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- Publications
- Influence
Effects of the inclusion of yeast culture (Saccharomyces cerevisiae plus growth medium) in the diet of dairy cows on milk yield and forage degradation and fermentation patterns in the rumen of steers.
- P. E. Williams, C. Tait, G. M. Innes, C. Newbold
- Biology, Medicine
- Journal of animal science
- 1 July 1991
The effects of including yeast culture (YC; Saccharomyces cerevisae plus growth medium; 5 x 10(9) organisms/g) in diets for ruminants was examined in two experiments. In Exp. 1, 32 multiparous… Expand
Different strains of Saccharomyces cerevisiae differ in their effects on ruminal bacterial numbers in vitro and in sheep.
- C. Newbold, R. Wallace, X. B. Chen, F. Mcintosh
- Biology, Medicine
- Journal of animal science
- 1 June 1995
A ruminal simulation device (Rusitec) was used to compare the effects of Saccharomyces cerevisiae strains NCYC 240, NCYC 694, NCYC 1026, NCYC 1088, and Yea-Sacc (a commercial product containing S.… Expand
Redirecting rumen fermentation to reduce methanogenesis
- T. McAllister, C. Newbold
- Chemistry
- 21 January 2008
McAllister, T. A., Newbold, C. J. (2008). Redirecting rumen fermentation to reduce methanogenesis. Australian Journal of Experimental Agriculture, 48, (1-2), 7-13.
Effects of Essential Oils on Ruminal Microorganisms and Their Protein Metabolism
- F. Mcintosh, P. Williams, R. Losa, R. Wallace, D. Beever, C. Newbold
- Biology, Medicine
- Applied and Environmental Microbiology
- 1 August 2003
ABSTRACT A commercial blend of essential oil (EO) compounds was added to a grass, maize silage, and concentrate diet fed to dairy cattle in order to determine their influence on protein metabolism by… Expand
Influence of Yucca shidigera extract on ruminal ammonia concentrations and ruminal microorganisms.
- R. Wallace, L. Arthaud, C. Newbold
- Biology, Medicine
- Applied and environmental microbiology
- 1 June 1994
An extract of the desert plant Yucca shidigera was assessed for its possible benefit in ruminal fermentation. The extract bound ammonia in aqueous solution when concentrations of ammonia were low (up… Expand
Mode of action of the yeast Saccharomyces cerevisiae as a feed additive for ruminants.
- C. Newbold, R. Wallace, F. Mcintosh
- Biology, Medicine
- The British journal of nutrition
- 1 August 1996
Two suggested modes of action of yeast in stimulating rumen fermentation were investigated. The first, that yeast respiratory activity protects anaerobic rumen bacteria from damage by O2, was tested… Expand
EFFECTS OF A SPECIFIC BLEND OF ESSENTIAL OIL COMPOUNDS ON RUMEN FERMENTATION
- C. Newbold, F. Mcintosh, P. Williams, R. Losa, R. J. Wallace
- Biology
- 3 May 2004
Effects of a specific preparation of essential oil compounds on rumen fermentation were determined using four mature sheep, each fitted with a permanent rumen cannula and receiving 110 mg per day of… Expand
Plant extracts to manipulate rumen fermentation
- K. J. Hart, D. Yáñez-Ruiz, S. Duval, N. McEwan, C. Newbold
- Biology
- 14 November 2008
The removal of antibiotic growth-promoters has led to an increased interest in alternative means of manipulating rumen fermentation. In this review we consider one of the possible alternatives:… Expand
Natural Products as Manipulators of Rumen Fermentation
- R. J. Wallace, N. McEwan, F. Mcintosh, B. Teferedegne, C. Newbold
- Biology
- 2002
Wallace, R. J., McEwan, N. R., McIntosh, F. M., Teferedegne, B., Newbold, C. J. (2002). Natural products as manipulators of rumen fermentation. Asian-Australian Journal of Animal Science, 15 (10),… Expand
The Role of Ciliate Protozoa in the Rumen
- C. Newbold, G. de la Fuente, A. Belanche, E. Ramos-Morales, N. R. McEwan
- Biology, Medicine
- Front. Microbiol.
- 26 November 2015
First described in 1843, Rumen protozoa with their striking appearance were assumed to be important for the welfare of their host. However, despite contributing up to 50% of the bio-mass in the… Expand