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  • In vivo digestibility and in situ degradability of a by-product derived from the distillation of sorghum for ethanol production.

    Foreign Title : Digeribilità in vivo e degradabilità in situ di distillers di sorgo concentrati.

    Author(s) : Cavani, C.Bianconi, L.Maiani, A.Manfredini, M.Stefanon, B.

    Author Affiliation : Istituto di Alimentazione Animale, Via S. Giacomo, 11. 40126 Bologna, Italy.

    Journal article : Zootecnica e Nutrizione Animale 1990 Vol.16 No.6 pp.393-404 ref.46

    Abstract : Wet sorghumsorghumSubject Category: Organism Names
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    distillers' grainsdistillers' grainsSubject Category: Commodities and ProductsproductsSubject Category: Commodities and Products
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    (WSDG) contained in DM: 34.9% crude protein, 51.4% neutral detergent fibre, 46.6% acid detergent fibre, 27.0% acid detergent lignin, 30.8% of total nitrogen as acid detergent insoluble nitrogen (ADIN) and 2.03% tannins. In 3 digestibilitydigestibilitySubject Category: Properties
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    trials, Suffolk wethers average weight 59.7 kg were given diets containing mixed hay, WSDG and maize meal at 0.6:1.5:0 or 0.6:3.0:0 or 0.6:3.0:0.3 kg/head (diets 1, 2 and 3) at maintenance for diet 1 and freely for diets 2 and 3, respectively. Diet 3 had the highest digestibility of DM and organic matter. Organic matter digestibility coefficients of WSDG were 47.1, 42.2 and 43.3% for diets 1, 2 and 3, respectively. Feed units for milk and meat production of WSDG per kg DM were 0.63 and 0.56, 0.59 and 0.50 and 0.42 and 0.45 for diets 1, 2 and 3, respectively. The in situ degradability trials supported the findings of the digestibility trials. WSDG, compared to sorghum varieties with low (WSDG-Tamaran) and high levels of tannins (WSDG-NK 180), obtained by a laboratory distillation simulating the industrial process, had a degradability of nitrogen similar to WSDG-NK 180. The effective degradabilities of WSDG and WSDG-NK 180 were lower than those in WSDG-Tamaran (P<0.05). Effective degradability of DM and of non protein DM was lower (P<0.01) than those found in the distiller's grains obtained in the laboratory. The WSDG had values of PDIA, PDIE and PDIN, corrected for the ADIN content, of 61, 105 and 155 g/kg, respectively. The high ADIN level, index of heat damage, and tannins content are the most probable causes of the low nutritional value of WSDG.

    ISSN : 0390-0487

    Record Number : 19911431847

    Language of text : Italian

    Language of summary : English

    Indexing terms for this abstract:

    Organism descriptor(s) : sheepsheepSubject Category: Organism Names
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    , SorghumsorghumSubject Category: Organism Names
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    Descriptor(s) : digestibilitydigestibilitySubject Category: Properties
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    , distillers' grainsdistillers' grainsSubject Category: Commodities and Products
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    , nutritive valuenutritive valueSubject Category: Properties
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    , productsproductsSubject Category: Commodities and Products
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    Identifier(s) : nutritional value, quality for nutrition

    Broader term(s) : OvisovisSubject Category: Organism Names
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    , BovidaebovidaeSubject Category: Organism Names
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    , ruminantsruminantsSubject Category: Organism Names
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    , ArtiodactylaartiodactylaSubject Category: Organism Names
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    , mammalsmammalsSubject Category: Organism Names
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    , vertebratesvertebratesSubject Category: Organism Names
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    , ChordatachordataSubject Category: Organism Names
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    , animalsanimalsSubject Category: Organism Names
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    , eukaryoteseukaryotesSubject Category: Organism Names
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    , PoaceaepoaceaeSubject Category: Organism Names
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    , PoalespoalesSubject Category: Organism Names
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    , commelinidscommelinidsSubject Category: Organism Names
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    , monocotyledonsmonocotyledonsSubject Category: Organism Names
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    , angiospermsangiospermsSubject Category: Organism Names
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    , SpermatophytaspermatophytaSubject Category: Organism Names
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    , plantsplantsSubject Category: Organism Names
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