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Influence on the ileal and fecal digestibility of forages inclusion in the diet

Jørgensen, Henry; Carlson, D. and Lærke, H.N. (2012) Influence on the ileal and fecal digestibility of forages inclusion in the diet. Journal of Animal Science, 90, pp. 176-178.

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Document available online at: https://academic.oup.com/jas/article-abstract/90/suppl_4/176/4704099?redirectedFrom=fulltext


The present investigation aimed to study the ileal and fecal digestibility of three forages (Clover grass, Clover grass silage and Pea-Barley silage) supplemented to a basal diet. A total of 24 pigs, adapted to eating forages by supplementing a basal feed with clover grass silage from weaning, were fitted with a T-cannula at the terminal ileum at approximate 30 kg LW. For each of the three types of forage, two balance trials with 4 weeks interval were carried out. Two pigs in each test were fed the basal diet while 6 others were fed the basal diet plus forage throughout the whole experiment. The intake of forages was relative low and quite variable and accounted on average for only 10-12 % of the daily dry matter intake. Ileal digestibility estimated by collection from the T-cannula was higher than the digestibility estimated by the slaughter technique indicating some separation of the digesta collected from the T-cannula. The forages had, as expected, a lower fecal DM and energy digestibility than the basal diet (P<0.05). The fresh clover grass had a higher energy digestibility than the two silages (60 vs 48 %, P<0.05). Inclusion of 10 % of gross energy in the diet from clover grass reduced the rations energy digestibility relatively by 2.2 %, while clover grass silage and the pea-barley silage to reductions of 3.4 and 5.0 % (P<0.05), respectively.

EPrint Type:Journal paper
Subjects: Animal husbandry
Research affiliation: Denmark > AU - Aarhus University
Denmark > DARCOF I (1996-2001) > I.6 High fibre feeds for pigs
Deposited By: Lærke, Dr Helle Nygaard
ID Code:20930
Deposited On:13 Jun 2012 10:47
Last Modified:25 Feb 2022 11:55
Document Language:English
Refereed:Peer-reviewed and accepted

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