Session 45. Feed efficiency: physiological and genetic mechanisms
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Date: 29 August 2013; 08:30 – 12:30 hours
Chairperson: Scollan
Theatre Session 45
08.30 Physiological aspects of feed efficiency in ruminants
Invited A. Bannink, C. Reynolds, L. Crompton, K. Hammond and J. Dijkstra
09.00 Genetics of feed efficiency in ruminant and non-ruminant animals
Invited D.P. Berry
09.30 Joint estimation for curves for weight, feed intake, rate of gain, and residual feed intake
J. Jensen
09.45 Comparison of energetic efficiency of Holstein-Friesian and other dairy cow genotypes
L.F. Dong, T. Yan, C.P. Ferris, A.F. Carson and D.A. Mc Dowell
10.00 Does cow genetic merit influence maintenance energy requirement and energetic efficiency?
L.F. Dong, T. Yan, C.P. Ferris, A.F. Carson and D.A. Mc Dowell
10.45 Feed efficiency across species: aquaculture, monogastrics and ruminants
Invited S. Avendano
11.15 The relationship between residual feed intake in growing heifers and cows
J.E. Pryce, L. Marett, W.J. Wales, Y.J. Williams and B.J. Hayes
11.30 Selection for eye muscle depth breeding value increases dressing percentage in lambs
G.E. Gardner, A. Williams, A.J. Ball, R.H. Jacob and D.W. Pethick
11.45 Genome wide association analysis for residual feed intake in Danish Duroc boars
D.N. Do, T. Ostersen, A.B. Strathe, J. Jensen, T. Mark and H.N. Kadarmideen
Poster Session 45
Fatty acid and transcriptome profile of loin muscle and liver in pigs fed with PUFA enriched diet
M. Pierzchala, E. Polawska, P. Urbanski, M. Ogluszka, A. Szostak, A. Józwik, J.O. Horbanczuk, D. Goluch and T. Blicharski
Zip4-like zinc transporter variability is widespread in different commercial pig crossings
G. Erhardt, S. Welp and I.J. Giambra