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In vivo apparent digestibility of proximate constituents and non-starch polysaccharides in ponies offered botanically diverse fibre based diets

Published online by Cambridge University Press:  20 November 2017

M. J. S. Moore-Colyer ,
J. J. Hyslop ,
A. C. Longland  and
D. Cuddeford
M. J. S. Moore-Colyer
Affiliation:
Welsh Institute of Rural Studies, Llanbadarn Fawr, UWA, Aberystwyth, SY23 5EE, UK
J. J. Hyslop
Affiliation:
University of Edinburgh, Dept of Vet Clinical Studies, 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:
University of Edinburgh, Dept of Vet Clinical Studies, Easter Bush, Roslin, Midlothian EH25 9RG, UK
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Extract

Little information is available on digestion of the non-starch polysaccharide (NSP) fraction of fibrous feeds in equines. Two studies were conducted which examined the in vivo apparent digestibilities of proximate constituents and NSP in ponies offered diets based on botanically diverse fibrous foodstuffs.

In study 1 (S1), three mature caecally-fistulated Welsh-cross pony geldings (266 kg LW) were used in a 3 x 3 latin square changeover design experiment consisting of three 21 day periods. Ponies were offered 4 kg dry matter (DM) per day of either unmolassed sugar beet pulp (USBP), hay cubes (HC) or a 2:1 mix of oat hulls:naked oats (OHNO) plus minerals in 2 equal meals per day. After completion of S1 the same 3 ponies were used in study 2 (S2) where they were offered 4 kg DM/day of a 50:50 mix of USBP:HC (USHC) plus minerals fed as in S1 for a 21 day period.

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Information
Proceedings of the British Society of Animal Science , Volume 1999 , 1999 , pp. 139
Copyright
Copyright © The British Society of Animal Science 1999

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References

NRC. 1989. Nutrient requirements of Horses. 5th edition. National Academy Press, Washington, DC.Google Scholar