Interpretation and Analysis of Individual Diagnostic Tests and Performance Diagnostic Strategies for Ruminant Populations Submitting High-Quality Clinical Pathology Samples for Best Results Metabolic Profiling in Ruminant Diagnostics The Role of Histopathology in Ruminant Diagnostics Current and Emerging Diagnostic Approaches to Bacterial Diseases of Ruminants Application and Interpretation of Antimicrobial Susceptibility Testing Diagnostics for Viral Pathogens in Veterinary Diagnostic Laboratories Serology in Bovine Infectious Disease Diagnosis Toxicology and Analytical Chemistry Next-Generation Diagnostics for Pathogens Future Directions for Ruminant Diagnostics