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    Influence of treating corn stover and sorghum forage with different nitrogen sources on nutritive value for ruminants

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    LD5655.V856_1991.A45.pdf (4.838Mb)
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    Date
    1991-05-06
    Author
    Ali, Iftikhar
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    Abstract
    Experiments were conducted to determine: 1) the fermentation characteristics and in vitro dry matter digestibility (IVDMD) of corn (Zea mays) stover treated with different sources of N; 2) digestibility, N utilization and palatabi1ity in sheep fed corn stover treated with different N sources; and 3) fermentation characteristics and nutrient utilization by sheep of sorghum (Sorghum bicolor L., Moench) forage treated with urea an poultry litter. In a small silo study, corn stover was ensiled untreated or after treatment with 3% aqueous NH₃, 50% and 75% poultry litter, 5.8% urea alone or with 10% cattle waste, 1.5% urease powder or 5% soybeans (Glycine max), DM basis. All treatments resulted in substantial increases (P < .01) in CP of corn stover. Lactic acid was detected in substantial levels only in the stover which was untreated and treated with 50% poultry litter. Ammonia and urea treatments decreased NDF content of stover by 4 to 7 percentage units. Increases (P < .01) of IVDMD of 9 to 14 percentage units resulted from treatment with NH₃ or urea. Use of urease sources di d not enhance IVDMD.
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    http://hdl.handle.net/10919/39982
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    • Doctoral Dissertations [14204]

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