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Associate Dean and Professor of Animal Science. Director, World Food Center, University of California, Davis

B.S., Biology, University of Asmara, Eritrea, 1987.
M.S., Integrative biology, University of Reading, UK, 1991.
Ph.D., Ecological modeling, University of Reading, UK, 1998.

My current research interests are:
-- Whole system approach to quantifying greenhouse gas emissions in agriculture. Mathematical modeling and mitigation of emissions from animals, manure and soil.
-- Development of energy and nutrient utilization/requirement models in cattle, swine and poultry
-- Sustainable agriculture, in particular animal production in relation to environmental sustainability.


  • –present
    Professor of Animal Science and director, World Food Center, University of California, Davis