Richard Dewhurst

Prof

  • Crichton Estate, SAC Consulting, Heston House

    DG1 4TA Dumfries

    United Kingdom

1986 …2020

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2020

A bio-economic model for cost analysis of alternative management strategies in beef finishing systems

Kamilaris, C., Dewhurst, RJ., Vosough Ahmadi, B., Crosson, P. & Alexander, P., Apr 2020, In : Agricultural Systems. 180, 102713.

Research output: Contribution to journalArticle

A knowledge-driven network-based analytical framework for the identification of rumen metabolites

Wang, M., Wang, H., Zheng, H., Dewhurst, R. J. & Roehe, R., Jul 2020, In : IEEE Transactions on Nanobioscience. 19, 3, p. 518-526 9 p.

Research output: Contribution to journalArticle

Open Access
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5 Downloads (Pure)

Identification of complex rumen microbiome interaction within diverse functional niches as mechanisms affecting the variation of methane emissions in bovine

Martinez Alvaro, M., Auffret, MD., Stewart, R. D., Dewhurst, RJ., Duthie, C-A., Rooke, JA., Wallace, R. J., Shih, B., Freeman, T. C., Watson, M. & Roehe, R., 17 Apr 2020, In : Frontiers in Microbiology. 11, 659.

Research output: Contribution to journalArticle

Open Access
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1 Downloads (Pure)
Open Access
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15 Downloads (Pure)
Open Access
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1 Citation (Scopus)
5 Downloads (Pure)

Nuclear Magnetic Resonance to Detect Rumen Metabolites Associated with Enteric Methane Emissions from Beef Cattle

Bica, R., Palarea-Albaladejo, J., Kew, W., Uhrin, D., Pacheco, D., Macrae, A. & Dewhurst, RJ., 27 Mar 2020, In : Scientific Reports. 10, 5578.

Research output: Contribution to journalArticle

Open Access
2019

A parsimonious software sensor for estimating the individual dynamic pattern of methane emissions from cattle

Munoz-Tamayo, R., Ramirez Agudelo, JF., Dewhurst, RJ., Miller, G., Vernon, T. & Kettle, H., Jun 2019, In : Animal. 13, 6, p. 1180-1187 8 p.

Research output: Contribution to journalArticle

Open Access
File
1 Citation (Scopus)
1 Downloads (Pure)

Identification of rumen microbial genes involved in pathways linked to appetite, growth and feed conversion efficiency in cattle

Lima, J., Auffret, M., Stewart, R. D., Dewhurst, RJ., Duthie, C-A., Snelling, T. J., Walker, A. W., Freeman, T. C., Watson, M. & Roehe, R., 8 Aug 2019, In : Frontiers in Genetics. 10, 701.

Research output: Contribution to journalArticle

Open Access
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2 Citations (Scopus)
20 Downloads (Pure)

Temporal stability of the rumen microbiota in beef cattle, and response to diet and supplements

Snelling, T. J., Auffret, MD., Duthie, C-A., Stewart, R. D., Watson, M., Dewhurst, RJ., Roehe, R. & Walker, A. W., 19 Nov 2019, In : Animal Microbiome. 1, 16, p. 1-14 14 p., 16.

Research output: Contribution to journalArticle

Open Access
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2018

Assembly of 913 microbial genomes from metagenomic sequencing of the cow rumen

Stewart, RD., Auffret, MD., Warr, A., Wiser, AH., Press, MO., Langford, KW., Liachko, I., Snelling, TJ., Dewhurst, RJ., Walker, AW., Roehe, R. & Watson, M., 28 Feb 2018, In : Nature Communications. 9, 870.

Research output: Contribution to journalArticle

Open Access
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98 Citations (Scopus)
16 Downloads (Pure)
Open Access
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3 Citations (Scopus)
9 Downloads (Pure)

Fat accretion measurements strengthen the relationship between feed conversion efficiency and nitrogen isotopic discrimination while rumen microbial genes contribute little

Meale, SJ., Auffret, MD., Watson, M., Morgavi, DP., Cantalapiedra-Hijar, G., Duthie, C-A., Roehe, R. & Dewhurst, RJ., 1 Mar 2018, In : Scientific Reports. 8, 1, 7 p., 3854.

