Feedlot Cattle Response to Rumen Undegradable Protein and Diet Fiber Level of High Concentrate Diets

.............................................................................23 Introduction.........................................................................24 Materials and Methods............................................................26 Statistical Analysis........................................................28 Results and Discussion............................................................28 Conclusion.........................................................................30 III. DIGESTIBILITY OF FIBER SOURCES IN HIGH CONCENTRATE DIETS IN VITRO...........................................................................39 Abstract.............................................................................39 Introduction........................................................................40 Materials and Methods............................................................41 Continuous culture system...............................................41 Sample collection and analyses........................................43 Statistical Analysis........................................................46 Results and Discussion............................................................47 Conclusion.........................................................................49