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    • Journal of Range Management, Volume 30 (1977)
    • Journal of Range Management, Volume 30, Number 5 (September 1977)
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    Mineral Composition of Rumen Fistula Samples Compared to Diet

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    Author
    Mayland, H. F.
    Lesperance, A. L.
    Issue Date
    1977-09-01
    
    Metadata
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    Citation
    Mayland, H. F., & Lesperance, A. L. (1977). Mineral composition of rumen fistula samples compared to diet. Journal of Range Management, 30(5), 388-390.
    Publisher
    Society for Range Management
    Journal
    Journal of Range Management
    URI
    http://hdl.handle.net/10150/646684
    DOI
    10.2307/3897732
    Additional Links
    https://rangelands.org/
    Abstract
    Forage sampling using fistulated grazing animals is a generally accepted technique to measure dietary forage quality and botanical composition, but is it a satisfactory technique to evaluate dietary mineral intake? Using a variety of diets which were fed to rumen-fistulated steers, the fistula samples had relatively larger concentrations of ash, Si, Na, P, Zn, and Co (P<0.05) than did diet samples. Small decreases in the Mg and Ca concentrations of the fistula sample, as well as the small increases in N, K, Mn, Fe, and Mo values, were not generally different from diet concentrations. Regression equations predicting diet-mineral concentrations of all diets, given the concentration in the fistula sample, were accompanied by errors of 8 to 37% of the true value. Smaller errors can be expected when similar diets like alfalfa hay are used throughout a given study.
    Type
    text
    Article
    Language
    en
    ISSN
    0022-409X
    ae974a485f413a2113503eed53cd6c53
    10.2307/3897732
    Scopus Count
    Collections
    Journal of Range Management, Volume 30, Number 5 (September 1977)

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