Research output: Contribution to journalArticle

Open Access
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2 Citations (Scopus)
4 Downloads (Pure)

Identification, comparison and validation of robust rumen microbial biomarkers for methane emissions using diverse Bos taurus breeds and basal diets

Auffret, MD., Stewart, R., Dewhurst, RJ., Duthie, C-A., Rooke, JA., Wallace, RJ., Freeman, TC., Snelling, TJ., Watson, M. & Roehe, R., 9 Jan 2018, In : Frontiers in Microbiology. 8, 15 p., 2642.

Research output: Contribution to journalArticle

Open Access
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18 Citations (Scopus)
4 Downloads (Pure)
Open Access
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8 Downloads (Pure)
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10 Downloads (Pure)
2017

Compositional mixed modelling of methane emissions and ruminal volatile fatty acids from individual cattle and multiple experiments

Palarea-Albaladejo, J., Rooke, JA., Nevison, IM. & Dewhurst, RJ., 8 Jun 2017, In : Journal of Animal Science. 95, 6, p. 2467 - 2480 14 p.

Research output: Contribution to journalArticle

Open Access
File
10 Citations (Scopus)
24 Downloads (Pure)

Integrated metagenomic analyses of the rumen microbiome of cattle reveals key biological mechanisms associated with methane traits

Wang, H., Zheng, H., Browne, F., Roehe, R., Dewhurst, RJ., Engel, F., Hemmje, M., Lu, X. & Walsh, P., 9 Jun 2017, In : Methods. 124, p. 108 - 119 12 p.

Research output: Contribution to journalArticle

Open Access
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10 Citations (Scopus)
22 Downloads (Pure)

Nitrogen isotopic fractionation as a biomarker for nitrogen use efficiency in ruminants: a meta analysis

Cantalapiedra-Hijar, G., Dewhurst, RJ., Cheng, L., Cabrita, ARJ., Fonseca, AJM., Noziere, P., Makowski, D., Fouillet, H. & Ortigues-Marty, I., 29 Dec 2017, In : Animal. 12, 9, p. 1827 - 1837 11 p.

Research output: Contribution to journalArticle

Open Access
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7 Citations (Scopus)
3 Downloads (Pure)

The rumen microbiome as a reservoir of antimicrobial resistance and pathogenicity genes is directly affected by diet in beef cattle

Auffret, MD., Dewhurst, RJ., Duthie, C-A., Rooke, JA., Wallace, RJ., Freeman, TC., Stewart, R., Watson, M. & Roehe, R., 11 Dec 2017, In : Microbiome. 5, 159.

Research output: Contribution to journalArticle

Open Access
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25 Citations (Scopus)
2 Downloads (Pure)
2016

Bovine host genetic variation influences rumen microbial methane production with best selection criterion for low methane emitting and efficiently feed converting hosts based on metagenomic gene abundance

Roehe, R., Dewhurst, RJ., Duthie, C-A., Rooke, JA., McKain, N., Ross, DW., Hyslop, JJ., Waterhouse, A., Freeman, TC., Watson, M. & Wallace, RJ., 18 Feb 2016, In : PLoS Genetics. 12, 2, p. 3 - 9 7 p.

Research output: Contribution to journalArticle

Open Access
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118 Citations (Scopus)
2 Downloads (Pure)

The effect of dietary water soluble carbohydrate to nitrogen ratio on nitrogen partitioning and isotopic fractionation of lactating goats offered a high-nitrogen diet

Cheng, L., Edwards, GR., Dewhurst, RJ., Nicol, AM. & Pacheco, D., May 2016, In : Animal. 10, 5, p. 779 - 785 7 p.

Research output: Contribution to journalArticle

4 Citations (Scopus)
2015

Associative effects of ensiling mixtures of sweet sorghum and alfalfa on nutritive value, fermentation and methane characteristics

Zhang, SJ., Chaudhry, AS., Osman, A., Shi, CQ., Edwards, GR., Dewhurst, RJ. & Cheng, L., 2015, In : Animal Feed Science and Technology. 206, p. 29 - 38

Research output: Contribution to journalArticle

Open Access
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22 Citations (Scopus)
10 Downloads (Pure)

Effects of feed intake and genetics on tissue nitrogen-15 enrichment and feed conversion efficiency in sheep

Cheng, L., Logan, CM., Dewhurst, RJ., Hodge, S., Zhou, H. & Edwards, GR., 2015, In : Journal of Animal Science. 93, 12, p. 5849 - 5855

Research output: Contribution to journalArticle

2 Citations (Scopus)

Effects of supplementing a mixed diet with echium (Echium plantagineum) oil on methanogenesis in a rumen simulation system

Amaro, P., Maia, MRG., Dewhurst, RJ., Fonseca, AJM. & Cabrita, ARJ., 2015, In : Journal of Animal and Feed Sciences. 24, 1, p. 3 - 10 8 p.

