Article (Scientific journals)
Effect Of Barley Fibres And Barley Intake On The Ileal Endogenous Nitrogen Losses In Piglets
Leterme, Pascal; Souffrant, Wb.; Thewis, André
2000In Journal of Cereal Science, 31 (3), p. 229-239
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Keywords :
Barley; Pig; Fibre; Endogenous N; Orge; Porc; Azote endogène
Abstract :
[en] Ileal endogenous N losses (ENL) were measured, using the 15N isotope dilution technique, in piglets (17 kg) fed different barley genotypes (naked, spring, winter with low/high beta-glucan content) or diets containing 330, 530, 730 or 930 g of a blend of barleys/kg diet. The apparent protein and amino acid digestibilities of the naked variety and the winter variety with a high beta-glucan content were, on average, significantly higher than those for the other two varieties. The ENL were inversely correlated (p<0·01) with the apparent digestibilities but the difference between each of them was not significant (p>0·05). The ENL increased linearly with the inclusion level of barley in a N-free basal diet (2 mg endogenous N/g barley). Isolated hulls added to a N-free diet at the rate of 100 or 200 g/ kg diet exerted no significant effect on the ENL (1·80 g endogenous N/kg diet in both cases vs. 1·76 g for the basal level). On the contrary, the effect of isolated bran, measured under similar conditions, was significantly higher and dependent on fibre intake (2·59 and 3·31 g N/kg diet, respectively). It is concluded that the ENL are affected by the insoluble bran fibre but not by the hulls, nor by the level of beta-glucan.
Disciplines :
Animal production & animal husbandry
Anatomy (cytology, histology, embryology...) & physiology
Author, co-author :
Leterme, Pascal;  Faculté Universitaire des Sciences Agronomiques de Gembloux - FUSAGx > Unité de Zootechnie
Souffrant, Wb.;  Research Institute for the Biology of Farm Animals - FBN, Germany > Department of Nutritional Physiology "Oskar Kellner"
Thewis, André ;  Université de Liège - ULiège > Gembloux Agro-Bio Tech
Language :
English
Title :
Effect Of Barley Fibres And Barley Intake On The Ileal Endogenous Nitrogen Losses In Piglets
Publication date :
2000
Journal title :
Journal of Cereal Science
ISSN :
0733-5210
eISSN :
1095-9963
Publisher :
Academic Press, London, United Kingdom
Volume :
31
Issue :
3
Pages :
229-239
229-239
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
Ministère Belge de l'Agriculture - Département Recherches et Développement
FNB, Germany
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since 07 January 2010

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