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    • Journal of Range Management, Volume 48 (1995)
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    Technical Note: Effect of substrate drying method on in vitro dry matter disappearance in moose

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    Author
    Faber, W. E.
    Pehrson, Å.
    Jordan, P. A.
    Issue Date
    1995-11-01
    Keywords
    freeze drying
    Alces alces
    laboratory techniques
    drying
    browse plants
    fiber content
    in vitro digestibility
    
    Metadata
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    Citation
    Faber, W. E., Pehrson, Å., & Jordan, P. A. (1995). Technical note: Effect of substrate drying method on in vitro dry matter disappearance in moose. Journal of Range Management, 48(6), 557-559.
    Publisher
    Society for Range Management
    Journal
    Journal of Range Management
    URI
    http://hdl.handle.net/10150/644337
    DOI
    10.2307/4003070
    Additional Links
    https://rangelands.org/
    Abstract
    One identified potential source of error in nutritional evaluations using the in vitro technique is the drying method used on test substrates. This study was conducted to determine what effect, if any, different drying methods have on the dry matter disappearance of 4 browse species in moose (Alces alces L.) inoculum. Browse species were Scots pine (Pinus sylvestris L.), birch (Betula pendula Roth, Betula pubescens Ehrh.), willow (Salix spp.), and sweetgale (Myrica gale L.). In addition, we determined the effects of drying method on neutral detergent fiber (NDF), acid detergent fiber (ADF), and acid detergent lignin (ADL) concentration of the browse species. Each species was either freeze-dried (-40 degrees C) or oven-dried at 35 degrees, 60 degrees and 105 degrees C, respectively. High drying temperatures significantly depressed (P<0.0001) in vitro dry matter disappearance (WDMD) in all browse species tested except of Scats pine. High temperatures also reduced NDF (P<0.05) in all the species, while ADF and ADL were elevated (P<0.05) in all specks except Scats pine. We conclude that freeze-drying is the most preferable method to be used on forage and browse samples being evaluated for nutritional quality.
    Type
    text
    Article
    Language
    en
    ISSN
    0022-409X
    ae974a485f413a2113503eed53cd6c53
    10.2307/4003070
    Scopus Count
    Collections
    Journal of Range Management, Volume 48, Number 6 (November 1995)

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