Research output: Contribution to journalArticle

Open Access
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5 Downloads (Pure)
2014

Analysis of major fatty acids in milk produced from high-quality grazed pasture

Rugoho, I., Liu, Y. & Dewhurst, R. J., 15 Jul 2014, In : New Zealand Journal of Agricultural Research. 57, 3, p. 165-179

Research output: Contribution to journalArticle

5 Citations (Scopus)
5 Citations (Scopus)

Nitrogen partitioning, energy use efficiency and isotopic fractionation measurements from cows differing in genetic merit fed low-quality pasture in late lactation

Cheng, L., Woodward, SL., Dewhurst, RJ., Zhou, H. & Edwards, GR., 2014, In : Animal Production Science. 54, 10, p. 1651 - 1656 6 p.

Research output: Contribution to journalArticle

Open Access
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8 Citations (Scopus)
12 Downloads (Pure)

Plasma nitrogen isotopic fractionation and feed efficiency in growing beef heifers

Wheadon, N. M., McGee, M., Edwards, G. R. & Dewhurst, R. J., 14 May 2014, In : British Journal of Nutrition. 111, 9, p. 1705-1711

Research output: Contribution to journalArticle

14 Citations (Scopus)

Short communication: Relationship between the efficiency of utilization of feed nitrogen and 15N enrichment in casein from lactating dairy cows

Cabrita, ARJ., Fonseca, AJM. & Dewhurst, RJ., 2014, In : Journal of Dairy Science. 97, 11, p. 7225 - 7229 5 p.

Research output: Contribution to journalArticle

Open Access
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7 Citations (Scopus)
2 Downloads (Pure)

Using archaeol to investigate the location of methanogens in the ruminant digestive tract

McCartney, C. A., Bull, I. D. & Dewhurst, R. J., Jun 2014, In : Livestock Science. 164, p. 39-45

Research output: Contribution to journalArticle

8 Citations (Scopus)
2013

Assessment of archaeol as a molecular proxy for methane production in cattle

McCartney, C. A., Bull, I. D., Yan, T. & Dewhurst, R. J., Feb 2013, In : Journal of Dairy Science. 96, 2, p. 1211-1217

Research output: Contribution to journalArticle

28 Citations (Scopus)

Effects of protein sources on concentrations of hydrogen sulphide in the rumen headspace gas of dairy cows

Fonseca, A. J. M., Cabrita, A. R. J., Pinho, L. A. O., Kim, E. J. & Dewhurst, R. J., Jan 2013, In : Animal. 7, 1, p. 75-81

Research output: Contribution to journalArticle

1 Citation (Scopus)

Technical note: Comparison of biomarker and molecular biological methods for estimating methanogen abundance

McCartney, C. A., Bull, I. D., Waters, S. M. & Dewhurst, R. J., Dec 2013, In : Journal of Animal Science. 91, 12, p. 5724-5728

Research output: Contribution to journalArticle

7 Citations (Scopus)

Technical note: Nitrogen isotopic fractionation can be used to predict nitrogen-use efficiency in dairy cows fed temperate pasture

Cheng, L., Sheahan, A. J., Gibbs, S. J., Rius, A. G., Kay, J. K., Meier, S., Edwards, G. R., Dewhurst, R. J. & Roche, J. R., 2013, In : Journal of Animal Science. 91, 12

Research output: Contribution to journalArticle

14 Citations (Scopus)

The effects of dietary nitrogen to water-soluble carbohydrate ratio on isotopic fractionation and partitioning of nitrogen in non-lactating sheep

Cheng, L., Nicol, A. M., Dewhurst, R. J. & Edwards, G. R., Aug 2013, In : Animal. 7, 8, p. 1274-1279

Research output: Contribution to journalArticle

12 Citations (Scopus)
2012

Effect of grass dry matter intake and fat supplementation on progesterone metabolism in lactating dairy cows

Hutchinson, I. A., Dewhurst, R. J., Evans, A. C. O., Lonergan, P. & Butler, S. T., 2012, In : Theriogenology. 78, 4, p. 878-886

Research output: Contribution to journalArticle

7 Citations (Scopus)

Effect of supplementation with different fat sources on the mechanisms involved in reproductive performance in lactating dairy cattle

