34	Serum Non-Esterified Fatty Acid and Beta-Hydroxybutyrate in the Transition Period and their Associations with Disease in Dairy Cows S. LeBlanc1, M. Carson1, S. Godden2, M. Capel2, M. Overton2, J. Santos2, K. Leslie1, T. Duffield1 1Canada, 2United States

35	The Effect of Organic and Inorganic Dietary Selenium Sources on Selenium Levels in Blood, Colostrum and Milk and Metabolic Profile in Dairy Cows D. Kumprechtova1, J. Illek1, N. Ballet2 1Czech Republic, 2France

36	The Influence of Subclinical Hypocalcemia on Production and Reproduction Parameters in Israeli Dairy Herds C. Gild, N. Alpert, M. Van-Straten Israel

37	Fatty Liver and Serum Concentrations of Insulin and Glucose in Dairy Cows D. Kirovski, H. Šamanc, M. Jovanović, N. Fratrić, D. Gvozdić, I. Vujanac, B. Dimitrijević Serbia

38	Metabolic Syndrome in Cows: TNF-1 and Fat Metabolism in Heifers with Different Body Condition (BCS) at Parturition M. Fürll, N. Jatzke, K. Bauer, I. Steinhöfel, J. Gottschalk, U. Sack, A. Einspanier Germany

39	Influence of Gluconeogenesis on Metabolic Status and Appereance of Oxydative Stress in Peripartal Cows B. Dimitrijevic, S. Borozan Serbia