The book is a summary of an investigation of BRD in Khartoum State. The used simplified BRD scoring system, assessed 6 clinical signs with specific points. A total score of 5 or higher classified the calf as a BRD case. Among 450 dairy calves investigated, 40 calves (8.9%) were positive for the scoring system. Out of the 40 dairy calves positive for BRD, 24 (60%) were male calves. Out of the 40 dairy calves positive for BRD, 25 (62.5%) were 1 month old, 5(12.5%) were 1.5 month old, 4 (10.0%) were 2 months old, 2 (5.0%) were 2.5 months old and 4 (10.0%) were 3 months old. Out of the 40 dairy calves positive for BRD, 40 (100%) appeared nasal discharges, 31 (77.5%) eye discharges, 33 (82.5%) coughing, 25 (62.5%) difficult breathing, 13 (32.5%) fever and 29 (72.5%) ear drop or head tilt.