Efficiency of Protein Utilisation in Dairy Cows

Advisory and Dissemination Group


Mark Jacob



Ray Keatinge

Head of DairyCo Research and Development


David Black

Managing Director of XLVets

David is a vet and MD of the Paragon Veterinary Group, a mixed practice in Cumbria. With his main clinical interest in dairy practice, he has a Diploma in Bovine Reproduction, and is an RCVS Recognised Specialist in Cattle Health and Production.

David is also MD of XLVets, a company composed of 47 independent veterinary practices, all committed to the future of British agriculture and working together to deliver "Excellence in Practice". He represents the UK on the World Buiatrics Association, and is a Governor of Askham Bryan College.


John Newbold


John is responsible for ruminant R&D in Cargill Animal Nutrition, working with company research facilities in the USA and the Netherlands and managing projects in a number of Universities and research centres.

John joined Cargill with the acquisition of Provimi, where he was Ruminant Science Director. Prior to that, he directed the Provimi Research and Innovation Centre in Brussels, Belgium, which he joined in 1999.

Before joining Provimi, John worked in research and development in the UK animal feed industry for several years, after a spell of post-doctoral research at Michigan State University in the USA.

John trained at the University of Nottingham, completing his Bachelor's degree in Agricultural Science in 1982 and his PhD in 1987. He is a past-president of the British Society of Animal Science, a member of the Nutrition Society and the American Dairy Science Association and has edited and reviewed for several academic journals in the field of animal science.

John's interest in farming was sparked by childhood holidays lifting bales, shovelling muck and driving tractors on his grandfather's farm in Nottinghamshire. Married with two children and an elderly dog, he lives close to Brussels, Belgium.


Wyn Morris

Head of Ruminant Development at BOCM PAULS


David Homer

Chisbury Lane Farm

David farms with his wife Jane, sons Chris and Geoff and daughter Anne farming 520 dairy cows in two herds with 570 Ha near Marlborough Wiltshire.

David is a Nuffield Scholar, past board member of DairyCo, member of the University of Reading farms board, Dairy Crest Direct forum member, board member of Waitrose Dairy Farmers, Chairman of Dairy Futures a charity which supports new entrants to dairy farming, past chair of the IDF (International dairy federation) Farm Management committee. Chaired the organising committee for the first IDF World Dairy Farming Summit in Edinburgh (2008) and was also one of the summit moderators and has spoken and moderated at conferences and events in various parts of the world since.



Claire Wathes

Royal Veterinary College

Claire gained a first class degree in Zoology from the University of Birmingham followed, in 1978, by a PhD in dairy cow fertility at the University of Nottingham under the supervision of Professor Eric Lamming. Before joining the Royal Veterinary College in 1994, she worked for 10 years as a lecturer, then as a reader in the Department of Anatomy, University of Bristol; obtaining a DSc from Bristol in 1990. This was followed by 4 years in a research post at the Babraham Institute.

At the RVC Claire has served on a variety of committees including a long spell as Chairman of the Graduate School Committee. As Head of the Reproduction and Development Group for 12 years from 1995-2007 she was active in promoting research in this area, which was assessed as internationally competitive in the last two Research Assessment Exercises. She also established an elective in Reproduction for final year veterinary students. Externally she was Chairman of the BBSRC Steering Committee on ARK-Genomics from 2000-2008 and a member of the Horserace Betting Levy Board Veterinary Advisory Committee between 1997 and 2006. She is currently a memmber of the Animal Sector Committee of the Knowledge Transfer Network. She was awarded the Research Medal of the Royal Agricultural Society of England (RASE) in 2006 with respect to her research on dairy cow fertility. In 2009 she was made a guest professor at Huazhong Agricultural University, China. She is a Fellow of the Royal Agricultural Society of England and of the Society of Biology.


David Leaver

Emeritus Professor Royal Agricultural University

David is from a dairy farming background, and has had a career in agricultural research and education specialising in dairy systems.

He led the establishment of SAC's Crichton Royal Dairy Research Centre and went on to be Professor of Agriculture at Wye College, University of London, and Principal and Chief Executive of the Royal Agricultural College.

Currently he is President of RABDF and BIAC and is a member of the Commercial Farmers Group.


Mike van Amburgh

Cornell University

Mike is devoted to discovery and problem solving contemporary issues in nutrition, physiology and management in the dairy and livestock industries and disseminating new knowledge to students and the industry.


James Lamburn

University of Reading Farms Manager



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