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Development of the mobile bag technique to determine the degradation kinetics of purified starch sources in the pre-caecal segment of the equine digestive tract

Published online by Cambridge University Press:  20 November 2017

B M L McLean ,
J J Hyslop ,
A C Longland ,
D Cuddeford  and
T Hollands
B M L McLean
Affiliation:
Dept. Of Vet. Clinical Studies, University of Edinburgh, Easter Bush, Roslin, Midlothian, EH25 9RG, UK
J J Hyslop
Affiliation:
Dept. Of Vet. Clinical Studies, University of Edinburgh, Easter Bush, Roslin, Midlothian, EH25 9RG, UK
A C Longland
Affiliation:
Institute of Grassland and Environmental Research, Plas Gogerddan, Aberystwyth, SY23 3EB, UK
D Cuddeford
Affiliation:
Dept. Of Vet. Clinical Studies, University of Edinburgh, Easter Bush, Roslin, Midlothian, EH25 9RG, UK
T Hollands
Affiliation:
Dodson & Horrell Ltd, Ringstead, Kettering, Northamptonshire, NN14 4BX
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Extract

Previous work has shown that the mobile bag technique (MBT) can be used to study the dynamics of digestive processes in the whole tract of ponies (Hyslop et al, 1998). This experiment further develops the MBT as a method to study feed degradation dynamics over time in the pre-caecal segment of the digestive tract of ponies.

Two caecally-fistulated mature Welsh-cross pony geldings (LW 270kg) were offered 4kg of dry matter (DM) per day of a 1:3 rolled barley:hay cube mix plus minerals, in 2 equal meals per day at 09:00 and 17:00h. Grass hay was also offered ad libitum between 17:00 and 09:00h. Two sizes of mobile bag (6 x 1 cm Ø-large and 4 x 1 cm Ø- small) made from monofilament polyester with a 7 μm pore size were used.

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Information
Proceedings of the British Society of Animal Science , Volume 1999 , 1999 , pp. 138
Copyright
Copyright © The British Society of Animal Science 1999

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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.Google Scholar
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Hyslop, J.J., Tomlinson, A.L., Bayley, A., Cuddeford, D. 1998. Development of the mobile bag technique to study the degradation dynamics of forage feed constituents in the whole digestive tract of equids. Proc. BSAS Winter meeting.Google Scholar