Thomas L Welker
Small Grains and Potato Germplasm Research
Research Physiologist
Phone: (208) 837-9096 ext. 1109
Fax: (208) 837-6047
3059 F NATIONAL FISH HATCHERY RD
HAGERMAN, ID, 83332
Overturf, K.E., Welker, T.L., Towner, R., Barrows, F., Lapatra, S. 2012. Ability of rainbow trout (Oncorhynchus Mykiss) to convert and store EPA and DHA when reared on plant oil replacement feeds. Aquaculture. 1262.
Overturf, K.E., Welker, T.L., Towner, R., Barrows, F., Lapatra, S. 2012. Ability of rainbow trout (Oncorhynchus mykiss) to convert and store EPA and DHA when reared on plant oil replacement feeds. Book of Abstracts Aquaculture America. 1262.
Welker, T.L., Lim, C.E. 2011. Use of probiotics in diets of Tilapia. Journal of Agriculture Research and Development. S1:014. doi:10.4172/2155-9546.S1-014.
Vechklang, K., Lim, C.E., Boonanuntanasarn, S., Welker, T.L., Ponchunchuwong, S., Klesius, P.H., Wanapu, C. 2012. Growth performance and resistance to Streptococcus iniae of juvenile Nile tilapia (Oreochromis niloticus) fed diets supplemented with GroBiotic - A and Brewtech Dried Brewers Yeast. Journal of Applied Aquaculture. 24(3):183-198.
Welker, T.L., Lim, C.E., Aksoy, M., Klesius, P.H. 2012. Use of diet crossover to determine the effects of ß-glucan supplementation on immunity and growth of Nile Tilapia. Journal of the World Aquaculture Society. 43:335-348.
Welker, T.L., Lim, C.E., Aksoy, M., Klesius, P.H. 2011. Effect of short-term feeding duration of diets containing commercial whole-cell yeast or yeast subcomponents on immune function and disease resistance in channel catfish, Ictalurus punctatus. Journal of Animal Physiology and Animal Nutrition. doi:10.111/j.1439-0396.2011.01127.x.
Welker, T.L., Lim, C.E., Aksoy, M., Klesius, P.H. 2011. Effects of dietary supplementation of a purified nucleotide mixture on immune function and disease and stress resistance in channel catfish, Ictalurus punctatus. Aquaculture Research. doi:10.1111/j.1365-2109.2010.02794.x.
Welker, T.L., Lim, C.E., Klesius, P.H. 2010. Effects of diet switching on growth and immunity in Nile tilapia fed a basal, control diet or a diet supplemented with ß-glucan.. American Fisheries Society Annual Meeting. 141:68.
Welker, T.L., Lim, C.E., Aksoy, M., Klesius, P.H. 2010. Effects of dietary supplementation of a purified nucleotide mixture on growth, immune function, and disease and stress resistance in channel catfish, Ictalurus punctatus [abstract]. World Aquaculture Society. p. 1075.
Lim, C.E., Aksoy, M., Li, M.H., Welker, T.L., Klesius, P.H. 2009. Influence of dietary levels of lipid and vitamin E on growth and resistance of Nile tilapia to Streptococcus iniae challenge. Aquaculture. 298: 76-82.
Welker, T.L., Congleton, J.C. 2009. Preliminary examination of oxidative stress in juvenile spring Chinook salmon (Oncorhynchus tshawytscha) of wild origin sampled from transport barges. Journal of Fish Biology. 75:1895-1905.
Welker, T.L., Welker, T.L., Klesius, P.H. 2009. Preliminary meta-analysis on the efficacy of dietary Beta-1,3-glucan in preventing bacterial diseases in fish [abstract]. American Fisheries Society Annual Meeting. p. 662.
Shelby, R.A., Lim, C.E., Aksoy, M., Welker, T.L., Klesius, P.H. 2009. Effects of yeast oligosaccharide diet supplements on growth and disease resistance in juvenile Nile tilapia, Oreochromis niloticus. Journal of Applied Aquaculture. 21:61-71.
Welker, T.L., Welker, T.L., Klesius, P.H. 2009. Bayesian Methods for Determining the Importance of Effects. In: Aquaculture America 2009, February 15-18, 2009, Seattle, Washington. p. 373.
Welker, T.L., Lim, C.E., Aksoy, M., Klesius, P.H. 2010. Dietary Bovine Lactoferrin Increases Resistance of Juvenile Channel Catfish (Ictalurus punctatus) to Enteric Septicemia. Journal of the World Aquaculture Society. 41(S1):28-39.
