Fasting 24 h 25.5 h Continuous 24 h 25.5 h Bolus Figure 4. The proportion of (a) ornithine decarboxylase (ODC) and (b) ribosomal protein S4 (rpS4) mRNAs in the polysomal fraction in the liver of pigs fasted overnight or fed continuously or by intermittent bolus for 24 or 25.5...