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   Authors
 Home>Communications>Authors>
Name: W. McClain
Title: Professor
E-mail:
Department: Rice Research Station
Organization: LSU AgCenter
Address 1: 1373 Caffey Road
Address 2: Rayne, LA 70578
Phone Number: (337) 788-7531
Mobile: (337) 296-6873
Fax Number: (337) 788-7553

Education/Training
  • Ph.D., 1990, Wildlife and Fisheries Sciences, Texas A&M University, College Station, Texas
  • M.S., 1979, Animal Science/Animal Nutrition, Texas A&M University, College Station, Texas
  • B.S., 1976, Animal Science, Texas A&M University, College Station, Texas
Areas of Specialization/Research
  • Crawfish Aquaculture
  • Crawfish Biology
  • Integration of Aquaculture and Agriculture
Professional Experience
  • Faculty member, LSU Agricultural Center's Rice Research Station since 1990
  • Managing Partner in Farming Operation, Baker‑McClain, Inc. (Sabine Delta Farms), Orange, TX. 1980-1986
  • County Extension Agent - Agriculture, Texas Agricultural Extension Service, Cherokee County, TX. 1979-1980
Publications/Presentations/Patents

Selected Publications:

Book Chapters

McClain, W.R. 2005. Crawfish culture in forage-based production systems. Pages 151-169 in A. M. Kelly and J. Silverstein, editors. Aquaculture in the 21st Century. American Fisheries Society, Symposium 46, Bethesda, Maryland.

Eversole, A.G. and W. R. McClain. 2000. Crawfish culture. Pages 185-198 in Robert R. Stickney (ed.), Encyclopedia of Aquaculture. John Wiley & Sons, Inc., New York, NY., 1063 pp.

Refereed and Peer Reviewed Publications

McClain, W.R. 2013. Efficacy of the short-term salt water bath in purging crayfish. Freshwater Crayfish 19(2):233-236.

McClain, W.R. 2013. Effects of supplemental feeding on harvest of red swamp crawfish, Procambarus clarkii, in forage-based ponds. Journal of the World Aquaculture Society 44(4):593-599. doi: 10.1111/jwas.12047

McClain, W.R. 2013. Effects of simulated precipitation extremes on crayfish (Procambarus clarkii Girard) oviposition in artificial burrows. Aquaculture Research 44(4):612-617. doi:10.1111/j.1365-2109.2011.03066.x

McClain, W.R. 2012. Crawfish production: pond construction and water requirements. Southern Regional Aquaculture Center, SRAC Publication No. 240, Revision. 6 pp.

Ramalho, R.O. and W.R. McClain. 2011. Capture rate and crayfish movements among experimental crayfish production ponds. Freshwater Crayfish 18(1):7-11.

McClain, W.R. 2010. Seasonal influences on growth of Procambarus clarkii in Louisiana. Freshwater Crayfish 17:43-49.

Ramalho, R.O., W.R. McClain, and P.M. Anastácio. 2010. An effective and simple method of marking crayfish. Freshwater Crayfish 17:57-60.

McClain, W.R. 2010. Spawning date and potential contribution to yield from winter-burrowing Procambarus clarkii in crawfish aquaculture ponds. Journal of Shellfish Research 29(1):7-12.

Barbee, G.C., W.R. McClain, S.K. Lanka, and M.J. Stout. 2010. Acute toxicity of chlorantraniliprole to non-target crayfish (Procambarus clarkii) associated with rice–crayfish cropping systems. Pest Management Science. 66(9):996-1001.

Barbee, G.C., M.M. Santer, and W.R. McClain. 2010. Lack of acute toxicity of Aeroz™ bird repellent to non-target crayfish associated with rice-crayfish crop rotations. Crop Protection 29:506-508.

McClain, W.R. and R.P. Romaire. 2009. Contribution of different food supplements to growth and production of red swamp crawfish. Aquaculture 294:93-98.

McClain, W.R. and R.P. Romaire. 2008. Water budgets for a rice-crawfish aquaculture system. North American Journal of Aquaculture. 70(3):296-304.

Gautreaux, C., W.R. McClain, C.G. Lutz, R.P. Romaire, M.G. Shirley and E.S. McCallum. 2007. Crawfish Aquaculture in the South (videodisc). 2nd Edition (DVD03). Department of AgCommunications, Louisiana State University Agricultural Center, Baton Rouge, LA. Southern Regional Aquaculture Center Extension Project (publisher), Texas Cooperative Extension Service, Texas A&M University, College Station, TX. 1 videodisc: sound, color, 36 minutes.

