Session 45. Improving management practices and feed efficiency in cattle

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Date: Wednesday 29 August 2018; 14.00 – 18.00
Chair: A. De Vries / A. Kuipers

Theatre Session 45

An on-farm algorithm to guide selective dry cow therapy
A.K. Vasquez, C. Foditsch, M. Wieland, R.A. Lynch, P.D. Virkler, S. Eicker and D.V. Nydam

Testing trace elements in bulk milk as a tool in providing the optimal amount to dairy cattle
J. Muskens and G.H. Counotte

Effects of temperament on growth, physiology, and puberty attainment in Bos indicus beef heifers
R.F. Cooke and J.L.M. Vasconcelos

Does season alter dairy cows’ preference for pasture and their behavioural pattern?
K.S. Stanzel, J. Ingwersen, C. Lambertz, I. Traulsen, D. Albers and M. Gauly

Developing sustainable permanent grassland systems and policies across Europe: SUPER-G
J.P. Newell Price and J.R. Williams

Access to grazing for high yielding dairy cows: a novel experience in Northern Italy
L. Leso and M. Barbari

Reliability of breeding values for dry matter intake by adding data from additional research farms
G.C.B. Schopen, Y. De Haas, J.J. Vosman, G. De Jong and R.F. Veerkamp

The economic value of saved feed in dairy breeding goals
R.S. Stephansen, J. Lassen, J.F. Ettema and M. Kargo

Selection for feed efficiency in Holstein cows based on data from the Efficient Cow project
A. Köck, M. Ledinek, L. Gruber, F. Steininger, B. Fuerst-Waltl and C. Egger-Danner

Feed from the sea: a move towards sustainable ruminant livestock production using brown seaweed
M. Campbell, A. Foskolos and K. Theodoridou

Validation of methane measurements in dairy cows obtained from two non-invasive infrared analysers
M. Sypniewski, M. Pszczoła, T. Strabel, A. Cieślak and M. Schumacher-Strabel

Artificial neural networks for prediction of BW of male cattle by using real-time body measurements
Y. Bozkurt, T. Aydogan, C.G. Tuzun and C. Dogan

Poster Session 45

Performance and carcass traits of steers fed increasing levels of sorghum dry distiller’s grains
A. Simeone, V. Beretta, J. Franco, M. Novac, V. Panissa and V. Rodriguez

An analysis of factors affecting success of artificial insemination in Wagyu cattle
T. Oikawa

Enteric methane emissions from heifers fed grass-clover silage or pulp silage made from grass-clover
A.L.F. Hellwing, V.K. Damborg, P. Lund, S.K. Jensen and M.R. Weisbjerg

Does residual sward height impact on animal performance and pasture characteristics ?
P. Chilibroste, P. Soca, M. Oborsky, G. Menegazzi, P.Y. Giles, D.A. Mattiauda, C. Genro and F. Lattanzi

Field pea can partially replace soybean in the fattening diets of ruminants
M. Blanco, I. Casasús and M. Joy

Effects of rations with high amount of crude fibre on rumen fermentation in suckler cows
H. Scholz, P. Kühne, A. West, R. Staufenbiel and G. Heckenberger

Feed intake of suckler cows in the period of calving with different amount of crude fibre
P. Kühne, H. Scholz and G. Heckenberger

Nitrogen-use-efficiency of beef cows fed total mixed ration, grass silage or grazed on pasture
P. Kühne, H. Scholz and G. Heckenberger

Eating behaviour and milk production of high efficient vs low efficient high yielding lactating cows
Y.B. Ben Meir, H. Levit, I. Halachmi, J. Miron and S.J. Mabjeesh

Investigating genetic and functional relationships among growth traits in beef cattle
F.B. Lopes, C.U. Magnabosco, T.L. Passafaro, L.F.M. Mota, G.J.M. Rosa, J.L. Ferreira and F. Baldi

Whole oats as an alternative fibre source for growing cattle fed high grain diets
V. Beretta, A. Simeone, M. Cedres and N. Zabalveytia