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    • Journal of Range Management, Volume 39 (1986)
    • Journal of Range Management, Volume 39, Number 6 (November 1986)
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    Botanical Composition and Diet Quality of Cattle Under a Short Duration Grazing System

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    Author
    Kirby, D. R.
    Parman, M.
    Issue Date
    1986-11-01
    Keywords
    crude fiber
    Hesperostipa comata
    Agropyron
    nutrient requirements
    controlled grazing
    digestibility
    Pascopyrum smithii
    Bouteloua gracilis
    diets
    cattle
    botanical composition
    nutritive value
    feeding preferences
    North Dakota
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    Citation
    Kirby, D. R., & Parman, M. (1986). Botanical composition and diet quality of cattle under a short duration grazing system. Journal of Range Management, 39(6), 509-512.
    Publisher
    Society for Range Management
    Journal
    Journal of Range Management
    URI
    http://hdl.handle.net/10150/645281
    DOI
    10.2307/3898759
    Additional Links
    https://rangelands.org/
    Abstract
    A study was conducted in 1981 and 1982 at the Dickinson Experiment Station Ranch Headquarters in the mixed grass prairie of western North Dakota to determine seasonal and daily cattle diets under a short duration grazing system. Significant seasonal decreases in crude protein (CP) and in vitro digestible organic matter (IVDOM) were determined both years of the study. Dietary CP did not meet lactating and/or dry, pregnant cow requirements throughout the grazing season either year. In 1981, no seasonal difference in dietary CP and IVDOM was determined between the initiation and termination of grazing on individual paddocks. Only one significant difference occurred in 1982 when dietary CP decreased significantly between the first and last day of grazing individual paddocks in fall. Grass dominated cattle diets both years of the study. The major grasses selected were western wheatgrass (Agropyron smithii), needle-and-thread (Stipa comata), and blue grama (Bouteloua gracilis). Cattle showed no consistent seasonal trend in grass or browse selection, while forbs decreased in diets as the grazing season advanced. Selection of forage species and plant classes by cattle while they occupied a paddock varied little during seasonal collection periods throughout the study.
    Type
    text
    Article
    Language
    en
    ISSN
    0022-409X
    ae974a485f413a2113503eed53cd6c53
    10.2307/3898759
    Scopus Count
    Collections
    Journal of Range Management, Volume 39, Number 6 (November 1986)

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