European Federation for the Science and
Technology of Lipids (Euro Fed Lipid)

Division "Lipids in Animal Science"

Workshop on rumen biohydrogenation

30.9. –1.10. 2006, University of Madrid (UCM), Spain

The workshop is an official event of the Euro Fed Lipid division of Lipids in Animal Science and will be organized in conjunction with the 4th Euro Fed Lipid Congress “Lipids, Fats and Oils of for a Healthier Future”  as a pre-congress event.
Saturday, 30 September 2006 - Sunday, 1 October 2006
Lecture Hall Prof. Schüller

Sponsored by:

BASF Animal Nutrition
OECD Co-operative Research Programme:
Biological Resource Management for Sustainable Agricultural Systems
VOLAC International Limited

13.00 14.00 Registration
Palmquist, D.L
Opening of the Workshop
Historical highlights of ruminal biohydrogenation
14.15 – 16.00
Session 1: Methodology
Fievez, V. Keynote Lecture: Evaluation of rumen biohydrogenation using in vivo and in vitro techniques. 
Deswysen, D. Effect of linoleic acid concentrations on in vitro ruminal biohydrogenation patterns.                                         
Vlaeminck, B. Comprehensive two-dimensional gas chromatography (GC x GC) for the analysis of hydrogenation intermediates in milk.
Ribeiro, C. 
Using non-linear and differential models to quantify biohydrogenation rates of fatty acids
16.00 – 16.30                          Coffee break
16.30 – 18.30 
Session 2: Microbiology
Wallace, R.J. Keynote Lecture: Recent advances in identification of bacteria involved in rumen biohydrogenation.
Hino, T.      
Biohydrogenation of linoleic and linolenic acids, and production of their conjugated isomers by Butyrivibrio fibrisolvens.
Boeckaert, C.  
Accumulation of biohydrogenation intermediates and changes in the rumen protozoal population after micro algae feeding to dairy cattle.
Devillard, E. 
Biohydrogenation by human intestinal flora
8.30 – 10.30 
Session 3: Lipid technology
Jenkins, T.C. Keynote Lecture: Protection of fatty acids against rumen biohydrogenation.
Gulati, S.K. 
Designer by-pass nutrient supplements for ruminants to enhance nutrition and functionality of dairy foods.
Juchem, S.O. 
Feeding whey protein gel composites or calcium salts to reduce rumen biohydrogenation and modify the unsaturated fatty acids in milk lipids.
Pickard, R.M.    
Dietary strategies to increase plasma DHA in ruminants: Comparison of fish oil with algal biomass.
10.30 – 11.00     
Coffee break
11.00 – 13.00
Session 4: Animal Physiology
Shingfield, K.J.  
Keynote Lecture: Role of biohydrogenation intermediates in milk fat depression.
Lock, A.L.    
The effect of trans-10, cis-12 conjugated linoleic acid on milk fat synthesis in lactating goats.
Kramer, J.K.G.   
Effect of sunflower oil and monensin on the CLA and 18:1 isomer composition of milk fat in dairy cattle.
Fuentes, M.C.       
Milk production, milk composition and reproductive function of dairy cows fed extruded linseed.
13.00 14.00
14.00 – 16.00    
Session 5: Milk fat quality
Chilliard, Y.           
Keynote lecture: Rumen biohydrogenation and nutritional quality of milk fat.
Mohammed, R.            
Effect of grazed grass, zero-grazed grass and conserved grass on trans vaccenic acid and cis-9, trans-11 conjugated linoleic acid concentrations in rumen, plasma and milk of dairy cows.
Vanhatalo, A.    
Red clover enhances the polyunsaturated fatty acid content of milk. 
Sinclair, L.A.   
Dietary supplementation of ewes with conjugated linoleic acid improves the eating quality of cheese.

To view the abstracts of the oral presentations as well as the posters of this workshop please use the online programme via the main webpage.

Poster abstract submission  


Organizing committee

Mikko Griinari, co-ordinator, chairman of the division "Lipids in Animal Science", Clanet, Espoo, Finland
Don Palmquist, workshop chairman, Ohio State University, Wooster, OH, USA
Gonzalo González Mateos, local organizer, E.T.S.I.A., Universidad Politécnica de Madrid, Spain
Veerle Fievez, Ghent University, Melle, Belgium
Yvan Larondelle, Université catholique de Louvain, Louvain-la-Neuve, Belgium
Kevin Shingfield, Agrifood Research, Jokioinen, Finland

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