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    • Rangelands, Volume 38, Number 3 (2016)
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    Estimating Overnight Weight Loss of Corralled Yearling Steers in Semiarid Rangeland

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    Author
    Derner, Justin D.
    Reeves, Justin L.
    Mortenson, Matthew C.
    West, Mark
    Irisarri, J. Gonzalo
    Durante, Martin
    Issue Date
    2016-12-01
    Keywords
    air temperature
    overnight shrink
    relative humidity
    remote sensing
    shortgrass steppe
    
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    Citation
    Derner, J. D., Reeves, J. L., Mortenson, M. C., West, M., Irisarri, J. G., & Durante, M. (2016). Estimating Overnight Weight Loss of Corralled Yearling Steers in Semiarid Rangeland. Rangelands, 38(3), 101-104.
    Publisher
    Society for Range Management
    Journal
    Rangelands
    URI
    http://hdl.handle.net/10150/640146
    DOI
    10.1016/j.rala.2016.02.004
    Additional Links
    https://rangelands.org
    Abstract
    On the Ground • A common practice for assessing livestock weight gains from grazing animals on rangelands is to confine animals overnight without feed or water to reduce variation in weight loss and percent shrink. • Advances in remote sensing of vegetation, such as the Normalized Difference Vegetation Index (NDVI) provide opportunities to estimate greenness (an indicator of both the quality and quantity of the plant community) that could be used with air temperature and relative humidity as predictors of percent shrink in grazing animals. • We determined percent shrink losses from crossbred yearling steers at each of four weigh dates for four consecutive years. • Percent overnight shrink by yearling steers grazing semiarid rangeland was influenced positively by air temperature and NDVI values, but not relative humidity. • The prediction equation we developed can provide temporal weight gain data within a grazing season without the logistical difficulties in gathering and holding animals, as well as eliminate associated animal stress from shrinking and regaining gut fill multiple times.
    Type
    text
    Article
    Language
    en
    ISSN
    0190-0528
    ae974a485f413a2113503eed53cd6c53
    10.1016/j.rala.2016.02.004
    Scopus Count
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    Rangelands, Volume 38, Number 3 (2016)

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