- Delta Research and Extension Center
Dr. Kumar is an aquaculture economist with research and Extension experience in production economics, farm management, operations research, consumer behavior, behavioral economics, and policy issues primarily related to the aquaculture industry. On the production side, his work focus on topics such as cost efficiencies, technology adoption, risk modelling, and production optimization. On marketing side Dr. Kumar has investigated various factors affecting seafood choices. On policy side, his concentration is on economic impact assessment, impact of regulations on aquaculture, health economics, and other applied research pertaining to aquaculture production and marketing.
Kumar, G., and P. Gaunt. 2020. Medicated‐feed intervention in catfish farming: An economic perspective. North American Journal of Aquaculture 82:190-199.
Wise, D. J., T. E. Greenway, T.S. Byars, G. Kumar M. J. Griffin, and L. H. Khoo G. Chesser and J. Lowe. 2020. Validation of Edwardsiella ictaluri oral vaccination platform in experimental pond trials. Journal of World Aquaculture Society 51:346-363.
Li, M. H., D. J Wise, C. C Mischke, G. Kumar, T. E. Greenway, A. Tiwari, and P. Lucas. 2020. Reducing dietary protein concentrations and replacing fishmeal with porcine meat and bone meal do not affect growth or feed conversion of pond‐raised fingerling channel catfish, Ictalurus punctatus. Journal of World Aquaculture Society 51:364-372.
Garlock, T., F. Asche, J. L. Anderson, T. Bjørndal, G. Kumar, K. Lorenzen, A. Ropicki, M. D. Smith & R. Tveterås. 2020. A Global Blue Revolution: Aquaculture Growth Across Regions, Species, and Countries. Reviews in Fisheries Science & Aquaculture 28(1):107-116.
Asche, F., J. L. Anderson, R. Botta, G. Kumar, E. B. Abrahamsen, L. T. Nguyen, and D. Valderrama. 2020. Economics of shrimp disease. Journal of Invertebrate Pathology. https://doi.org/10.1016/j.jip.2020.107397.
Griffin, M.J, T.E. Greenway, T.S. Byars, C. ware, S. Aarattuthodiyil, G. Kumar, and D.J. wise. 2020. Cross‐protective potential of a live‐attenuated Edwardsiella ictaluri vaccine against Edwardsiella piscicida in channel and channel × blue hybrid catfish. Journal of World Aquaculture society. https://doi.org/10.1111/jwas.12696.
Kumar, G., T. S. Byars, T. E. Greenway, S. Aarattuthodiyil, L. H. Khoo, M. J. Griffin, and D. J. Wise. 2019. Economic assessment of commercial-scale Edwardsiella ictaluri vaccine trials in the U.S. catfish industry. Aquaculture Economics & Management 23(3):254-275.
Kumar, G., M. H. Li, D. J. Wise, C. C. Mischke, B. Rutland, A. Tiwari, S. Aarattuthodiyil, M. J. Griffin, L. H. Khoo, B. Ott, E. U. Torrans, and C. S. Tucker. 2019. Performance of channel catfish and hybrid catfish in single‐batch, intensively aerated ponds. North American Journal of Aquaculture 81:406-416.
Kumar, G, C. R Engle, and C. S. Tucker. 2018. Factors driving aquaculture-technology adoption. Journal of the World Aquaculture Society 49(3):447-476.
Kumar, G., C. R. Engle, T. R. Hanson, C. S. Tucker, T. Brown, L. Bott, L. A. Roy, C. Boyd, M. Recsetar, J. Park, and E. Torrans. 2018. Economics of alternate catfish production technologies. Journal of the World Aquaculture Society 49(6):1039-1057.
Kumar, G. 2018. Aquaculture production and marketing: A peek into the world of producers and consumers, Aquaculture Economics & Management 22(3):279-283.
ONGOING RELATED RESEARCH
Most relevant ongoing research include investigating the 1) economic impact of catfish industry, 2) regulatory costs in aquaculture sectors, 3) investigation of production factors critically affecting newer catfish production technologies, 4) adoption of new productive technologies in catfish industry, 5) business planning models for catfish industry, 6) economic impact of catfish diseases, 7) risk factors associated with aquaculture supply chain, 8) Resource use efficiency of aquaculture practices, 9) Impact of Covid-19 on aquaculture supply chains, and 10) factors influencing seafood trade.