Lim, C.E., Aksoy, M., Li, M.H., Welker, T.L., Klesius, P.H. 2009. Growth performance, immune response and resistance to Streptococcus iniae of Nile tilapia fed diets containing various levels of vitamins C and E. Journal of the World Aquaculture Society. 41: 35-48.
Welker, T.L., Lim, C.E., Shelby, R.A., Aksoy, M., Klesius, P.H. 2008. Effect of Dietary Immunostimulants on Immunity and Disease Resistance of Channel Catfish and Nile Tilapia. American Fisheries Society Annual Meeting. Available: http://www.fisheries.org/AFS08/docs/prog.pdf
Welker, T.L., Welker, T.L., Klesius, P.H. 2008. Analyzing data in aquaculture: practical significance, a new paradigm for determining the importance of results. In: Aquaculture 2008. February 9-12, 2008. Orlando, FL. p. 508.
Lim, C.E., Aksoy, M., Li, M., Welker, T.L., Klesius, P.H. 2008. Influence of Dietary Levels of Lipid and Vitamin E on Growth and Resistance of Nile Tilapia to Streptococcus iniae Challenge [abstract]. World Aquaculture Society. p. 210.
Welker, T.L., Congleton, J.L. 2009. Effect of dietary alpha-tocopherol,acorbic acid, selenium, and iron on oxidative stress in sub-yearling Chinook Salmon (Oncorhynchus tshawytscha). Journal of Animal Physiology and Animal Nutrition. 93: 15-25.
Shelby, R.A., Lim, C.E., Aksoy, M., Welker, T.L., Klesius, P.H. 2007. Effects of yeast subcomponent diet supplements on growth, stress resistance and immune response in Nile tilapia. 32nd Fish and Feed Nutrition Workshop. Auburn University, Auburn, AL.
Lim, C.E., Aksoy, M., Li, M., Welker, T.L., Klesius, P.H. 2007. Growth, Immune Response and Resistance to Streptococcus iniae of Nile Tilapia Fed Diets Containing Various Levels of Vitamin C and E. 31st Fish Feed and Nutrition Workshop. Auburn University, Auburn, AL.
Welker, T.L., Lim, C.E., Aksoy, M., Klesius, P.H. 2007. Effects of Dietary Bovine Lactoferrin on Disease Resistance, Immune Function, and Stress Resistance of Channel Catfish and Nile Tilapia. In: 31st Fish Feed and Nutrition Workshop, May 16-18, 2007, Auburn University, Auburn, AL. pgs. 27-28.
Welker, T.L., Lim, C.E., Aksoy, M., Klesius, P.H. 2007. Susceptibility of channel catfish (Ictalurus punctatus) fed dietary sodium chloride to nitrite toxicity. Aquaculture Conference Proceedings. Aquaculture 2007. February 26 - March 2, 2007 San Antonio , Texas. p. 990.
Pasnik, D.J., Evans, J.J., Klesius, P.H., Welker, T.L. 2007. Stress in Public Displayed, Cultured, and Pet Fish. Proceedings of the Annual Meeting of the American Veterinary Medical Association. 144th AVMA Annual Convention July 14-18, 2007 Washington, DC.
Pasnik, D.J., Evans, J.J., Klesius, P.H., Welker, T.L. 2007. Stress in public displayed, cultured, and pet fish. American Veterinary Medical Association 144th AVMA annual covention. July 14-18, 2007. Washington DC.
Welker, T.L., Lim, C.E., Aksoy, M., Shelby, R.A., Klesius, P.H. 2007. Immune response and resistance to stress and Edwardsiella ictaluri challenge in channel catfish, Ictalurus punctatus, fed diets containing commercial whole-cell yeast or yeast subcomponents. Journal of the World Aquaculture Society. 38(1):24-35.
Welker, T.L., Lim, C.E., Aksoy, M., Klesius, P.H. 2007. Growth, immune function, and disease and stress resistance of juvenile Nile tilapia (Oreochromis niloticus) fed graded levels of bovine lactoferrin. Aquaculture.262(2007):156-162.
Welker, T.L., Mcnulty, S.T., Klesius, P.H. 2007. Effect of sub-lethal hypoxia on immune response and susceptibility of channel catfish,Ictalurus punctatus,to enteric septicemia. Journal of the World Aquaculture Society. 38(1):12-23.
