The nutritive value of sugar beet pulp-substituted lucerne for equids

Murray, J.M.D. , Longland, A.C., Hastie, P.M. , Moore-Colyer, M. and Dunnet, C. (2008) The nutritive value of sugar beet pulp-substituted lucerne for equids. Animal Feed Science and Technology, 140(1-2), pp. 110-124. (doi: 10.1016/j.anifeedsci.2007.02.013)

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Abstract

Two experiments were conducted to evaluate the nutritive value of sugar-beet-substituted lucerne for equids. In both experiments four mature Welsh-cross pony geldings were used in a 4 × 4 Latin-square design to assess the effect of sugar beet pulp (SB) on the nutritive value of either high-temperature dried (HT) lucerne (Experiment 1) or ensiled lucerne (Experiment 2) for equids. Both experiments consisted of four levels of SB substitution: 0 [DC], 100 [SB10], 200 [SB20] and 300 [SB30] g/kg DM for Experiment 1, and 0 [WS], 100 [SB1], 200 [SB2] and 300 [SB3] g/kg DM for Experiment 2. Each diet was fed to give a total DM intake of 17.5 g/kg of liveweight per day, offered in two equal meals at 12-h intervals. Digestibility was determined by total faecal collection. SB substitution of HT and ensiled lucerne increased (P<0.01) total diet total non-starch polysaccharide (TNSP) digestibility compared to the control: 0.63, 0.65, 0.71 and 0.58 for SB10, SB20, SB30 and DC, respectively; and 0.62, 0.62, 0.69 and 0.55 for SB1, SB2, SB3 and WS, respectively. Furthermore, TNSP digestibility values for SB as a sole feed (calculated ‘by difference’ and predicted by regression) were greater than unity, indicating an increase in the digestibility of the cell wall fraction of the lucerne.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Hastie, Professor Peter and Murray, Professor Jo-Anne
Authors: Murray, J.M.D., Longland, A.C., Hastie, P.M., Moore-Colyer, M., and Dunnet, C.
College/School:College of Medical Veterinary and Life Sciences > School of Veterinary Medicine
Journal Name:Animal Feed Science and Technology
ISSN:0377-8401
Published Online:19 March 2007

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