Effects of dietary mannanoligosaccharide on growth performance, nutrient digestibility and gut development of broilers given different cereal-based diets

Title
Effects of dietary mannanoligosaccharide on growth performance, nutrient digestibility and gut development of broilers given different cereal-based diets
Publication Date
2008
Author(s)
Yang, Ying
Iji, Paul
Kocher, Andreas
Mikkelsen, Lene
Choct, Mingan
( author )
OrcID: https://orcid.org/0000-0002-2242-8222
Email: mchoct@une.edu.au
UNE Id une-id:mchoct
Type of document
Journal Article
Language
en
Entity Type
Publication
Publisher
Wiley-Blackwell Verlag GmbH
Place of publication
Germany
DOI
10.1111/j.1439-0396.2007.00761.x
UNE publication id
une:3519
Abstract
A feeding trial was conducted to evaluate the effects of mannanoligosaccharide (MOS) on the growth performance, nutrient digestibility and gut development of broilers given a corn or a wheat-based diet over a 21-day experimental period. Dietary MOS improved the growth performance of birds given the wheat-based diet compared to that of birds given the corn-based diet during 7–21 days of age. In line with this, the ileal digestibility of starch was increased by MOS at 21 days of age. The addition of MOS modulated the development of gut microflora. From day 7 to day 21, the numbers of mucosa-associated coliforms along the small intestine were decreased; whereas the numbers of mucosa-associated lactobacilli were increased by MOS, regardless of the cereal type in the diets. Dietary MOS also reduced the counts of coliforms and 'Clostridium perfringens' in the caeca of birds by 21 days of age. Villus height at the jejunum was not affected by MOS but the crypt depth and the muscularis thickness were reduced. The specific activities of maltase and alkaline phosphatase were increased in birds given the MOS-supplemented diet; whereas the development of leucine aminopeptidase was delayed by MOS. All these changes in the mucosal morphology and function were dependent on the type of cereal and/or the age of the birds.
Link
Citation
Journal of Animal Physiology and Animal Nutrition, v.92, p. 650-659
ISSN
1439-0396
0931-2439
Start page
650
End page
659

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