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Article (Scientific journals)
The High Water-Holding Capacity Of Pea Inner Fibers Affects The Ileal Flow Of Endogenous Amino Acids In Pigs
Leterme, Pascal; Froidmont, Eric; Rossi, Florence et al.
1998In Journal of Agricultural and Food Chemistry, 46 (5), p. 1927-1934
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Keywords :
Water holding capacity; Endogenous Nitrogen; Pig; Ileum; Dietary fiber; Pea; Amino acids; Capacité rétention d'eau; Azote endogène; Porc; Iléon; Fibre alimentaire; Pois; Acides aminés
Abstract :
[en] Pigs were fed protein-free diets containing different pea inner fiber (PIF) isolates (from wrinkled or smooth peas, unprocessed or micronized) or different PIF levels (from 50 to 200 g/kg diet), and the flows of endogenous N and amino acids were measured at the ileum level. The flows were better correlated to the water-holding capacity (WHC) of the diet than to fiber intake (R2 = 0.996 vs 0.76, respectively). The relationship with WHC was of the exponential type, with a high increase when the WHC exceeded 3 g of water/g diet. A similar pattern and correlation (R2 = 0.98) was obtained for the ileal flow of nucleobases (markers of epithelial cells and bacteria), whereas the relationships with crude mucus (R2 = 0.96) and diaminopimelic acid (marker of bacteria, R2 = 0.55) were linear. N retention by pigs fed with 0, 30, 60, or 90 g/kg of dry matter (DM) of the same protein isolates did not differ significantly in pigs receiving a 40 or 160 g of PIF/kg diet, despite significant differences in ileal N and amino acid flows between the two fiber levels (2.0 and 3.1 g of N/kg of DM intake, on average). These results and those of the flow of endogenous N compounds suggest an effect of the swollen fibers on the intestinal wall rather than a disturbance of the digestive processes.
Disciplines :
Anatomy (cytology, histology, embryology...) & physiology
Animal production & animal husbandry
Author, co-author :
Leterme, Pascal;  Faculté Universitaire des Sciences Agronomiques de Gembloux - FUSAGx > Unité de Zootechnie
Froidmont, Eric;  Centre de Recherches Agronomiques - CRA W, Gembloux > Département de Productions et Nutrition Animales
Rossi, Florence;  Faculté Universitaire des Sciences Agronomiques de Gembloux - FUSAGx > Unité de Zootechnie
Thewis, André ;  Université de Liège - ULiège > Gembloux Agro-Bio Tech
Language :
English
Title :
The High Water-Holding Capacity Of Pea Inner Fibers Affects The Ileal Flow Of Endogenous Amino Acids In Pigs
Publication date :
1998
Journal title :
Journal of Agricultural and Food Chemistry
ISSN :
0021-8561
eISSN :
1520-5118
Publisher :
American chemical society, washington, United States - District of Columbia
Volume :
46
Issue :
5
Pages :
1927-1934
1927-1934
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 10 September 2009

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