Projects per year
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
Projects
- 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
Supervision
- 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, Protein nutrition of intensively reared cattle, University of Nottingham
1 Oct 1982 → 30 Jun 1987
Award Date: 21 Jul 1987
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Network
Recent external collaboration on country/territory level. Dive into details by clicking on the dots or
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Re-Livestock: Facilitating Innovations for Resilient Livestock Farming Systems
Newbold, J., Newbold, J. & Ramos-Morales, E.
1/09/22 → 31/08/27
Project: Research
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Carry-over Effect Of Enhanced Amino Acid Nutrition Of Dairy Cows In Very Early Lactation
15/06/22 → 30/06/24
Project: PhD project
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RESAS 22-27: SRUC-c2-1 Agriculture Climate And Carbon
Rees, B., Roehe, R., Duthie, C., Jones, S., Eory, V., Buckingham, S., March, M., Hargreaves, P., Topp, K., Holland, J., Miller, G., Houdijk, J., Newbold, J., MacLeod, M. & Bell, J.
Scottish Government: Rural & Environment Science & Analytical Services
1/04/22 → 31/03/27
Project: Research
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Existing and near-to-market methane reducing feed additives and technologies: Evidence of Efficacy, Regulatory Pathways to Market and Mechanisms to Incentivise Adoption
Miller, G. A., Eory, V., Duthie, C-A. & Newbold, JR., 2023, 105 p.Research output: Book/Report/Policy Brief/Technical Brief › Commissioned report
Open AccessFile143 Downloads (Pure) -
Reducing emissions from agriculture – the role of new farm technologies
Barnes, AP., Miller, G. A., Bowen, J. M., Waxenberg, KW., Newbold, JR., Duthie, C-A., Rees, RM., Eory, V., Roehe, R., Houdijk, JGM. & Farquhar, JA., 15 Feb 2023, The Scottish Government. 96 p.Research output: Book/Report/Policy Brief/Technical Brief › Commissioned report › peer-review
Open AccessFile43 Downloads (Pure) -
Seaweed for Enteric Methane Mitigation: A deep dive into the relevance for UK ruminant production
Miller, G. A., Duthie, C-A. & Newbold, JR., 2023, Scotland's Rural College (SRUC). 54 p.Research output: Book/Report/Policy Brief/Technical Brief › Research report
File1 Downloads (Pure) -
Sustainable utilization of fruit and vegetable waste bioresources for bioplastics production
Gong, L., Passari, A. K., Yin, C., Kumar Thakur, V., Newbold, J., Clark, W., Jiang, Y., Kumar, S. & Gupta, V. K., 15 Jan 2023, (First published) In: Critical Reviews in Biotechnology. p. 1-19 19 p.Research output: Contribution to journal › Review article › peer-review
1 Citation (Scopus) -
Effect of ammonia concentration on rumen microbial protein production in vitro.
Dewhurst, RJ. & Newbold, J., 28 Mar 2022, In: British Journal of Nutrition. 127, 6, p. 847-849 3 p.Research output: Contribution to journal › Comment/debate
Open AccessFile4 Citations (Scopus)15 Downloads (Pure)
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Scottish Dairy Growth Board workshop - moving towards net zero carbon emissions
John Newbold (Speaker) & Julian Bell (Speaker)
20 Jan 2022Activity: Talk, evidence or presentation types › Oral presentation
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Healthy liver leads to healthier transition
John Newbold (Speaker)
24 Feb 2022Activity: Talk, evidence or presentation types › Invited talk
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Amino acid balancing for high grass/grass silage diets
John Newbold (Speaker)
25 Feb 2021Activity: Talk, evidence or presentation types › Invited talk
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Methane inhibitors
John Newbold (Speaker)
25 Nov 2021Activity: Talk, evidence or presentation types › Invited talk
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The importance of dairy protein for healthy aging
John Newbold (Speaker)
31 May 2021Activity: Talk, evidence or presentation types › Invited talk
Press/Media
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COP26 round table discussion (podcast)
John Newbold, Bob Rees, Mark Reed, Davy McCracken, Peter Lindsay, Mads Fischer-Moller & Steven Thomson
23/09/21
1 Media contribution
Press/Media