Abstract Intestinal Integrity and Key Biomarkers for Performance Kogut, M. September 2025 biomarkers | Intestinal Integrity | Poultry Abstract The Influence of L-glutamine Supplementation on Measures of Intestinal Permeability, Immune Function, and Physiological Stress in Holstein Heifer Calves Ceja G., J. Boerman, R. Neves, J. Schoonmaker, M. Jorgensen and J. Johnson May 2022 Dairy | Dairy Calves | Glutamine | Immune Function | Intestinal Integrity | Milk Replacer | Physiological Stress