颁布单位：[University of the Free State] |  颁布时间：2010 |  实施时间：2010 |  学科分类：[["Beef, cattle, --, Feeding, and, feeds","Proteins, in, animal, nutrition","Urea, as, feed","Fiber, in, animal, nutrition","Ingestion","Rumen, degradable, protein","Roughage","Intake","Digestibility","Dissertation, (M.Sc.Agric., (Animal,, Wildlife, and, Grassland, Sciences))--University, of, the, Free, State,, 2010"]]

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