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Comparative protein and fibre degradation measured in situ in the caecum of ponies and in the rumen of steers

Published online by Cambridge University Press:  05 November 2021

Hyslop J.J ,
Jessop N.S ,
Stefansdottir G.J  and
Cuddeford D
Hyslop J.J
Affiliation:
Dept. Vet Clinical Studies, Edinburgh University, Vet Field Station, Easter Bush, Roslin, Midlothian EH25 9RG, UK
Jessop N.S
Affiliation:
Institute of Ecology and Resource Management, Edinburgh University, West Mains Road, Edinburgh EH9 3JG, UK
Stefansdottir G.J
Affiliation:
Dept. Vet Clinical Studies, Edinburgh University, Vet Field Station, Easter Bush, Roslin, Midlothian EH25 9RG, UK
Cuddeford D
Affiliation:
Dept. Vet Clinical Studies, Edinburgh University, Vet Field Station, Easter Bush, Roslin, Midlothian EH25 9RG, UK
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Extract

Previous work has shown that equids generally have lower apparent digestibilities in vivo compared to ruminants. This observation may be due to either; (1) higher rates of passage through the digestive tract of equids compared to ruminants; (2) less opportunity for absorption of microbial digestion end products following hindgut fermentation in equids compared to foregut fermentation in ruminants; or (3) to caecal and colonic micro-organisms in equids being less efficient at feed constituent degradation compared to ruminal micro-organisms. To test this latter possibility, this experiment examines the hypothesis that feed constituents will be degraded to a similar extent when exposed to either an equid hindgut or a ruminal foregut microflora for the same time periods.

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Proceedings of the British Society of Animal Science , Volume 1997 , 1997 , pp. 121
Copyright
Copyright © British Society of Animal Science 1997

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References

Dhanoa, M.S. 1988. On the analysis of dacron bag data for low degradability feeds. Grass and Forage Science 43: 441–444.CrossRefGoogle Scholar