Werner G. Bergen

Professor, Department of Animal Sciences

Department of AnimalĀ Sciences


Ph.D.The Ohio State University, Nutritional Biochemistry
M.S.The Ohio State University, Animal Science
B.S. The Ohio State University, Dairy Science


1999 to Present
Professor of Biochemistry in Animal Sciences, Auburn University, AL
1995 to 1998
Professor and Head, Department of Animal and Dairy Sciences, Auburn University, AL
1967 to 1995
Assistant, Associate and Full Professor, Department of Animal Science, Michigan State University; Professor Emeritus, Mich State University


Fellow, American Society for Nutrition
Fellow, American Society of Animal Sciences
Distinguished Alumni Award, College of Food, Agricultural and Environmental Sciences, The Ohio State University
Animal Growth and Development Award, American Society of Animal Science
Morman Travel Award, Morman Feeds and American Society of Animal Science
Wellcome Burroughs Visiting Professorship-Federation of American Societies of Experimental Biology; Virginia Polytechnic Institute and State University
Sigma Xi, Michigan State University, Research Award
American Feed Manufacturers Nutrition Award, American Society of Animal Science
Young Scientist Research Award, Midwestern Section, American Society of Animal Science
Borden Award, The Ohio State University


Regulation of lipid and protein metabolism in animals emphasizing nutrient-gene interactions and role of signal transduction mechanisms in lipid deposition and protein synthesis and turnover.


  • Genomic regulation of lipogenesis in porcine adipose tissue.
  • Regulation of lipid and protein metabolism in beef cattle and pigs.
  • Development of omic strategies to assess production efficiency of farm animals.
  • Comparative/ differential expression of lipogenic and oxidative genes in pigs and cattle of divergent genetic backgrounds.
  • Nutrient-gene interactions: Effects of specific nutrients on expression of target genes.


BCHE 3200
Principles of Biochemistry

BCHE 7250
Biochemistry of Lipids

BCHE 7270
Biochemical Research Techniques

BCHE 7280
Topics in Biochemistry

ANSC 3610
Growth and Development

ANSC 7950
Graduate Seminar

ANSC 8400
Energy and Protien Metabolism


  • Hausman GJ, WG Bergen, TD Etherton, SB Smith. 2018. The history of adipocyte and adipose tissue research in meat animals. Journal of animal science 96 (2), 473-486
  • Bergen WG, TD Brandebourg. 2016. Regulation of lipid deposition in farm animals: Parallels between agriculture and human physiology Experimental Biology and Medicine 241 (12), 1272-1280
  • Campos CF, MS Duarte, SEF GuimarĆ£es, LL Verardo, S Wei, M Du, Z Jiang, WG Bergen, GJ Hausman, M Fernyhough-Culver, E Albrecht, MV Dodson. 2016. Animal model and the current understanding of molecule dynamics of adipogenesis. animal 10 (6), 927-932
  • Bergen WG. 2015. Small-intestinal or colonic microbiota as a potential amino acid source in animals. Amino Acids 47 (2), 251-258
  • Bergen WG and G Wu. 2009. Intestinal nitrogen recycling and utilization in health and disease. J Nutrl139: 821-825.
  • Hausman, G J, M. V. odson, K. Ajuwon, M. Azain, K.M. barnes, L. L. Guan, Z. Jiang, S.P. Poulus R.D. Sainz, S. Smith, M. Spurlock, J. Novakofski, M.E. Fernyhough, and W.G. Bergen. 2009.Board Invited Review: The biology and regulation of preadipocytes and adipocytes in meat animals J. Anim Sci. 87:1218-1246.
  • Bergen, WG. 2008. Measuring in vivo intracellular protein degradation rates in animal systems. J. Anim. Sci. 2008. 86(E. Suppl.): E3 – E12
  • Reiter, SS, CHC Halsey, BM Stronach, JL Bartosh, WF Owsley and WG Bergen. 2007. Lipid metabolism related gene-expression profiling in liver, skeletal muscle a adipose tissue in crossbred Duroc and Pietrain pigs. Comp. Biochem. Physiol, Part D, 2: 200-2007.
  • Bergen, WG, and HJ Mersmann. 2005. Comparative Aspect of Lipid Metabolism: Impact on Contemporary Research and use of Animal Models, J Nutrition 135: 2499-2502.
  • Bergen, W.G. 2001. The role of cylic AMP elevating agents and somatotropin in transcriptional and post-transcriptional regulation of lipogenesis and lipolysis in bos taurus and sus scrofa. Recent Research Developments in Lipids 4: 47-59.
  • Bergen, W.G. 1998. Anti-sense nucleic acids: potential impact in food producing animals. in: Blum, J.W., Elasasser T., Guilloteau, P. eds. Proc. Symp. on Growth in Ruminants. Bern, Switzerland. ISBN #3- 9521067-0-9, pp. 118-126.
  • Mater, M.K., D. Pan, W.G. Bergen and D.B. Jump. 1998. Arachidonic acid inhibits lipogenic gene expression in 3T3-L1 adipocytes through a prostanoid pathway. J. of Lipid Research 39:1327-1334.
  • Bergen, W.G. and S.G. Velleman. 1995. Application of satellite cell research: models for post-differentiation regulation and development of applied molecular approaches to enhance muscle growth of meat animals. Basic and Applied Myology 5:81-85.
  • Dickerson Weber, P.S., R.A. Merkel and W.G. Bergen. 1992. Adipogenic cell line TA1: A suitable model to study the effect of beta-adrenergic agonists on lipid metabolism. Proc. Soc. Expt. Biol. Med. 201:47-53.
  • Bergen, W.G. and R.A. Merkel. 1991. Body composition in animals treated with partitioning agents: Implications for human health. FASEB J. 5:2951.
  • Grant, A.L., W.G. Helferich, S.A. Kramer, R.A. Merkel and W.G. Bergen. 1991. Administration of growth hormone to pigs alters the relative abundance of IGF-1 mRNA in liver and skeletal muscle. J. Endocrinology 130:331.
  • Anderson, P.T., W.G. Helferich, L.C. Parkhill, R.A. Merkel and W.G. Bergen. 1990. Ractopamine increases total and myofibrillar protein synthesis in cultured myotubes. J. Nutr. 120:1677.
  • Bergen, W.G. and D.B. Bates. 1984. Ionophores: Their effect on production efficiency and mode of action. J. Anim. Sci. 58:1465. (Over 170 citations)
  • Bergen, W.G. 1979. Free amino acids in the blood of ruminants-Physiological and nutritional regulation. J. Anim. Sci. 49:1577.
  • Bergen, W.G. 1978. Postruminal digestion and absorption of nitrogenous components. Federation Proc. 37:1223. (Now FASEB J).