker, H.M., Kidd, M.T., Mcdaniel, C.D., Kiess, A.S. 2010. Distribution of Bacteria at Different Poultry Litter Depths. International Journal of Poultry Science. 9(1): pp 10-13.
Application of 3D Scanned Imaging Methodology for Volume, Surface Area, and Envelope Density Evaluation of Densified Biomass - (Peer Reviewed Journal)
Igathinathane, C., Davis, J.D., Purswell, J.L., Columbus, E.P. 2010. Application of 3D Scanned Imaging Methodology for Volume, Surface Area, and Envelope Density Evaluation of Densified Biomass. Bioresource Technology. 101 pp 4220-4227.
Effects of air velocity on broiler production - (Proceedings)
Purswell, J.L. 2009. Effects of air velocity on broiler production. IFAC/CIGR Workshop . CD 1.
Determination of densified biomass mass properties using 3D laser scanning and image analysis - (Proceedings)
Igathinathane, C., Davis, J.D., Purswell, J.L., Columbus, E.P. 2009. Determination of densified biomass mass properties using 3D laser scanning and image analysis. Proceedings of the American Society of Agricultural and Biological Engineers International (ASABE). ASABE #BIO-097995.
Digestible Lysine Requirements of Male Broilers From 14 to 28 Days of Age Subjected to Different Environmental Conditions - (Peer Reviewed Journal)
Dozier, W.A., Corzo, A., Kidd, M.T., Tillman, P.B., Purswell, J.L., Kerr, B.J. 2009. Digestible Lysine Requirements of Male Broilers From 14 to 28 Days of Age Subjected to Different Environmental Conditions. Journal of Applied Poultry Research. 18:690-698.
Age-related Effects of Varying Ammonia Concentrations on Hematophysiological Variables in Broiler Chickens - (Peer Reviewed Journal)
Olanrewaju, H.A., Purswell, J.L., Collier, S.D., Branton, S.L. 2009. Age-related Effects of Varying Ammonia Concentrations on Hematophysiological Variables in Broiler Chickens. International Journal of Poultry Science. 8(2):138-144.
Effects of Broiler Rearing Environment on Transmission of F-Strain Mycoplasma Gallisepticum from Commercial Layer Hens to Broiler Chickens: Role of Acid-Base Balance - (Peer Reviewed Journal)
Olanrewaju, H.A., Purswell, J.L., Collier, S.D., Branton, S.L. 2009. Effects of Broiler Rearing Environment on Transmission of F-Strain Mycoplasma gallisepticum From Commercial Layer Hens to Broiler Chickens: Role of Acid-Base Balance. Avian Diseases 8(2):145-150.
Micosoft Excel Sensitivity Analysis for Linear and Stochastic Program Feed Formulation - (Peer Reviewed Journal)
Roush, W.B., Purswell, J.L., Branton, S.L. 2009. Micosoft Excel Sensitivity Analysis for Linear and Stochastic Program Feed Formulation. Journal of Applied Poultry Research 13(1):85-89.
Recent Advances in Mycoplasma gallisepticum Vaccine Administration - (Popular Publication)
Branton, S.L., Leigh, S.A., Purswell, J.L. 2008. Recent Advances in Mycoplasma gallisepticum Vaccine Administration. Feed and Livestock Magazine 5(4):28-31.
Effects of System Pressure and Nozzle Type on Spray Application of Avian Vaccines - (Peer Reviewed Journal)
Purswell, J.L., Fritz, B.K., Branton, S.L., Leigh, S.A. 2008. Effects of System Pressure and Nozzle Type on Spray Application of Avian Vaccines. Applied Engineering in Agriculture 24(6):785-789.
Growth Performance and Physiological Variables for Broiler Chickens Subjected to Short-Term Elevated Carbon Dioxide Concentrations - (Peer Reviewed Journal)
Olanrewaju, H.A., Dozier III, W.A., Purswell, J.L., Branton, S.L., Miles, D.M., Lott, B.D., Pescatore, A.J., Thaxton, J.P. 2008. Growth performance and physiological variables for broiler chickens subjected to short-term elevated carbon dioxide concentrations. International Journal of Poultry Science. 7(8):738-742.
Actuated Attic Inlets: A Progress Report - (Popular Publication)
Campbell, J., Purswell, J.L., Simpson, G., Donald, J. 2008. Actuated Attic Inlets: A Progress Report. Poultry Engineering, Economics, and Management Newsletter. pp. 1-9.
Attic inlet technology - (Popular Publication)
Campbell, J., Simpson, G., Donald, J., Macklin, K., Purswell, J.L. 2008. Attic inlet technology. Poultry Engineering, Economics, and Management Newsletter. Issue No 54.
Interactive effects of ammonia and light intensity on hematochemical variables in broiler chickens - (Peer Reviewed Journal)
Olanrewaju, H.A., Thaxton, J.P., Dozier III, W.A., Purswell, J.L., Collier, S.D., Branton, S.L. 2008. Interactive effects of ammonia and light intensity on hematochemical variables in broiler chickens. Poultry Science. 87:1407-1414.
