| Effect of diets with different contents of soybean alpha-galactosides and crude fibre on modification of duodenal microstructure and selected parameters of nutrient utilization in young turkeys. | |
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MedLine Citation:
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PMID: 20169918 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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The aim of the present study was to assess the physiological response of growing turkeys' duodenal surface to dietary replacement of a common dietary component--soybean meal (SBM) with a soy protein isolate (SPI), as this treatment was associated with almost complete removal of alpha-galactosides from the diet (from 2.44 to 0.15%). Additionally, the utilization of selected dietary ingredients upon dietary treatments was recorded. Effects of raffinose-family oligosaccharides were assessed as well in low- and high-fibre dietary environment (3.5 and 5.3% of crude fibre, respectively). This study revealed that the duodenal morphological parameters were differently affected by dietary treatments at different production stages, i.e. at 4 and 8 weeks of life. Although villus height/crypt depth ratio (VCR) was insignificantly decreased by high-alpha-galactoside treatment in younger 4-week birds, the presence of these oligosaccharides in the diet positively influenced the VCR index in 8-week turkeys. A similar tendency was observed when calcium retention was considered. Different contents of dietary crude fibre affected the physiological action of alpha-galactosides, including duodenal crypts depth and phosphorus retention in the 4-week birds, as well as duodenal goblet cells number and nitrogen utilization in the older turkeys. A high content of alpha-galactosides in the diet resulted in increased hydration of intestinal contents, but without a significant decline in the dry matter digestibility and utilization of nitrogen, calcium and phosphorus. Having in mind the development and physiology of the GIT, it may preliminary be concluded that in later production stages, total withdrawal of soybean alpha-galactosides from turkeys' diets does not seem to be nutritionally advisable. |
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Authors:
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J Ju?kiewicz; J Jankowski; Z Zdu?czyk; A Lecewicz; B Przybylska-Gornowicz; M Zieba |
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Publication Detail:
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Type: Controlled Clinical Trial; Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: Polish journal of veterinary sciences Volume: 12 ISSN: 1505-1773 ISO Abbreviation: Pol J Vet Sci Publication Date: 2009 |
Date Detail:
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Created Date: 2010-02-22 Completed Date: 2010-03-16 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101125473 Medline TA: Pol J Vet Sci Country: Poland |
Other Details:
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Languages: eng Pagination: 455-63 Citation Subset: IM |
Affiliation:
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Institute of Animal Reproduction and Food Research, Polish Academy of Sciences, Tuwima 10, 10-747 Olsztyn, Poland. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Animal Feed
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analysis* Animal Nutritional Physiological Phenomena Animals Diet / veterinary* Dietary Fiber / pharmacology* Digestion / drug effects Duodenum / drug effects Feces Galactosides / chemistry, pharmacology* Male Soybeans / chemistry* Turkeys / physiology* |
| Chemical | |
Reg. No./Substance:
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0/Galactosides |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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