In cooperation with the WAS Employment Service

Dave Jirsa


Email Address: djirsa@gmail.com
Address: po box 636
City: Cardiff
State/Providence: California
Zip Code: 92007
Country: United States
Phone Number: 7604581108
Date Posted: 3/8/2017

Objective

I am open to considering any position utilizing my skills.

Education

B.A. University of Texas, Austin, TX. 1991 (Biology) M.A. University of Texas, Austin, TX. 1994 (Marine Science) Thesis: Effects of dietary nutrient density on water quality and growth of red drum, Sciaenops ocellatus, in closed systems.

Experience

Positions and Work Experience 2003-present Research Biologist, Hubbs-SeaWorld Research Institute, San Diego, CA. Coordinate and manage several research areas encompassing multiple projects Author successfully funded grant proposals Manager of single and multi-year projects with up to $400K funded per project Conduct and coordinate research in highly skilled research teams with co-researchers, colleagues and co-PI’s at other institutions including government and academia Manage, mentor and train technicians, and graduate students 1997-2003 Biologist, Hubbs-SeaWorld Research Institute, San Diego, CA. Assistant manager of a production marine fish hatchery Manage employees involved in production of up to 250,000 marine fish released annually. Broodstock management and spawning Culture of larval and juvenile stages to tagging and release Live feed production including algae, rotifers and artemia Management of commercial-scale flow through and recirculated aquaculture systems including filtration and sterilization Disease diagnostics and management Management of multiple volunteer-based grow out facilities Transport of fish to facilities Coordination of volunteers to care for fish until release 1994-1997 Chemist, Sequoia Analytical, Redwood City, CA. 1989-1999 Research Assistant, University of Texas Marine Science Institute, Port Aransas, TX. Recent Research Activities Research on Larval Marine Finfish (Research Coordinator, 2000-2009) Spawning and rearing of multiple finfish species from egg to juvenile stage, including white seabass, giant seabass, California halibut, California sheephead, Cabazon and Boccaccio Wild capture and conditioning of broodstock for reproduction Advancing Marine Finfish in Aquaculture (Project Manager, 2003-2005) Successful establishment of a captive spawning population of California sheephead and the only successful rearing of the species from egg to juvenile stages to date Egg Quality in Marine Fishes (Project Manager 2005-2008) Management of a graduate student and his MS thesis project evaluating the variation in egg quality over the spawning season for a captive population of white seabass Nutrition of Marine Finfish (Research Scientist, 2008-present) Author of multiple proposals that were funded by private, state and federal agencies with the goal of determining the nutritional requirements of multiple species of marine finfish as well as reducing the inclusion of fish-based ingredients in marine finfish diets Successful management of the funded research projects resulting in original research and many articles in peer reviewed journals

Publications

Buentello, A., Jirsa, D., Barrows, F.T. and Drawbridge, M. 2015. Minimizing fishmeal use in juvenile California yellowtail, Seriola lalandi, diets using non-GM soybeans selectively bred for aquafeeds. Aquaculture 435: 403-411. Jirsa, D., Barrows, F.T., Hardy, R.W. and Drawbridge, M. 2015. Alternative protein blends as a replacement for fish meal in diets for white seabass, Atractoscion nobilis. Aquaculture Nutrition 21: 861–867.  Rombenso, A., Trushenski, J., Jirsa, D. and Drawbridge, M. 2015. Successful fish oil sparing in White Seabass feeds using saturated fatty acid-rich soybean oil and 22:6n-3 (DHA) supplementation. Aquaculture 488: 176-185. Jirsa, D., D.A. Davis, F.T. Barrows, L.A. Roy, and Drawbridge, M. 2014. Response of white seabass to practical diets with varying levels of protein. North American Journal of Aquaculture 76: 24-27. Jirsa, D., D.A. Davis, G.P. Salze, M. Rhodes, and Drawbridge, M. 2014. Taurine requirement for juvenile white seabass (Atractoscion nobilis) fed soy-based diets. Aquaculture 422- 423: 36-41. Jirsa, D.O., Stuart, K.R., Salze, G.P., Rhodes, M.A., Davis, D.A. and Drawbridge, M.A. 2014. Limiting amino acids in practical diets for california yellowtail, Seriola lalandi. Journal of the World Aquaculture Society. 45: 681-690. Trushenski, J., Rombenso, A., Page, M., Jirsa, D., and Drawbridge, M. 2014. Traditional and fermented soybean meals as ingredients in feeds for white seabass and yellowtail jack. North American Journal of Aquaculture 76: 312-322. Jirsa, D.O., D.-F. Deng, D.A. Davis, S. Hung, and Drawbridge, M. 2013. The effects of dietary lipid level on heat-shock proteins in white seabass, Atractoscion nobilis. Aquaculture Nutrition 19: 227-232. Jirsa, D., Salze, G.P., Barrows, F.T., Davis, D.A. and Drawbridge, M. 2013. First-limiting amino acids in soybean-based diets for white seabass Atractoscion nobilis. Aquaculture 414-415: 167-172. Trushenski, J., Mulligan, B., Jirsa, D. and Drawbridge, M. 2013. Sparing fish oil with soybean oil in feeds for white seabass: effects of inclusion rate and soybean oil composition. North American Journal of Aquaculture 75: 305-315 Jirsa, D., Davis, A., Stuart, K., and Drawbridge, M. 2011. Development of a practical soy-based diet for California yellowtail, Seriola lalandi. Aquaculture Nutrition 17: 869-874. Jirsa, D.O., Davis, D.A. and Drawbridge, M.A. 2010. Development of a practical soy-based diet for white seabass, Atractoscion, nobilis. North American Journal of Aquaculture 72: 332-337. Jirsa, D., Drawbridge, M., and Stuart, K., 2009. The effects of tank color and light intensity on growth, survival and stress tolerance of white seabass, Atractoscion nobilis, larvae. Journal of the World Aquaculture Society 40: 702-709. Jirsa, D., Drawbridge, M. and Stuart, K. 2007. Spawning of a captive population of California sheephead, Semicossyphus pulcher, Journal of the World Aquaculture Society. 38: 122-128. Jirsa, D.O., Davis, D.A., and C.R. Arnold. 1997. Effects of dietary nutrient density on water quality and growth of red drum, Sciaenops ocellatus, in closed systems. Journal of the World Aquaculture Society 28: 68-78 Davis, D.A., Jirsa, D.O., and C.R. Arnold. 1995. Evaluation of soybean proteins as replacements for menhaden fish meal in practical diets for red drum, Sciaenops ocellatus. Journal of the World Aquaculture Society 26: 48-58.

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