Silas S.o. Hung
Professor
Department of Animal Science
The University of California Davis
United States of America
Biography
Dr. Silas S.O. Hung is currently working as a Professor in the Department of Animal Science, The University of California Davis , USA. His research interests includes nutrition and feeding of different species of fish. Since 2000, I embarked on a new area of research, toxicology of Sacramento splittail. The CalFed Bay-Delta Program funded us for five years (2000-2005) to use a biomarker approach to study the chronic toxicity of environmental contaminants in the Sacramento splittail. In 2007-2010, I was funded by another CalFed Program to study the quantitative indicators and life history implications of environmental stress on white and green sturgeon. In this project I used the combined technique and growth trail, respectively, to study the short-term (48 h) and long-term (8 weeks) toxicokinetics of selenomethionine and/or methyl mercury in green and white sturgeon. In 2012-2015 I was funded by the CDFG ERP to study the effects of nutritional status on environmental stress tolerance in green and white sturgeon. Currently I am studying the metabolome of green and white sturgeon after 2 to 4 weeks of feed restrictions.. He /she is serving as an editorial member and reviewer of several international reputed journals. Dr. Silas S.O. Hung is the member of many international affiliations. He/ She has successfully completed his Administrative responsibilities. He /she has authored of many research articles/books related to nutrition and feeding of different species of fish. Since 2000, I embarked on a new area of research, toxicology of Sacramento splittail. The CalFed Bay-Delta Program funded us for five years (2000-2005) to use a biomarker approach to study the chronic toxicity of environmental contaminants in the Sacramento splittail. In 2007-2010, I was funded by another CalFed Program to study the quantitative indicators and life history implications of environmental stress on white and green sturgeon. In this project I used the combined technique and growth trail, respectively, to study the short-term (48 h) and long-term (8 weeks) toxicokinetics of selenomethionine and/or methyl mercury in green and white sturgeon. In 2012-2015 I was funded by the CDFG ERP to study the effects of nutritional status on environmental stress tolerance in green and white sturgeon. Currently I am studying the metabolome of green and white sturgeon after 2 to 4 weeks of feed restrictions..
Research Interest
Research in my laboratory has been focused on nutrition and feeding of different species of fish. I used growth trial to determine the essential nutrient requirements and utilization in different species of fish including white sturgeon, rainbow trout, Atlantic salmon, striped bass and hybrid tilapia. Biochemical analyses, enzyme assays, histology and histochemistry, and a combined technique of stomach intubation, dorsal aorta cannulation, and urinary catheterization I developed were used to evaluate the performance and to determine the optimum feeding rates, nutrient requirements and utilization of these fish, respectively.
Publications
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Lee, S.H., Lee, J.H., Bai, S.C., and Hung, S.S.O. 2010. Evaluation of the dietary toxic level of selenium (Se) in juvenile olive flounder, Paralichthys olivaceus. Journal of the World Aquaculture Society 41:245-254
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Rigby, M.C., Deng, X., Grieb, T.M., Teh, S.J., and Hung, S.S.O. 2010. Effect Threshold for Selenium Toxicity in Juvenile Splittail, Pogonichthys macrolepidotus A. Bulletin of Environmental Contamination and Toxicology. 84:76-79.
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Bakke, A.M., Tashjian, D.H., Wang, C.F., Lee, S.H., Bai, S.C., and Hung, S.S.O. 2010. Competition between selenomethionine and methionine absorption in the intestinal tract of green sturgeon (Acipenser medirostris). Aquatic Toxicology 96:62-69