John Newbold

Prof

  • Crichton Estate, SAC Consulting, Heston House

    DG1 4TA Dumfries

    United Kingdom

1987 …2020

Research output per year

If you made any changes in Pure these will be visible here soon.

Research Output

Filter
Article
2019

The Effect of Milk Replacer Composition on the Intestinal Microbiota of Pre-ruminant Dairy Calves

Badman, J., Daly, K., Kelly, J., Moran, A. W., Cameron, J., Watson, I., Newbold, J. & Shirazi-Beechey, S. P., 24 Oct 2019, In : Frontiers in Veterinary Science. 6, 371.

Research output: Contribution to journalArticle

Open Access
File
12 Downloads (Pure)
2018

Production of N2 and N2O from nitrate ingested by sheep

de Raphelis-Soissan, V., Nolan, J., Godwin, I., Newbold, JR., Eyre, BD., Erler, DV. & Hegarty, R., 2018, In : Journal of Animal Physiology and Animal Nutrition. 102, 1, p. e176-e182 6 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)
2017

Paraffin-wax-coated nitrate salt inhibits short-term methane production in sheep and reduces the risk of nitrite toxicity

de Raphélis-Soissan, V., Nolan, J. V., Godwin, I. R., Newbold, J. R., Perdok, H. B. & Hegarty, R. S., Jul 2017, In : Animal Feed Science and Technology. 229, p. 57-64 8 p.

Research output: Contribution to journalArticle

9 Citations (Scopus)
2016

Can adaptation to nitrate supplementation and provision of fermentable energy reduce nitrite accumulation in rumen contents in vitro?

De Raphélis-Soissan, V., Nolan, J. V., Newbold, J. R., Godwin, I. R. & Hegarty, R. S., 9 Feb 2016, In : Animal Production Science. 56, 3, p. 605-612 8 p.

Research output: Contribution to journalArticle

8 Citations (Scopus)
2015

Rumen microbial community composition varies with diet and host, but a core microbiome is found across a wide geographical range

Global Rumen Census Collaborators, 9 Oct 2015, In : Scientific Reports. 5, 14567.

Research output: Contribution to journalArticle

Open Access
419 Citations (Scopus)
2012

Dietary nitrate supplementation reduces methane emission in beef cattle fed sugarcane-based diets

Hulshof, R. B. A., Berndt, A., Gerrits, W. J. J., Dijkstra, J., van Zijderveld, S. M., Newbold, J. R. & Perdok, H. B., 1 Jul 2012, In : Journal of Animal Science. 90, 7, p. 2317-2323 7 p.

Research output: Contribution to journalArticle

94 Citations (Scopus)
2011

Dietary inclusion of diallyl disulfide, yucca powder, calcium fumarate, an extruded linseed product, or medium-chain fatty acids does not affect methane production in lactating dairy cows

van Zijderveld, S. M., Dijkstra, J., Perdok, H. B., Newbold, J. R. & Gerrits, W. J. J., 1 Jun 2011, In : Journal of Dairy Science. 94, 6, p. 3094-3104 11 p.

Research output: Contribution to journalArticle

Open Access
38 Citations (Scopus)

Effects of a combination of feed additives on methane production, diet digestibility, and animal performance in lactating dairy cows

Van Zijderveld, S. M., Fonken, B., Dijkstra, J., Gerrits, W. J. J., Perdok, H. B., Fokkink, W. & Newbold, J. R., 1 Mar 2011, In : Journal of Dairy Science. 94, 3, p. 1445-1454 10 p.

Research output: Contribution to journalArticle

Open Access
49 Citations (Scopus)

Persistency of methane mitigation by dietary nitrate supplementation in dairy cows

Van Zijderveld, S. M., Gerrits, W. J. J., Dijkstra, J., Newbold, J. R., Hulshof, R. B. A. & Perdok, H. B., 1 Aug 2011, In : Journal of Dairy Science. 94, 8, p. 4028-4038 11 p.

Research output: Contribution to journalArticle

Open Access
140 Citations (Scopus)

Relationships between methane production and milk fatty acid profiles in dairy cattle

Dijkstra, J., van Zijderveld, S. M., Apajalahti, J. A., Bannink, A., Gerrits, W. J. J., Newbold, J. R., Perdok, H. B. & Berends, H., 23 Jun 2011, In : Animal Feed Science and Technology. 166-167, p. 590-595 6 p.

Research output: Contribution to journalArticle

85 Citations (Scopus)
2010

Effect of induction of subacute ruminal acidosis on milk fat profile and rumen parameters

Colman, E., Fokkink, W. B., Craninx, M., Newbold, J. R., De Baets, B. & Fievez, V., 1 Oct 2010, In : Journal of Dairy Science. 93, 10, p. 4759-4773 15 p.

Research output: Contribution to journalArticle

Open Access
50 Citations (Scopus)

Nitrate and sulfate: Effective alternative hydrogen sinks for mitigation of ruminal methane production in sheep

van Zijderveld, S. M., Gerrits, W. J. J., Apajalahti, J. A., Newbold, J. R., Dijkstra, J., Leng, R. A. & Perdok, H. B., 1 Dec 2010, In : Journal of Dairy Science. 93, 12, p. 5856-5866 11 p.

