O'Donogue et al. (2025) summarized their work, "Bovine Respiratory Disease (BRD) is a major health issue in cattle worldwide, caused by a mix of pathogens, host factors, and environmental stresses. Diagnosis is difficult due to variable and often subtle symptoms. Common methods include clinical respiratory scoring (CRS), behavioural monitoring, auscultation, and thoracic ultrasonography (TUS). TUS is especially effective at detecting subclinical cases and predicting poor growth. BRD prevalence varies by region, age, and season, with higher rates in winter. Economically, BRD leads to mortality, reduced growth, and lower carcass value, causing significant direct and indirect losses. Early detection combining CRS and TUS improves outcomes and reduces costs."