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Research Interests
Fish Reproduction/ Fish Nutrition & Feeding
Research Summary
Research Publications
Overturf, K., Casten, M.T., LaPatra, S.L., Rexroad III, C. and Hardy, R.W. (2003) Comparison of growth performances, immunological response and genetic diversity of five strains of rainbow trout (Oncorhynchus mykiss). Aquaculture 217: 93-106.
Cheng, Z.J., Hardy, R.W., and Usry, J.L. (2003) Effect of lysine supplementation in a plant protein-based diets on the performance of rainbow trout (Oncorhynchus mykiss) and apparentdigestibility coefficients of nutrients. Aquaculture, 215:255-265.
Cheng, Z.J. and R.W. Hardy. (2003) Effects of extrusion and expelling processing, and microbial phytase supplementation on apparent digestibility coefficients of nutrients in full-fat soybeans for rainbow trout (Oncorhynchus mykiss). Aquaculture, 218: 501-514.
Cheng, Z.J., Hardy, R.W., and Usry, J.L. (2003) Plant protein ingredients with lysine supplementation reduce dietary protein level in rainbow trout (Oncorhynchus mykiss) diets, and reduce ammonia nitrogen and soluble phosphorous excretion. Aquaculture, 218: 553-565.
Chaiyapechara, S., Casten, M.T., Hardy, R.W. and Dong, F.M. (2003) Fish performance, fillet characteristics and health assessment index of rainbow trout (Oncorhynchus mykiss) fed diets containing adequate and high concentration of lipid and vitatmin E. Aquaculture, 219: 715-738.
Green, J.A., Hardy, R.W. and Brannon, E.L. (2002) Effects of dietary phosphorus and lipid levels on utilization and excretion of phosphorous and nitrogen by rainbow trout (Oncorhynchus mykiss). 1. Laboratory-scale study. Aquaculture Nurition 8(4):279-290.