McClain, W.R., and R.P. Romaire. 2007. Procambarid crawfish: Life history and biology. Southern Regional Aquaculture Center, SRAC Publication No. 2403. 6 pp.

FAO. c2000-2007. Cultured Aquatic Species Information Programme - Procambarus clarkii. by W.R. McClain and R.P. Romaire. In FAO Fisheries and Aquaculture Department [online]. Rome. Updated 13 July 2007. http://www.fao.org/fi/website/FIRetrieveAction.do?dom=culturespecies&xml=Procambarus_clarkii.xml&lang=en

Parr, L. D., R. P. Romaire, and W. R. McClain. 2006. Reducing crawfish aquaculture effluent through BMPs. In: Coastal Environment and Water Quality (ed. by Y. J. Xu & V. P. Singh), pages 217-226. Water Resources Publications, LLC, Highlands Ranch, CO, USA. (ISBN 1-887201-47-5)

Romaire, R.P., W.R. McClain, M.G. Shirley, and C.G. Lutz. 2005. Crawfish aquaculture: Marketing. Southern Regional Aquaculture Center, SRAC Publication No. 2402. 8 pp.

McClain, W.R. and L.R. D’Abramo. 2005. Evaluations of an experimental, formulated crayfish bait for use in cold water and as part of a residual bait strategy. Freshwater Crayfish 15:48-55.

McClain, W.R. and R.P. Romaire. 2004. Effects of simulated drought on crayfish survival and reproduction in experimental burrows: A preliminary study. Freshwater Crayfish 14:106-115.

Romaire, R.P., W.R. McClain, and C.G. Lutz. 2004. Crawfish production: Harvesting. Southern Regional Aquaculture Center, SRAC Publication No. 2400. 6 pp.

McClain, W.R. 2002. Some factors that influence crayfish mortality during purging and potential management strategies to mitigate death loss. Freshwater Crayfish 13:146-154.

McClain, W.R. 2000. Effect of levee reconstruction and rainfall on crawfish, Procambarus clarkii, emergence from burrows. Journal of Applied Aquaculture, 10(2):27-40.

McClain W.R. 2000. Assessment of depuration system and duration on gut evacuation rate and mortality of red swamp crawfish. Aquaculture 186:267-278.

McClain, W.R. 1999. Effects of hypoxia on growth and survival of the crayfish Procambarus clarkii. Freshwater Crayfish 12:121-133.

McClain, W.R., J.L. Avery, and R.P.Romaire. 1998. Crawfish Production: production systems and forages. Southern Regional Aquaculture Center, SRAC Publication No. 241. 4 pp.

Avery, J.L., R.P. Romaire, and W.R. McClain. 1998. Crawfish Production: production economics, pond construction and water supply. Southern Regional Aquaculture Center, SRAC Publication No. 240. 4 pp.

McClain, W.R. and P.K. Bollich. 1997. Relaying crayfish: summary of an intercropping approach. Freshwater Crayfish 11:533-549.

McClain, W.R. 1997. Comparative evaluations of rice and a sorghum‑sudangrass hybrid as crawfish forage crops. Progressive Fish‑Culturist 59:206‑212.

McClain, W.R., P.K. Bollich, and J.M. Gillespie. 1997. Relaying: an intercropping approach to the co‑culture of crawfish and rice. Louisiana Agricultural Experiment Station, Bulletin Number 862. 34 pp.

McClain, W.R. and R.P. Romaire. 1995. Reducing population density to effect a greater production of large crawfish. Journal of Applied Aquaculture, 5(4):1‑15.

McClain, W.R. and R.P. Romaire. 1995. Management considerations for the production of large procambarid crawfish. Journal of Shellfish Research, 14(2):553‑559.

McClain, W.R. 1995. Investigations of crayfish density and supplemental feeding as factors influencing growth and production of Procambarus clarkii. Freshwater Crayfish 10:512‑520.

Rollason, S.H. and W.R. McClain 1995. Development of a water‑based grading apparatus for live crayfish. Freshwater Crayfish 10:596‑604.

