Book excerpt: Protein and Energy Supply for High Production of Milk and Meat covers the proceedings of a Symposium of the Committee on Agricultural Problems of the Economic Commission for Europe and the Food and Agriculture Organization. The book presents studies that are relevant in producing more milk and meat products. The text presents 10 papers that discuss the advances in understanding the significance of rumen fermentation; protein/energy relationships in the intermediary metabolism of ruminants; and protein/energy relationships in the practical feeding of dairy and fattening cattle. The book will be of great use to researchers and professionals concerned with procuring more cattle products.