This page contains the file presented at:

• Symposium on "Energy and Protein Interaction in Dairy Cattle – Efficiency and Environmental Impact", 10-11 May, Nitra (Slovak Rep.)
• Industry session (Session 21) of the EAAP Annual Meeting held in Heraklion, Crete (Greece) 24 August 2010
• Energy and Protein Symposium, Parma, 6 -10 September 2010
• Symposium on Protein metabolism and N excretion in dairy cattle. EAAP Annual Meeting 2008, Barcelona, Spain - Session 2 - 24 August 2009
• EAAP SPECIAL SESSION jointly organised by EAAP and Rednex: IMPACT OF FRAMING SYSTEMS ON THE ENVIRONMENT
  Vilnius, Lithuania, 24th August 2008
• REDNEX Workshop: Nitrogen Utilization and Loss by Dairy Cows –State of the Art in Modelling and Prediction
  Vilnius, Lithuania 23 August 2008

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Symposium on "Energy and Protein Interaction in Dairy Cattle – Efficiency and Environmental Impact". Nitra (Slovak Rep.), 10-11 May 2011

• Introduction - Energy and Protein Interaction in Dairy Cattle Efficiency & Environmental Impact (Ad van Vuuren)

Session 1 (Chair Cled Thomas)

• Feed characterisation to predict yield of nutrients arising from digestion (Caroline Rymer and Cassie Barratt)
• Progress on the rapid analysis of feed composition to meet Industry needs (Chris Woodley Aunir)

Session 2 (Chair Mark Hanigan)

• Modelling the Effects of Forage Composition on Simulated N Excretion and Milk Yield in Dairy Cattle (Jennifer Ellis et al.)
• Empirical modelling of digestion, absorption and metabolism through meta-analysis (D. Sauvant and P. Noziere)

Session 3 (Chair Ad Van Vuuren)

• Control of milk protein synthesis in the mammary gland and the interaction with the supply of energy yielding nutrients (Sigrid Agenäs)
• Response of Dairy Cows to Supplements of Energy and Protein in Early and Mid Lactation (Ryan Law, Fiona Young and Conrad Ferris)

Session 4 (Chair Diane Schoonhoven)

• A feed industry view and the role of specific supplements (Robert Bennet)
• Impact of changes in nitrogen and energy inputs at farm level - Efficiency and Environmental impact (Léon Šebek)

Posters

• Poster abstracts
• Influence of energy supply pre- and postpartum on performance and metabolic parameters in dairy cows (M. Urdl)

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Industry session (Session 21) of the EAAP Annual Meeting held in Heraklion, Crete (Greece) 24 August 2010

• Estimation of NDF degradation parameters in practice
  M.R. Weisbjerg

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Energy and Protein Symposium, Parma, 6 -10 September 2010

• Effects of dietary nitrogen content and intravenous urea infusion on ruminal and portal-drained visceral extraction of arterial urea in lactating Holstein cows
  N. B. Kristensen, A. C. Storm, and M. Larsen
• Ruminant nutrition regimes to reduce greenhouse gas emissions in dairy cows
  C. Reynolds, L. A. Crompton,J. A. N. Mills, D. I. Givens, and A. Bannink
• Effect of energy-protein interactions on N excretion in dairy cows
  E. Kebreab

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EU FP7 Project REDNEX Workshop
Nitrogen Utilization and Loss by Dairy Cows –State of the Art in Modelling and Prediction
Le Meridien Villon Resort & Convention Centre Vilnius, Lithuania
23rd August 2008

Aims

To assess the state of the art in relation to the global effort to research and model N metabolism in dairy cows.

• Introduction to Rednex - Ad van Vuuren

State of art of empirical protein evaluation systems in Europe.

• FiM Approach to Protein Supply and Requirements - Ian Givens / Cled Thomas
• The PDI System – Michel Doreau / J-L Peyraud
• Protein Models for Ruminants - Ad van Vuuren / Jan Djikstra
• NoRFoR: Nordic Feed Evaluation System - Martin Weisbjerg /Harald Volden
• Protein requirements Germany - nXP - Peter Lebzien
• An applied feeding model coupled with a new system of feed characterisation - Ian Givens
• Current formulation practices for protein/amino acids in Europe - Bennett

 

State of art in N. America and Aust/ NZ

• State of the Union: North American Models - Mark Hanigan
• Nitrogen utilisation – Dennis Poppi

Sate of the art of applied models at herd/system level .

