John Newbold


  • Barony Campus, Parkgate

    DG1 3NE Dumfries

    United Kingdom

1987 …2021

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Personal profile

Research interests

I am a dairy nutrition scientist with experience in the international feed industry, working to connect science and practice.

My interests are:

  • Mammary physiology: rate of synthesis of milk protein, fat and lactose
  • Intemediary metabolism: the pathways of nutrients after absorption
  • Rumen physiology: digesting plant cell walls, building protein
  • Methane and manure: the other products of the system
  • Understanding feedstuffs: where the nutrients are
  • Calf development and growth: growing better cows


  • Optimising amino acid nutrition in periparturient dairy cows. EastBio Doctoral Training Programme, award date Apr 21
  • Halogenated compounds in seaweed – A new market opportunity for the UK seaweed industry. £50,000. Centre for the Environment, Fisheries and Aquaculture Science, Apr 21–Jul 21.
  • Evaluation of a methane mitigating feed additive in dairy calves. Commercial contract, £124,992. Apr 21-Mar22
  • Methane-inhibiting livestock feed supplements: review of net impacts, barriers to success and consumer acceptance. DEFRA, £70,768. Feb 21-Aug 21
  • Scoping Study on the Opportunities and Barriers of Improved Forages for Livestock Sustainability and Productivity. DEFRA, £12,548. Feb 21–Sep 21.
  • Commercial Livestock Research. Commercial contract, £24,000. Jul 20-Jul 21


  • PhD supervisor. Optimising amino acid nutrition in the periparturient cow. SRUC/University of Edinburgh, from Oct 21
  • PhD supervisor. Nitrate as a mitigator of enteric methane production. University of New England, Australia. Oct 13-Oct 17
  • PhD advisor. Novel approaches to improving calf health: new technology and data analytics. University of Edinburgh. Oct 20-
  • PhD advisor. Fatty acid nutrition of high-yielding dairy cows. Michigan State University, USA. Oct 20-
  • PhD advisor. Effects of energy source and amino acids on milk synthesis in the dairy cow. University of Wisconsin, Aug 21

Education/Academic qualification

PhD, University of Nottingham

1 Oct 198230 Jun 1987

Award Date: 21 Jul 1987


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