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The effect of short term intra-ruminal infusions of lactic acid on the voluntary intake of silage and hay fed steers

Published online by Cambridge University Press:  24 November 2017

M. Cole  and
M. Gill
M. Cole
Affiliation:
AFRC Institute of Grassland & Animal Production, Hurley Research Station, Hurley, Maidenhead, Berks. SL6 5LR
M. Gill
Affiliation:
ODNRI, Central Ave., Chatham Maritime, Chatham, Kent ME4 4TB
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Extract

Lactic acid is the predominant organic acid found in well preserved silages, accounting for up to 150 g/kg dry matter. However, lactic acid has been shown to have a depressive effect on the voluntary intake of hay and silage by cattle (Thomas et al, 1980; Montgomery et al, 1963). The objective of the present study was to investigate how the response of cattle to short term intra-ruminal infusions of lactic acid might be mediated, using fistulated steers adapted to diets of chopped hay or silage by measuring the patterns of feed consumption during the day, together with changes In the concentration of metabolites within the rumen.

Type
Rumen Metabolism
Information
Proceedings of the British Society of Animal Production (1972) , Volume 1990 , March 1990 , pp. 30
Copyright
Copyright © The British Society of Animal Production 1990

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References

Bergen, W.G.(1972). Rumen osmolality as a factor in feed intake control of sheep. J. Animal Sci 34, (6) 1054–1060 Google Scholar
Thomas, C, Gill, M. and Austin, A.R. (1980) The effect of supplements of fishmeal and lactic acid on the voluntary intake of silage by calves. Grass and Forage Sci. 35, 275–279 CrossRefGoogle Scholar
Montgomery, M.J., Schultz, L.H. and Baumgardt, B.R. (1963) Effect of intraruminal infusions of volatile fatty acids and lactic acid on voluntary food intake. J. Dairy Sci 46, 1380–1384 Google Scholar