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    • 2007 MU theses - Access restricted to UM
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    Prediction of optimal rumen degradable protein levels in no-roughage, corn-based feedlot diets

    Pugh, Jamie A.
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    [PDF] short.pdf (50.99Kb)
    [PDF] research.pdf (267.1Kb)
    Date
    2007
    Format
    Thesis
    Metadata
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    Abstract
    [ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT AUTHOR'S REQUEST.] The need to balance no-roughage, corn-based feedlot diets for rumen degradable protein inclusion is essential in the feedlot setting. Five crossbred steers were fitted with ruminal and duodenal cannulas and used in a 5x5 Latin square design experiment. Dietary treatments were: CON (98% corn; 4.4% RDP), LOW RDP (90.1% corn, 7.9% SBM; 6.6% RDP), MID RDP (82% corn, 16% SBM; 8.8% RDP), HIGH RDP (73.9% corn, 24.1% SBM; 11% RDP), and NPN (96.3% corn, 1.7% biuret; 8.8% RDP). The CON and NPN diets were designed to limit MOEFF. Additionally, 100 crossbred steers were blocked by weight and divided into twenty pens. Dietary treatments were fed for 105 days and were CON (95.55% corn, 4.7% RDP), LOW (93.15% corn, 1.7% SBM, 1.15% urea, 5.2%RDP), MID (90.8% corn, 4.5% SBM, 0.7% urea, 5.9% RDP), HIGH (88.0% corn, 7.8% SBM, 0.2% urea, 6.7% RDP), NPN (94.6% corn, 1.4% urea, 4.7% RDP). The added RDP diets were designed to test that MOEFF, once optimized by RDP level, would not be enhanced by further increasing RDP. The NPN diet was used to compare non-protein to true protein nitrogen. We concluded from these results that RDP-peptide requirement was predictable and that diets can be formulated to meet this requirement.
    URI
    https://hdl.handle.net/10355/6277
    https://doi.org/10.32469/10355/6277
    Degree
    M.S.
    Thesis Department
    Animal sciences (MU)
    Rights
    Access is limited to the campuses of the University of Missouri.
    Collections
    • 2007 MU theses - Access restricted to UM
    • Animal Sciences electronic theses and dissertations (MU)

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