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    • Journal of Range Management, Volume 42 (1989)
    • Journal of Range Management, Volume 42, Number 5 (September 1989)
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    Cues cattle use to avoid stepping on crested wheatgrass tussocks

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    Author
    Balph, D. F.
    Balph, M. H.
    Malechek, J. C.
    Issue Date
    1989-09-01
    Keywords
    Agropyron cristatum
    cattle
    
    Metadata
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    Citation
    Balph, D. F., Balph, M. H., & Malechek, J. C. (1989). Cues cattle use to avoid stepping on crested wheatgrass tussocks. Journal of Range Management, 42(5), 376-377.
    Publisher
    Society for Range Management
    Journal
    Journal of Range Management
    URI
    http://hdl.handle.net/10150/644995
    DOI
    10.2307/3899542
    Additional Links
    https://rangelands.org/
    Abstract
    This paper tests 2 hypotheses regarding the cues cattle use to avoid stepping on crested wheatgrass (Agropyron cristatum (L.) Gaertner) tussocks. The first hypothesis is that cattle are attentive to shade and avoid tussocks by stepping on light areas (soil interstices) and avoiding dark areas (tussocks). In an experiment with 90 Angus heifers placed in a short-duration grazing paddock of 8.5 ha, the animals stepped with equal relative frequency on 28 patches of bare ground, 37 disks painted the shade and color of bare ground, and 37 disks painted to match vegetation over a 24-h period. We therefore reject the shade-cue hypothesis. The second hypothesis is that cattle are attentive to the vegetation itself in their avoidance behavior, and that as they crop the vegetation the frequency of trampling increases. In experiments similar to the first, cattle stepped on 85 intact tussocks 9 times, on 85 clipped (3 to 4 cm above litter) tussocks 28 times, on 85 vegetation-free tussock mounds 107 times and on 35 patches of bare ground 130 times. These differences are statistically significant. The data are consistent with the vegetation-cue hypothesis, except that the cattle also were attentive to the elevated substrate upon which the tussock grew. We conclude that, under the test conditions, hoof action does not have an important impact on crested wheatgrass pastures used for short-duration grazing. The impact could approach importance, however, if the pasture was grazed more heavily and if the vegetation was dry and dusty.
    Type
    text
    Article
    Language
    en
    ISSN
    0022-409X
    ae974a485f413a2113503eed53cd6c53
    10.2307/3899542
    Scopus Count
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    Journal of Range Management, Volume 42, Number 5 (September 1989)

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