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    • Rangeland Ecology & Management, Volume 59 (2006)
    • Rangeland Ecology & Management, Volume 59, Number 3 (May 2006)
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    Predicting Diet Quality of White-Tailed Deer via NIRS Fecal Profiling

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    Author
    Showers, Scott E.
    Tolleson, Douglas R.
    Stuth, Jerry W.
    Kroll, James C.
    Koerth, Ben H.
    Issue Date
    2006-05-01
    Keywords
    crude protein
    digestible organic matter
    feces
    near-infrared reflectance spectroscopy
    Odocoileus virginianus
    phosphorus
    
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    Citation
    Showers, S. E., Tolleson, D. R., Stuth, J. W., Kroll, J. C., & Koerth, B. H. (2006). Predicting diet quality of white-tailed deer via NIRS fecal profiling. Rangeland Ecology & Management, 59(3), 300-307.
    Publisher
    Society for Range Management
    Journal
    Rangeland Ecology & Management
    URI
    http://hdl.handle.net/10150/643074
    DOI
    10.2111/04-069.1
    Additional Links
    https://rangelands.org/
    Abstract
    Near infrared reflectance spectroscopy (NIRS) of feces for the prediction of diet quality in several species of livestock and wildlife has been reported. The technique has not been reported in deer. This study was conducted to determine the ability of fecal NIRS to determine dietary crude protein (CP), digestible organic matter (DOM), and phosphorus (P) in white-tailed deer (Odocoileus virginianus). Seventy-six diet reference chemistry:fecal spectrum (D:F) pairs were created ranging from 6.00 to 18.95% CP, 26.64 to 76.08% DOM, and 0.08 to 0.48% P. Calibration results (R2 and SE cross validation) were: 0.95 and 1.17, 0.88 and 3.62, 0.83 and 0.04 for CP, DOM, and P, respectively. These equations were used to predict a validation D:F set (n = 11). Results (R2 and SE prediction) were: 0.79 and 1.53, 0.49 and 5.46, 0.67 and 0.03 for CP, DOM, and P, respectively. These two D:F sets were combined and calibrations reformulated. Results (R2 and SE cross validation) were: 0.84 and 1.40, 0.89 and 3.55, 0.83 and 0.04 for CP, DOM, and P, respectively. These combined calibrations were used to predict diet quality characteristics using 11 fecal samples from wild deer. The diet quality characteristics were compared to NDVI greenness values for the study area in winter, spring and summer. High correlation (R2 > 0.7) between fecal NIRS predicted diet quality and NDVI greenness was observed with the exception of P in summer (R2 = 0.25). Fecal NIRS can be used to determine diet quality in white-tailed deer and thus become another tool to evaluate habitat suitability.  
    Type
    text
    Article
    Language
    en
    ISSN
    0022-409X
    ae974a485f413a2113503eed53cd6c53
    10.2111/04-069.1
    Scopus Count
    Collections
    Rangeland Ecology & Management, Volume 59, Number 3 (May 2006)

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