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    • Journal of Range Management, Volume 35 (1982)
    • Journal of Range Management, Volume 35, Number 6 (November 1982)
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    Relationships between Performance, Intake, Diet Nutritive Quality and Fecal Nutritive Quality of Cattle on Mountain Range

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    Author
    Holechek, J. L.
    Vavra, M.
    Arthun, D.
    Issue Date
    1982-11-01
    Keywords
    Diet Nutritive Quality
    Fecal Nutritive Quality
    average daily gain
    Forage Organic Matter Intake
    Fistula Sample
    In Vitro Organic Matter Digestibility
    Le Grande
    Starkey Experimental Range
    forb
    performance
    mountain range
    browse
    forage intake
    intake
    cattle
    relationships
    nitrogen
    Oregon
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    Citation
    Holechek, J. L., Vavra, M., & Arthun, D. (1982). Relationships between performance, intake, diet nutritive quality and fecal nutritive quality of cattle on mountain range. Journal of Range Management, 35(6), 741-744.
    Publisher
    Society for Range Management
    Journal
    Journal of Range Management
    URI
    http://hdl.handle.net/10150/646078
    DOI
    10.2307/3898253
    Additional Links
    https://rangelands.org/
    Abstract
    Correlations were developed between average daily gain (ADG), forage organic matter intake (INT), fistula sample in vitro organic matter digestibility (DID), fistula sample nitrogen (DN), fecal sample in vitro digestibility (FID), and fecal sample nitrogen (FN) of cattle on forest and grassland range in northeastern Oregon. FN and FID were more closely associated with ADG and INT than DN or DID. Linear regression equations were developed between fistula and fecal samples for both N (r2=.83) and ID (r2=.71). The inclusion of FN as an independent variable with FID improved the equation for predicting fistula sample ID (R2=.83). Forage intake could not be well predicted from either FN or FID in either simple or multiple regression equations. The closer relationship between fecal sample nutritive quality and ADG compared to fistula sample nutritive quality and ADG is attributed to greater sampling precision for fecal nutritive quality. Fecal N and ID appear to be closely associate with DN and DID when grasses comprise most of the ruminant diet but this relationship may not hold when the diet is dominated by forbs and shrubs. Nutritive evaluation of feces shows potential for monitoring trends in ruminant diet quality and performance but much more research is needed before these procedures can be applied.
    Type
    text
    Article
    Language
    en
    ISSN
    0022-409X
    ae974a485f413a2113503eed53cd6c53
    10.2307/3898253
    Scopus Count
    Collections
    Journal of Range Management, Volume 35, Number 6 (November 1982)

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