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    • Journal of Range Management, Volume 24 (1971)
    • Journal of Range Management, Volume 24, Number 3 (May 1971)
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    Shade for Improving Cattle Grains and Rangeland Use

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    Author
    McIlvain, E. H.
    Shoop, M. C.
    Issue Date
    1971-05-01
    
    Metadata
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    Citation
    McIlvain, E. H., & Shoop, M. C. (1971). Shade for improving cattle gains and rangeland use. Journal of Range Management, 24(3), 181-184.
    Publisher
    Society for Range Management
    Journal
    Journal of Range Management
    URI
    http://hdl.handle.net/10150/650030
    DOI
    10.2307/3896768
    Additional Links
    https://rangelands.org/
    Abstract
    Shade increased summerlong gain of yearling Hereford steers on rangeland by a profitable 19 lb./head in a 4-year study. High summer humidity depressed steer gains much more than did high summer temperature. The combined effects of humidity above 45% and temperature above 85 F were especially harmful. Each "hot muggy day" reduced summerlong steer gains by 1 lb. Cattle eagerly sought shade during hot summer days. By manipulating shade, cattle were drawn to under-utilized areas of a pasture to reduce damaging spot grazing. Shade was nearly as effective as water location and supplemental feeding as a tool to promote uniform grazing within a pasture. South-facing, open sheds used as winter shelters did not increase steer gains, nor would the steers use them even during storms./El presente estudio se llevó a cabo en la estación experimental de Planicios del Sur cerca de Woodward, Oklahoma, E.U.A., durante los años de 1959-1962 comprendiendo un período de cuatro años. Este estudio incluyó sombreadores hechos a mano y novillas de la raza Hereford de un año de edad. Se encontró que los sombreadores no influyeron en la producción durante el invierno pero las ganancias en peso aumentaron en 8.6 Kgs. durante el verano. Dicho aumento amortizó en dos años el costo de los sombreadores a $9.00 (Dlls.) por novillo. Se registró mas efecto adverso en humedades altas que en las temperaturas altas. Los aumentos en peso fueron menores con mas de 45% de humedad relativa y 30°C de temperatura. Los animales buscaron sombra durante el verano y por eso fué preciso poner en buena localización los sombreadores para tener uniformidad de pastorero del pastizal.
    Type
    Article
    text
    Language
    en
    ISSN
    0022-409X
    ae974a485f413a2113503eed53cd6c53
    10.2307/3896768
    Scopus Count
    Collections
    Journal of Range Management, Volume 24, Number 3 (May 1971)

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