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Date: 30 August 2011; 14:00 – 18:00 hours
Chairperson: Klopcic

Theatre Session 20

• Improving environmental sustainability of the dairy cow
  Capper, J.L.
• Interactions between dairy cow nutrition and environmental burdens
  Sebek, L.B.J.
• The best dairy cow system for future in terms of environment, economics and social criteria – worldwide
  Hemme, T.
• High milk production and good reproduction: is it possible?
  Zeron, Y., Galon, N. and Ezra, E.
• Impact of breeding strategies using genomic information on fitness and health
  Egger-Danner, C., Willam, A., Fuerst, C., Schwarzenbacher, H. and Fuerst-Waltl, B.
• Genetic analysis of calf vitality in Dutch dairy cows
  Van Pelt, M.L. and De Jong, G.
• Future breeding goals in beef cattle: effect of changed production conditions on economic values
  Åby, B.A., Vangen, O., Aass, L. and Sehested, E.
• Economic selection indexes for various breeds under different farming and production systems in Slovenia
  Klopcic, M., Veerkamp, R.F., Zgur, S., Kuipers, A., Dillon, P. and De Haas, Y.
• The relationship between diet characteristics, milk urea, nitrogen excretion and ammonia emissions in dairy cows
  Bracher, A., Münger, A., Stoll, W., Schlegel, P. and Menzi, H.
• Genetic relationships between energy balance, fat protein ratio, body condition score and disease traits in Holstein Friesians
  Buttchereit, N., Stamer, E., Junge, W. and Thaller, G.
• Fat-to-protein-ratio in early lactation as an indicator of herdlife for first lactation dairy cows
  Bergk, N. and Swalve, H.H.
• Genetic associations between feed efficiency and fertility in beef cattle
  Crowley, J.J., Evans, R.D. and Berry, D.P.

Poster Session 20

• Efficiency of milk production in farms with a high share of grasslands
  Litwinczuk, Z., Teter, W., Chabuz, W. and Stanek, P.
• Heart rate variability measured at milking in primiparous and multiparous cows
  Speroni, M. and Federici, C.
• Motivating factors in Swedish young cattle production
  Bostad, E., Swensson, C. and Pinzke, S.
• Use of an electronic system for automatic calving detection in dairy cattle: technical and economical preliminary results
  Marchesi, G., Tangorra, F.M., Pofcher, E.J. and Beretta, E.
• Changes of metabolic conditions around calving affect oxidative stress and acute phase protein in pluriparous dairy cows
  Sgorlon, S., Guiatti, D., Trevisi, E., Ferrari, A. and Bertoni, G.