Hutchinson, I. A., Hennessy, A. A., Waters, S. M., Dewhurst, R. J., Evans, A. C. O., Lonergan, P. & Butler, S. T., 2012, In : Theriogenology. 78, 1, p. 12-27

Research output: Contribution to journalArticle

22 Citations (Scopus)

Effects of increasing levels of stearidonic acid on methane production in a rumen in vitro system

Amaro, P., Maia, M. R. G., Dewhurst, R. J., Fonseca, A. J. M. & Cabrita, A. R. J., 2012, In : Animal Feed Science and Technology. 173, 3-4, p. 252-260

Research output: Contribution to journalArticle

5 Citations (Scopus)
19 Citations (Scopus)
2011

Analysis of archaeal ether lipids in bovine faeces

Gill, F. L., Dewhurst, R. J., Evershed, R. P., McGeough, E., O'Kiely, P., Pancost, R. D. & Bull, I. D., 23 Jun 2011, In : Animal Feed Science and Technology. 167-67, p. 87-92

Research output: Contribution to journalArticle

17 Citations (Scopus)

Effects of dietary protein concentration and balance of absorbable amino acids on productive responses of dairy cows fed corn silage-based diets

Cabrita, A. R. J., Dewhurst, R. J., Melo, D. S. P., Moorby, J. M. & Fonseca, A. J. M., 2011, In : Journal of Dairy Science. 94, 9, p. 4647-4656

Research output: Contribution to journalArticle

19 Citations (Scopus)

Effects of lipid-encapsulated conjugated linoleic acid supplementation on milk production, bioenergetic status and indicators of reproductive performance in lactating dairy cows

Hutchinson, I., de Veth, M. J., Stanton, C., Dewhurst, R. J., Lonergan, P., Evans, A. C. O. & Butler, S. T., Aug 2011, In : Journal of Dairy Research. 78, 3, p. 308-317

Research output: Contribution to journalArticle

19 Citations (Scopus)

Nitrogen partitioning and isotopic fractionation in dairy cows consuming diets based on a range of contrasting forages

Cheng, L., Kim, E. J., Merry, R. J. & Dewhurst, R. J., 2011, In : Journal of Dairy Science. 94, 4, p. 2031-2041

Research output: Contribution to journalArticle

31 Citations (Scopus)

SIMSDAIRY: A modelling framework to identify sustainable dairy farms in the UK. Framework description and test for organic systems and N fertiliser optimisation

Del Prado, A., Misselbrook, T., Chadwick, D., Hopkins, A., Dewhurst, R. J., Davison, P., Butler, A., Schroder, J. & Scholefield, D., Sep 2011, In : Science of the Total Environment. 409, 19, p. 3993-4009

Research output: Contribution to journalArticle

40 Citations (Scopus)
2010

Archaeol - a biomarker for foregut fermentation in modern and ancient herbivorous mammals?

Gill, FL., Dewhurst, RJ., Dungait, JAJ., Evershed, RP., Ives, L., Li, CS., Pancost, RD., Sullivan, M., Bera, S. & Bull, ID., May 2010, In : Organic Geochemistry. 41, 5, p. 467-472

Research output: Contribution to journalArticle

31 Citations (Scopus)

Effects of forage NDF content and body condition score on forage intake by Holstein-Friesian dairy cows in the dry period

Dewhurst, RJ., Davies, DWR. & Fisher, WJ., Jan 2010, In : Animal. 4, 1, p. 76-80

Research output: Contribution to journalArticle

2 Citations (Scopus)

Effects of mixtures of red clover and maize silages on the partitioning of dietary nitrogen between milk and urine by dairy cows

Dewhurst, RJ., Davies, LJ. & Kim, EJ., May 2010, In : Animal. 4, 5, p. 732-738

Research output: Contribution to journalArticle

13 Citations (Scopus)
2009

Effects of dietary starch source and buffers on milk responses and rumen fatty acid biohydrogenation in dairy cows fed maize silage-based diets

Cabrita, ARJ., Vale, JMP., Bessa, RJB., Dewhurst, RJ. & Fonseca, AJM., Aug 2009, In : Animal Feed Science and Technology. 152, 3-4, p. 267-277

Research output: Contribution to journalArticle

18 Citations (Scopus)

Effects of silage digestibility on intake and body reserves of dry cows and performance in the first part of the next lactation

Dewhurst, RJ., Davies, DWR. & Fisher, WJ., Dec 2009, In : Animal. 3, 12, p. 1721-1727

Research output: Contribution to journalArticle

3 Citations (Scopus)