Contribution of Endogenous Nitrogen Secretions and Urea Recycling to Nitrogen Metabolism
D. R. Ouellet, D. Valkeners, G. Holtrop, G. E. Lobley, and H. Lapierre

Achieving Better Nitrogen Efficiency in Lactating Dairy Cattle: Updating Field Usable Tools to Improve Nitrogen Efficiency
M. E. Van Amburgh, E. B. Recktenwald, D. A. Ross, T. R. Overton, and L. E. Chase

Amino Acid Requirements for Lactating Dairy Cows: Reconciling Predictive Models and Biology
H. Lapierre, G. E. Lobley, D. R. Ouellet, L. Doepel and D. Pacheco

Reduced Crude Protein Rations for High Producing Cows: Production and Environmental Effects
G. Broderick

Use of Glycerol in Dairy Rations
T. R. Overton

Impact of Distillers Grains and Other New Ethanol Byproducts on Dairy Cow Performance
L. Armentano, E. French, and R. Kaiser

The Effects of Hyperthermia on Nutrient Partitioning
L. Baumgard and R. P. Rhoads

Effect of Stocking Density on Cow Comfort, Health, and Productivity
R. Grant

Formulation of Ruminant Diets Using Potentially-Fermentable NDF and Nonstructural Carbohydrates
M. L. Thonney and D. E. Hogue

The Future of Food Biotechnology
T. D. Etherton

Rumensin and Milk Fat Production
M. E. Van Amburgh, J. L. Capper and D. E. Bauman

Recent Advances in Milk Fat Depression: 1. Time Course of Milk Fat Depression and 2. Adipose Tissue Lipogenesis During Milk Fat Depression
K. J. Harvatine and D. E. Bauman

Estimation of the Nutritive Value of Grass Silages
P. Huhtanen, M. Rinne, and Juha Nousiainen

Environmental Impact of rbST Utilization
J. L. Capper, E. Castañeda-Gutiérrez and D. E. Bauman

Understanding Feed Analysis Variation and Minimizing Its Impact on Ration Formulation
N. R. St.-Pierre and W. P. Weiss

Application of Milk Urea Nitrogen Values
G. A. Broderick and P. Huhtanen

Effects of Prepartum Cation-Anion Strategy on Health and Performance of Dairy Cows
J. M. Ramos-Nieves and T. R. Overton

The Potential to Limit Feed Dairy Replacement Heifers
P. C. Hoffman

Can We Feed Less Starch to Our Cows
L. E. Chase

Novel Nutritional Stimulants for Bone Development and Function
X. G. Lei and K. Yasuda