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    • Journal of Range Management, Volume 44 (1991)
    • Journal of Range Management, Volume 44, Number 6 (November 1991)
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    Instantaneous intake rates of 9 browse species by white-tailed deer

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    Author
    Koerth, B. H.
    Stuth, J. W.
    Issue Date
    1991-11-01
    Keywords
    browse plants
    Odocoileus virginianus
    Texas
    botanical composition
    browsing
    
    Metadata
    Show full item record
    Citation
    Koerth, B. H., & Stuth, J. W. (1991). Instantaneous intake rates of 9 browse species by white-tailed deer. Journal of Range Management, 44(6), 614-618.
    Publisher
    Society for Range Management
    Journal
    Journal of Range Management
    URI
    http://hdl.handle.net/10150/644732
    DOI
    10.2307/4003047
    Additional Links
    https://rangelands.org/
    Abstract
    Instantaneous intake rate (IIR) and instantaneous nutrient intake rate (INIR) by tame white-tailed deer (Odocoileus virginianus) of 9 common browse species in south Texas were studied to determine if morphological properties of the plants were associated with intake rate, and if IIR and INIR correlated to preference ratings derived from percent time spent foraging a particular species and with total foliage consumed. Mean leaf mass showed a significant (P < 0.05) positive correlation to IIR (r = 0.75), INIR of neutral detergent fiber (r = 0.73), acid detergent fiber (r = 0.73), and acid detergent fiber nitrogen (r = 0.68). Mean leaf length showed a significant (P < 0.05) positive correlation to INIR of crude protein (r = 0.67). Thorn density showed no significant (P > 0.05) correlations to IIR or INIR. Leaf weight/stem weight ratio showed a significant (P < 0.05) positive-correlation to IIR (r = 0.65) and INIR of acid detergent fiber nitrogen (r = 0.81). Rankings of IIR and INIR did not agree with preference indices based on weight of forage removed or amount of time spent browsing. Significant (P < 0.05) positive correlations for all trials between preference indices based on weight removal and time spent browsing (r = 0.73 for new leaf development, r = 0.87 for stem elongation, and r = 0.70 for full leaf development) indicated these 2 techniques closely agreed on species rank.
    Type
    text
    Article
    Language
    en
    ISSN
    0022-409X
    ae974a485f413a2113503eed53cd6c53
    10.2307/4003047
    Scopus Count
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    Journal of Range Management, Volume 44, Number 6 (November 1991)

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