Session 39. Longevity: a physiological and management perspective
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Date: 31 August 2016; 8:30- 12:00 hours
Chairperson: R.M. Bruckmaier / M. Vestergaard
Theatre Session 39
Potential new indicators predicting longer productive lives in dairy cows
invited K. Huber
Extended lactation in dairy cows
invited J. Sehested, C. Gaillard, T. Kristensen, J.O. Lehmann, L. Mogensen, G.M. Maciel and M. Vestergaard
Production, health and welfare characteristics of cows selected for extended lactation
J.O. Lehmann, L. Mogensen and T. Kristensen
Customising dry period length: consequences for energy balance and yield over multiple lactations
invited A.T.M. Van Knegsel, A. Kok, R. Van Hoeij, J. Chen, N. Mayasari and B. Kemp
Dry period plane of energy: effects on glucose tolerance in peripartum dairy cows
S. Mann, F. Leal Yepes, T. Overton, J. Wakshlag, B. Cummings and D. Nydam
The effects of offering concentrates during the dry period on dairy cow performance
R.A. Law, M. Romero Oiartzun, A. Brown, A. Gordon, A.F. Carson and C.P. Ferris
A novel method to prevent hypocalcemia: Can we improve cow health and longevity in the herd?
invited L.L. Hernandez
How longevity drives greenhouse gas emissions of milk produced by dairy cows in two feeding regimes
F. Grandl, S. Peter, M. Kreuzer and M. Zehetmeier
Once recorded metabolic adaptation does not allow to predict longevity in dairy cows
invited J.J. Gross, L. Grossen-Rösti, F. Schmitz-Hsu and R.M. Bruckmaier
Poster presentations: longevity: a physiological and management perspective
R.M. Bruckmaier and M. Vestergaard
Impact of litter size in first parity on sow lifetime performance and health
E. Andersson, J. Frössling, B. Algers, L. Engblom and S. Gunnarsson
Posters Session
Polish Simmentals: early predictors of longevity
M. Morek-Kopec, W. Jagusiak and A. Zarnecki
Genetic relationships between age at first calving, its underlying traits and survival of Holsteins
J. Heise, K.F. Stock, F. Reinhardt and H. Simianer
Simulations to define the optimum lifetime management for Holstein cows
C. Gaillard, H.N. Phuong, P. Blavy and J. Sehested
Genetic correlations between energy balance and lactation persistency of Holsteins in Japan
A. Nishiura, O. Sasaki, M. Aihara and H. Takeda
Voluntarily delayed rebreeding and double insemination effects on pregnancy rates of Holstein cows
C. Gaillard, M. Vestergaard and J. Sehested
Herd dynamics and economics of different strategies for managing a herd for extended lactation
J.O. Lehmann, L. Mogensen, S. Østergaard, J.F. Ettema and T. Kristensen
Influence of the first lactation on the productive life of Holstein cows
M. Grayaa, H. Hammami, C. Hanzen, B. Rekik, A. Gillon and N. Gengler
Lost in transition: a reaction norm model to breed cows that can better cope with metabolic stress
H. Simianer, N.T. Ha, J.J. Gross, U. Schnyder, F. Schmitz-Hsu and R.M. Bruckmaier
Good legs means good stayability of the sows
T.H. Le, E. Norberg, B. Nielsen, P. Madsen, K. Nilsson and N. Lundeheim