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    • Journal of Range Management, Volume 38 (1985)
    • Journal of Range Management, Volume 38, Number 5 (September 1985)
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    Particle Size Changes in Rumens of Cattle Grazing Kansas Flint Hills Range

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    Author
    Forwood, J. R.
    Owensby, C. E.
    Towne, G.
    Issue Date
    1985-03-01
    Keywords
    particle size
    forage crops
    Kansas
    rumen contents
    cattle
    nutritive value
    grazing
    
    Metadata
    Show full item record
    Citation
    Forwood, J. R., Owensby, C. E., & Towne, G. (1985). Particle Size Changes in Rumens of Cattle Grazing Kansas Flint Hills Range. Journal of Range Management, 38(2), 171-176.
    Publisher
    Society for Range Management
    Journal
    Journal of Range Management
    URI
    http://hdl.handle.net/10150/645530
    DOI
    10.2307/3899264
    Additional Links
    https://rangelands.org/
    Abstract
    A ruminally fistulated Hereford steer and heifer grazing Kansas Flint Hills range were used with the objective of determining forage particle breakdown and distribution in different rumen sites over several hours post feeding during seasons of differing forage quality. During the first year, samples were taken after an overnight fast from 3 rumen sites and from feces early on the sample morning (AM sample). The cattle were fed and sampled again 12 hours later (PM sample). During year two, the cattle were sampled immediately as they came from the native pasture (PRE sample) in addition to the 2 other sample times. Samples were wet-sieved through a series of 5 screens to separate particle sizes. Material from each screen was dried, weighed and expressed as a percentage of the total of all screens. In the rumen, relative amounts of coarse particles generally decreased while amounts of smaller particles generally increased with advancing season. Forage maturity had similar effects on fecal particle sizes. Particles in the feces were more uniform in size than particles in the rumen.
    Type
    text
    Article
    Language
    en
    ISSN
    0022-409X
    ae974a485f413a2113503eed53cd6c53
    10.2307/3899264
    Scopus Count
    Collections
    Journal of Range Management, Volume 38, Number 5 (September 1985)

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