• Applied Models to quantify N flows in Dairy Herds and Dairy Farms - Jean-Louis Peyraud

Conclusions

• Conclusions

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EAAP SPECIAL SESSION jointly organised by EAAP and Rednex
IMPACT OF FARMING SYSTEMS ON THE ENVIRONMENT
Le Meridien Villon Resort & Convention Centre Vilnius, Lithuania,
24th August 2008

Theatre Session

• Livestocks’ Long Shadow put in perspective
  Monteny, G.J. and E. Hartung
• Models for feed evaluation, protein utilisation, herd management to reduce nitrogen excretion  by ruminants
  Ad van Vuuren and Cled Thomas
• Development of a software to calculate pollutant emissions, resources consumptions and best available techniques effects on emissions and consumptions from Spanish farms
  Pineiro, C., G. Montalvo, M.A. Garcia, M. Herrero and M. Bigeriego
• Livestock systems, farming styles and grasslands maintenance in Alpine areas: an on farm survey in the Belluno province, North-eastern Italy
  Mrad, M., E. Sturaro, G. Cocca, L. Gallo and M. Ramanzin
• The effect of genetic improvement on emission from livestock systems
  Jones, H.E., C.C. Warkup, A. Williams and E. Audsley
• Dispersion of bacterial emissions from broiler houses
  Hartung, J., J. Schulz and J. Seedorf
• Assessment of effects of methane inhibitors in ruminants
  Lebzien, P. and G. Flachowsky
• Are there environmental benefits from feeding pigs with peas?
  (Presentation)
  Baumgartner, D.U., L. De Baan, T. Nemecek, F. Pressenda, J.-S. Von Richthofen and M. Montes
• Reduction of phosphorus excretion optimizing dairy cows’ supplementation
  Biagini, D. and C. Lazzaroni

Poster Session

• Occupational exposure to airborne micro-organisms and endotoxins in four housing systems for laying hens
  Springorum, A.C. and J. Hartung
• Nitrogen impact in grazing dairy farms
  Silva, C., T. Dentinho and A. Borba
• Monitoring of heterogenous substances in milk and in cow-barn environment
  Toušová, R., L. Stádník and I. Vanišová
• Meteorological variables can be used to predict nitrogen volatilisation from dairy cow manure during housing and short-term storage
  Atzori, A.S., G. Spanu, A. Fenu and A. Cannas
• Survey of the protein balance in diets for dairy buffalo herds
  Pace, V., D. Grani, S. Bartocci, S. Terramoccia, F. Carfì, M. Di Rubbo and A. Coletta
• Analysis of seasons of ammonia nitrogen, dust emission and microbiological air pollution in duck houses
  Skurdenienė, I., V. Ribikauskas, A. Benediktavičiūtė-Kiškienė, R. Juodka and S. Janušonis
• Substituting soya bean meal with faba beans: what are the environmental impacts in milk production?
  De Baan, L., D.U. Baumgartner, T. Nemecek, B. Cottrill and F. Pressenda
• Environmental impacts of introducing European grain legumes into broiler and laying hen feed in Brittany (France)
  Baumgartner, D.U., L. De Baan, T. Nemecek and K. Crépon
• Comparison of the mass balance method with the N to P ratio marker method to estimate nitrogen volatilisation in dairy cow barns
  Atzori, A.S., A. Cannas, G. Spanu and A. Fenu
• Antibacterial activity of essential oils in a broth dilution test
  Mickiene, R., A.C. Springorum, B. Bakutis and J. Hartung

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Symposium on Protein metabolism and N excretion in dairy cattle.
EAAP Annual Meeting 2008, Barcelona, Spain - Session 2
24 August 2009

Theatre Session 02

• Innovative and practical management approaches to reduce nitrogen excretion by ruminants: REDNEX
  Van Vuuren, A. and Thomas, C.
• The impact of EU directives on N-management in dairy farming
  Aarts, H.F.M.
• Methods and systems used for protein evaluation for ruminants
  Hvelplund, T. and Weisbjerg, M.R.
• The control of voluntary feed intake and diet selection in cattle with particular reference to nitrogen
  Forbes, J.M.
• Urea flux from blood to gut: a physiological entity under metabolic control?
  Kristensen, N.B. and Reynolds, C.K.
• Challenges to modelling intermediary nitrogen metabolism
  France, J., Kebreab, E., Lopez, S., Hanigan, M.D., Crompton, L.A., Bannink, A. and Dijkstra, J.

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