McClain, W.R. 1995. Effects of population density and feeding rate on growth and feed consumption of red swamp crawfish Procambarus clarkii. Journal of the World Aquaculture Society, 26:14‑23.

McClain, W.R. 1995. Growth of crawfish Procambarus clarkii as a function of density and food resources. Journal of the World Aquaculture Society, 26:24‑28.

Lochmann, R.T., W.R. McClain, and D.M. Gatlin, III. 1995. Responses of the red swamp crawfish, Procambarus clarkii, to different quantities and sources of dietary carbohydrates and lipids. Freshwater Crayfish 8:364‑375.

McClain, W.R. 1994. Evaluation of grading, depuration, and storage time on crawfish mortality during cold storage. Journal of Shellfish Research, 13(1):217‑220.

McClain, W.R., P.K. Bollich, and D.C. Huffman. 1993. Relaying: a means to increase market size of Procambarus clarkii and increase net returns from rice/crayfish production. Freshwater Crayfish 9:13‑17.

Lochmann, R.T., W.R. McClain, and D.M. Gatlin, III. 1992. Evaluation of practical feed formulations for red swamp crawfish. Journal of the World Aquaculture Society, 23(3):217‑227.

McClain, W.R., W.H. Neill, and D.M. Gatlin, III. 1992. Nutrient profiles of green and decomposed rice‑forages and their utilization by juvenile crawfish (Procambarus clarkii). Aquaculture, 101:251‑265.

McClain, W.R., W.H. Neill, and D.M. Gatlin, III. 1992. Partitioning the contributions of forage‑based production system components to weight gain of juvenile crawfish (Procambarus clarkii). Aquaculture, 101:267‑281.

McClain, W.R. and D.M. Gatlin, III. 1988. Dietary zinc requirement of Oreochromis aureus and effects of dietary calcium and phytate on zinc bioavailability. Journal of the World Aquaculture Society 19:103 108.

Other Publications (past 5 years)

McClain, W.R. 2014. Separating fact from folklore at crawfish boils. Louisiana Farm and Ranch. 10(2):30-31.

McClain, W.R. 2013. Crawfish forage considerations. Louisiana Farm and Ranch. 9(6):36.

McClain, W.R. 2013. Complexities associated with size grading of crawfish. Louisiana Farm and Ranch. 9(3):10-11.

McClain, W.R. 2013. An economic comparison of crawfish baits. Louisiana Farm and Ranch. 9(2):14-15.

McClain, W.R. 2012. Nutrient transfer in crawfish ponds: A review. Louisiana Farm and Ranch. 8(11):32-33.

Reames, E. and W. R. McClain. 2012. Consumer information series: farm-raised crawfish. Southern Regional Aquaculture Center, SRAC Publication No. 7301. 2 pp.

McClain, W.R. and M. Shirley. 2012. Restocking crawfish ponds? Louisiana Farm and Ranch. 8(5):10-11.

Romaire, R.P., W. R. McClain and C.G. Lutz. 2011. Water resources use in Louisiana aquaculture. Louisiana Agriculture, 54(4):32-33.

McClain, W. R. 2011. Assessing the efficacy of releasing crawfish back to the pond for further growth. Louisiana Agriculture, 54(3):14-15.

Michael J. Stout, Natalie A. Hummel, Srinivas Lanka, Jason C. Hamm, Anna Meszaros, W. Ray McClain, Marty J. Frey, and Gary C. Barbee. 2011. Making rice fields safe for crawfish. Louisiana Agriculture, 54(3):13.

Michael J. Stout, Natalie A. Hummel, Srinivas Lanka, Jason C. Hamm, Anna Meszaros, W. Ray McClain, Marty J. Frey, and Gary C. Barbee. 2011. Rice water weevils: new tactics for managing in Louisiana rice. Louisiana Agriculture, 54(3):10-12.

McClain, W.R. 2011. Crawfish on-board grading practice may not be profitable. Louisiana Farm and Ranch. 7(4):18.

McClain, W.R. and R. Romaire. 2010. A perspective on water temperature and crawfish production? Louisiana Farm and Ranch. 6(3):24-25.

McClain, W.R. and J. Sonnier. 2009. Myth Busted: Crawfish Tail Curl and Food Safety. Louisiana Agriculture, 52(3):30-31.

McClain, W.R. 2009. How to gain an edge with your crawfish buyer. Louisiana Farm and Ranch. 5(4):16-17.

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