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    • Journal of Range Management, Volume 54 (2001)
    • Journal of Range Management, Volume 54, Number 4 (July 2001)
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    Structural anti-quality characteristics of range and pasture plants

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    Author
    Laca, E. A.
    Shipley, L. A.
    Reid, E. D.
    Issue Date
    2001-07-01
    Keywords
    shear strength
    animal injuries
    wool
    performance
    tensile strength
    foraging
    habitats
    plant morphology
    duration
    plant anatomy
    pastures
    digestibility
    sustainability
    botanical composition
    quality
    pasture plants
    literature reviews
    grazing
    feed intake
    bite size
    chewing
    canopy structure
    intake rate
    physical plant defenses
    spines
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    Citation
    Laca, E. A., Shipley, L. A., & Reid, E. D. (2001). Structural anti-quality characteristics of range and pasture plants. Journal of Range Management, 54(4), 413-419.
    Publisher
    Society for Range Management
    Journal
    Journal of Range Management
    URI
    http://hdl.handle.net/10150/643889
    DOI
    10.2307/4003112
    10.2458/azu_jrm_v54i4_laca
    Additional Links
    https://rangelands.org/
    Abstract
    Structural anti-quality characteristics are physical plant traits that reduce the performance and productivity of herbivores and quality of their agricultural products. Most structural anti-quality characteristics of plants affect the rate at which herbivores gather and ingest forages, reducing the total amount of food obtained or increasing the time necessary to obtain food. Structural anti-quality can substantially influence searching time (e.g., plant crypticity, distribution), cropping time (e.g., plant fibrousness, tensile and shear strength), and bite size (e.g., plant canopy structure, spinescence). Plant structural characteristics can also reduce digestion (e.g., silica), cause injury (e.g., spines, awns, burrs, calluses), or reduce the quality of animal products, such as wool (e.g., propagules). The effects of structural antiquality characteristics depend on the morphology of the herbivore, especially its size, the morphology of the focal plant, and their context within the habitat. Integrated grazing management plans should consider options to reduce the negative effects of structural anti-quality. Carefully selecting appropriate livestock species with previous experience, and the appropriate season of grazing can minimize anti-quality on rangelands. Because structural anti-quality may actually promote sustainability of grazing systems by preventing severe defoliation, or by providing refuges for highly desirable forages, it may not be desirable to completely counteract their effects.
    Type
    text
    Article
    Language
    en
    ISSN
    0022-409X
    ae974a485f413a2113503eed53cd6c53
    10.2307/4003112
    Scopus Count
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    Journal of Range Management, Volume 54, Number 4 (July 2001)

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