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University of Nebraska - Lincoln
Department of Animal Science: Dissertations, Theses, and Student Research
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Use Of Byproducts In Forage-Based, Post-Weaning Beef Systems And Effects Of Serial Slaughter On Performance And Profitability, Robert G. Bondurant Jr.
Use Of Byproducts In Forage-Based, Post-Weaning Beef Systems And Effects Of Serial Slaughter On Performance And Profitability, Robert G. Bondurant Jr.
Department of Animal Science: Dissertations, Theses, and Student Research
Crude glycerin was included in high-forage beef growing diets at 0, 4, 8, and 12% diet DM to determine the effect on fiber digestion by evaluating changes in microbial species abundance, NDF digestibility, and VFA concentrations. Total tract NDF digestibility decreased with increasing inclusion of GLY in high-forage diets. However, there was no decrease in in situ NDF digestibility and Fibrobacter succinogenes microbial populations were unaffected, indicating that fiber digestion was not directly affected by inclusion of GLY. Acetate decreased while propionate and butyrate VFA proportions increased as GLY increased.
Spayed heifers were utilized in a 2-yr study to evaluate …