The influence of the glycaemic index of breakfast and lunch on substrate utilisation during the postprandial periods and subsequent exercise – Comments by J. Galgani et al. Stevenson et al. (2005) recently assessed, in a group of athletes, the effect of highand low-glycaemic-index meals (breakfast and lunch) on fuel utilization under resting and exercise conditions using a crossover design. The...

Dr Marinos Elia (Cambridge) described the theoretical basis of compartmental analysis of body composition. Classically the body has been considered to be composed of fat and fat-free tissue. Fat is a relatively homogeneous compartment but fat-free mass (FFM) includes water, protein, bone, glycogen and small amounts of other constituents. He described how increasingly sophisticated methods of bo...

Choice feeding is often used to investigate an animal's nutritional requirements and dietary preferences. A problem with this approach is that animals with long gut transit times, such as the horse, may find it difficult to associate a chosen food with its nutritional consequence when alternative foods are presented simultaneously. One solution is to present foods singly for a period of time be...