Hostname: page-component-586b7cd67f-rdxmf Total loading time: 0 Render date: 2024-11-23T14:13:10.311Z Has data issue: false hasContentIssue false
  • English
  • Français

Combined effects of aspergillus oryzae fermentation extract (amaferm; ao) and monensin on fermentation in the rumen simulation technique (rusitec)

Published online by Cambridge University Press:  24 November 2017

N. McKain ,
C.J. Newbold  and
R.J. Wallace
N. McKain
Affiliation:
Rowett Research Institute, Bucksburn. Aberdeen AB2 9SB
C.J. Newbold
Affiliation:
Rowett Research Institute, Bucksburn. Aberdeen AB2 9SB
R.J. Wallace
Affiliation:
Rowett Research Institute, Bucksburn. Aberdeen AB2 9SB
Get access

Extract

Monensin, an ionophore, and AO, a fungal feed additive, are growth promoters which modify rumen fermentation. Previous studies have shown that monensin increased propionate, the efficiency of bacterial growth and the flow of protein from the rumen and decreased methane production and fibre digestion (Schelling, 1984), whereas AO increased bacterial numbers and fibre digestion and lowered methane production (Frumholtz et al., 1989; Fondevila et al., 1990). The aim of the present study was to determine, using Rusitec, the effects on rumen fermentation of combining these additives.

Type
Ruminant Nutrition
Information
Proceedings of the British Society of Animal Production (1972) , Volume 1991 , March 1991 , pp. 112
Copyright
Copyright © The British Society of Animal Production 1991

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

Fondevila, M., Newbold, C. J., Hotten, P. M. & Orskov, E. R. (1990). A note on the effect of Aspergillus oryzae fermentation extract on the rumen fermentation of sheep given straw. Anim. Prod. 51, 422–425.Google Scholar
Frumholtz, P. P., Newbold, C. J. & Wallace, R. J. (1989). Influence of Aspergillus oryzae fermentation extract on the fermentation of a basal ration in the rumen simulation technique (Rusitec). J. Agric. Sci., Camb. 113, 169–172.Google Scholar
Schelling, G. T. (1984). J. Anim. Sci. 58, 1518–1527.Google Scholar
Wallace, R. J. (1983). Hydrolysis of 14C-labelled proteins by rumen microorganisms and by proteolytic enzymes prepared from rumen bacteria. Br. J. Nutr. 50, 345–355 Google Scholar
Wallace, R. J., Broderick, G. A. & Brammall, M. L. (1987). Microbial protein and peptide metabolism in rumen fluid from faunated and ciliate- free sheep. Br. J. Nutr. 58, 87–93 CrossRefGoogle ScholarPubMed
Wallace, R. J. & McKain, N. (1989). Analysis of peptide metabolism by rurninal microorganisms. App. Environ. Microbiol. 55, 2372–2376.Google Scholar