Shoemaker, C.A., Lim, C.E., Aksoy, M., Welker, T.L., Klesius, P.H., Evans, J.J. 2006. Growth response and acquired resistance of Nile tilapia Oreochromis niloticus following infection or vaccination with Streptococcus iniae. Proceedings 7th International Symposium on Tilapia in Aquaculture (ISTA7). September 6-8, 2006 Veracruz, Mexico. p. 43.
Shoemaker, C.A., Lim, C.E., Aksoy, M., Welker, T.L., Klesius, P.H., Evans, J.J. 2006. Growth Response and Acquired Resistance of Nile tilapia Oreochromis niloticus Following Infection or Vaccination with Streptococcus iniae. Proceedings 7th International Symposium on Tilapia in Aquaculture (ISTA7). September 6-8, 2006. Veracruz, Mexico. p. 43-48.
Shoemaker, C.A., Lim, C.E., Aksoy, M., Welker, T.L., Klesius, P.H. 2006. Growth response and acquired resistance of Nile tilapia Oreochromis niloticus following infection or vaccination with Streptococcus inae. In proceedings of International Symposium on Tilapia in Aquaculture. Pgs. 43-48.
Welker, T.L., Lim, C.E., Aksoy, M., Klesius, P.H. 2006. Effect of dietary bovine lactoferrin on disease and stress resistance of Nile tilapia (Oreochromis niloticus). Symposium of the Comparative Nutrition Society. August 4-9, 2006. Pages 208-212.
Welker, T.L., Lim, C.E., Aksoy, M., Klesius, P.H. 2007. Effect of buffered and unbuffered tricaine methanesulfonate (ms-222) at different concentrations on the stress responses of channel catfish (Ictalurus punctatus Rafinesque). Journal of Applied Aquaculture. 19(3)pgs. 1-18.
Lim, C.E., Aksoy, M., Welker, T.L., Veverica, K. 2006. Effect of feeding duration of sodium chloride containing diets on growth performance and some osmoregulatory parameters of nile tilapia (Oreochromis niloticus) after transfer to water of different salinities. Journal of Applied Aquaculture 18: 1-17.
Welker, T.L., Mcnulty, S.T., Klesius, P.H. 2006. Effect of hypoxia stress on blood glucose, plasma cortisol, and susceptibility to Edwardsiella ictaluri in channel catfish (Ictalurus punctatus Rafinesque). Aquaculture America Conference. Las Vegas. NV. p. 166.
Shoemaker, C.A., Lim, C.E., Aksoy, M., Welker, T.L., Klesius, P.H. 2006. Growth response and acquired resistance of Streptococcus iniae-recovered Nile tilapia, Oreochromis niloticus. 31st Annual Eastern Fish Health Workshop. Charleston, SC. p. 55.
Welker, T.L., Congleton, J.L. 2005. Oxidative stress in migrating spring chinook salmon (Oncorhynchus tshawytscha) smolts of hatchery origin: changes in vitamin E and lipid peroxidation. American Fisheries Society Transaction. 134(6): 1499-1508.
Welker, T.L., Lim, C.E., Aksoy, M., Klesius, P.H. 2005. Effect of MS-222 concentration with and without buffering on the stress response of channel catfish. Annual Meeting of the American Fisheries Society. Anchorage, Alaska. p. 403.
Shoemaker, C.A., Arias, C.R., Klesius, P.H., Welker, T.L. 2005. Whole cell fatty acid profiles of flavobacterium columnare from fish. American Society of Microbiologists Abstracts. 105th General Meeting of the American Society for Microbiology. Atlanta, GA June 5-9, 2005.
Welker, T.L., Klesius, P.H., Arias, C.R., Small, B.C. 2005. Effect of hypoxia on stress and heat shock protein expression in channel catfish (ictalurus punctatus rafinesque). Aquaculture America Conference.
Welker, T.L., Congleton, J.L. 2004. Relationship between dietary lipid source, oxidative stress, and the physiological response to stress in sub-yearling chinook salmon (Oncorhynchus tshawytscha). Fish Physiology and Biochemistry. 29: 225-235.
Welker, T.L., Congleton, J. 2004. Effect of a low-water stressor on oxidative stress in sub-yearling chinook salmon (Oncorhynchus tshawytscha). Aquaculture Research, 35: 881-887.