Research output: Contribution to journalArticle

Open Access
170 Citations (Scopus)

Vitamin E supplementation during the dry period in dairy cattle. Part I: Adverse effect on incidence of mastitis postpartum in a double-blind randomized field trial

Bouwstra, R. J., Nielen, M., Stegeman, J. A., Dobbelaar, P., Newbold, J. R., Jansen, E. H. J. M. & van Werven, T., 1 Dec 2010, In : Journal of Dairy Science. 93, 12, p. 5684-5695 12 p.

Research output: Contribution to journalArticle

Open Access
31 Citations (Scopus)

Vitamin E supplementation during the dry period in dairy cattle. Part II: Oxidative stress following vitamin E supplementation may increase clinical mastitis incidence postpartum

Bouwstra, R. J., Nielen, M., Newbold, J. R., Jansen, E. H. J. M., Jelinek, H. F. & van Werven, T., 1 Dec 2010, In : Journal of Dairy Science. 93, 12, p. 5696-5706 11 p.

Research output: Contribution to journalArticle

Open Access
35 Citations (Scopus)
2008

Effect of extruded linseed on productive and reproductive performance of lactating dairy cows

Fuentes, M. C., Calsamiglia, S., Sánchez, C., González, A., Newbold, J. R., Santos, J. E. P., Rodríguez-Alcalá, L. M. & Fontecha, J., 1 Feb 2008, In : Livestock Science. 113, 2-3, p. 144-154 11 p.

Research output: Contribution to journalArticle

30 Citations (Scopus)

Effects of rumen-protected choline supplementation on milk production and choline supply of periparturient dairy cows

Elek, P., Newbold, J. R., Gaal, T., Wagner, L. & Husveth, F., 1 Nov 2008, In : Animal. 2, 11, p. 1595-1601 7 p.

Research output: Contribution to journalArticle

33 Citations (Scopus)

Nutrition, metabolism, and fertility in dairy cows: 3. Amino acids and ovarian function

Garnsworthy, P. C., Gong, J. G., Armstrong, D. G., Newbold, J. R., Marsden, M., Richards, S. E., Mann, G. E., Sinclair, K. D. & Webb, R., Nov 2008, In : Journal of Dairy Science. 91, 11, p. 4190-4197 8 p.

Research output: Contribution to journalArticle

Open Access
21 Citations (Scopus)

The relationship between oxidative damage and Vitamin e concentration in blood, milk, and liver tissue from Vitamin e supplemented and nonsupplemented periparturient heifers

Bouwstra, R. J., Goselink, R. M. A., Dobbelaar, P., Nielen, M., Newbold, J. R. & Van Werven, T., Mar 2008, In : Journal of Dairy Science. 91, 3, p. 977-987 11 p.

Research output: Contribution to journalArticle

Open Access
55 Citations (Scopus)

Vérplazmamutatók és a máj lipidtartalma közötti összefuggések vizsgálata nagy tejhozamú tehenekben

Translated title of the contribution: Relationship between blood parameters and lipid content of liver in dairy cows of high performanceElek, P., Karcagi, R., Newbold, J., Gaál, T., Wágner, L. & Husvéth, F., 26 Jun 2008, In : Magyar Allatorvosok Lapja. 130, 6, p. 323-327 5 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)
2007

Towards a biological basis for predicting nutrient partitioning: The dairy cow as an example

Friggens, N. C. & Newbold, J. R., 1 Feb 2007, In : Animal. 1, 1, p. 87-97 11 p.

Research output: Contribution to journalArticle

Open Access
51 Citations (Scopus)
2001

Effects of postrumen starch infusion on milk production and energy metabolism in dairy cows

Reynolds, C. K., Cammell, S. B., Humphries, D. J., Beever, D. E., Sutton, J. D. & Newbold, J. R., Oct 2001, In : Journal of Dairy Science. 84, 10, p. 2250-2259 10 p.

Research output: Contribution to journalArticle

Open Access
61 Citations (Scopus)
1995
74 Citations (Scopus)
1992

Effect of asynchronous nitrogen and energy supply on growth of ruminal bacteria in batch culture.

Newbold, J. R. & Rust, S. R., Feb 1992, In : Journal of Animal Science. 70, 2, p. 538-546 9 p.

Research output: Contribution to journalArticle

43 Citations (Scopus)
1990
9 Citations (Scopus)
1988

Responses of British Friesian steers with or without implants of oestradiol-17β to undegradable dietary protein

Newbold, J. R., Garnsworthy, P. C., Buttery, P. J., Cole, D. J. A. & Haresign, W., Apr 1988, In : Animal production. 46, 2, p. 181-193 13 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)
1987

Protein nutrition of growing cattle: Food intake and growth responses to rumen degradable protein and undegradable protein

Newbold, J. R., Garnsworthy, P. C., Buttery, P. J., Cole, D. J. A. & Haresign, W., Dec 1987, In : Animal production. 45, 3, p. 383-394 12 p.

Research output: Contribution to journalArticle

13 Citations (Scopus)