Alexander Nikolov Hristov, Ph.D.

Professor of Dairy Nutrition


    Dairy Nutrition
    Protein Nutrition of Dairy Cows
    Rumen Fermentation
    Nitrogen Utilization
    Methane Mitigation



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    About Me

    Professional Experience

    • 2008-Present: Associate Professor of Dairy Nutrition, Department of Dairy and Animal Science, Penn State
    • 1999-2008: Associate Professor, Department of Animal and Veterinary Science, University of Idaho
    • 1997-1999: Term Research Scientist II, Agriculture Canada, Lethbridge Research Centre, Canada
    • 1995-1997: Visiting Scientist, Agriculture Canada, Lethbridge Research Centre, Canada
    • 1990-1991, 1993: Visiting Scientist, US Dairy Forage Research Center, Madison, Wisconsin
    • 1983-1997: Research Scientist, Institute of Animal Sciences, Kostinbrod, Bulgaria


    Ph.D., Academy of Agricultural Sciences, Sofia, Bulgaria, 1993 B.Sc., Higher Institute of Zooengineering and Veterinary Medicine, Stara Zagora, Bulgaria, 1983