Assessing Thermal Comfort of Broiler Chicks During Brooding - (Peer Reviewed Journal)
Purswell, J.L., Lott, B.D., Dozier III, W.A., Roush, W.B., Branton, S.L. 2008. Assessing Thermal Comfort of Broiler Chicks During Brooding. International Journal of Poultry Science 7(3):202-206.
Effect of selected water temperatures used in Mycoplasma gallisepticum vaccine reconstitution on color change units at selected time intervals - (Peer Reviewed Journal)
Branton, S.L., Leigh, S.A., Roush, W.B., Purswell, J.L., Olanrewaju, H.A., Collier, S.D. 2008. Effect of selected water temperatures used in Mycoplasma gallisepticum vaccine reconstitution on color change units at selected time intervals. Avian Diseases. 52:291-296.
Construction of a Low Cost Globe Thermometer - (Peer Reviewed Journal)
Purswell, J.L., Davis, J.D. 2008. Construction of a Low Cost Globe Thermometer. Applied Engineering in Agriculture. 24(3):379-381.
Interactive Effects of Ammonia and Light Intensity on Ocular, Fear and Leg Health in Broiler Chickens - (Peer Reviewed Journal)
Olanrewaju, H.A., Miller, W.W., Maslin, W.R., Thaxton, J.P., Dozier III, W.A., Purswell, J.L., Branton, S.L. 2007. Interactive effects of ammonia and light intensity on ocular, fear and leg health in broiler chickens. International Journal of Poultry Science. 6(10):762-769.
An Adjustable Nutrient Margin of Safety Comparison Using Linear and Stochastic Programming in An Excel Spreadsheet - (Peer Reviewed Journal)
Roush, W.B., Purswell, J.L., Branton, S.L. 2007. An adjustable nutrient margin of safety comparison using linear and stochastic programming in an excel spreadsheet. Journal of Applied Poultry Research. 16:514-520.
Identifying Process Variables for a Low Atmospheric Pressure Stunning/Killing System - (Peer Reviewed Journal)
Purswell, J.L., Thaxton, J.P., Branton, S.L. 2007. Identifying Process Variables for a Low Atmospheric Pressure Stun/Kill System. Journal of Applied Poultry Research. 16:509-513.
Heating poultry houses with an attic ventilation system - (Proceedings)
Purswell, J.L., Lott, B.D. 2007. Heating poultry houses with an attic ventilation system. Biological Engineering (ASABE). ASABE #074125.
Apparent Metabolizable Energy Needs of Broilers from 2.0 to 4.0 kg as Influenced by Ambient Temperature - (Peer Reviewed Journal)
Dozier III, W.A., Purswell, J.L., Kidd, M.T., Corzo, A., Branton, S.L. 2007. Apparent Metabolizable Energy Needs of Broilers from 2.0 to 4.0 kg as Influenced by Ambient Temperature. Journal of Applied Poultry Research. 16:206-218.
Apparent Metabolizable Energy Needs of Broilers from 2.0 to 4.0 Kg As Influenced by Ambient Temperature - (Peer Reviewed Journal)
Dozier III, W.A., Purswell, J.L., Kidd, M., Corzo, A., Branton, S.L. 2007. Apparent metabolizable energy needs of broilers from 2.0 to 4.0 kg as influenced by ambient temperature. Journal of Applied Poultry Research. 16:206-218.
Stocking desnsity effects on male broilers grown to 1.8 kilograms of body weight - (Peer Reviewed Journal)
Dozier III, W.A., Thaxton, J.P., Purswell, J.L., Olanrewaju, H.A., Branton, S.L., Roush, W.B. 2006. Stocking desnsity effects on male broilers grown to 1.8 kilograms of body weight. Poultry Science. 85:344-351.
A review of lighting programs for broiler production - (Peer Reviewed Journal)
Olanrewaju, H.A., Thaxton, J.P., Dozier III, W.A., Purswell, J.L., Roush, W.B., Branton, S.L. 2006. A review of lighting programs for broiler production. International Journal of Poultry Science. 5(4):301-308.
Growth Responses of Male Broilers Subjected to High Air Velocity at Either 12 Or 24 Hours from 37 to 51 Days of Age - (Peer Reviewed Journal)
Dozier III, W.A., Purswell, J.L., Branton, S.L. Growth responses of male broilers subjected to high air velocity at either 12 or 24 hours from 37 to 51 days of age. Journal of Applied Poultry Research.
Assessing thermal comfort of broiler chicks during brooding - (Proceedings)
Purswell, J.L., Lott, B.D., Dozier Iii, W.A., Roush, W.B., Branton, S.L. 2006. Assessing thermal comfort of broiler chicks during brooding. Biological Engineering (ASABE). ASABE Paper 064014.
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Last Modified: 4/19/2014
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