Figure 3From: Boma to banda - A disease sentinel concept for reduction of diarrhoeaA herder holds a calf from his herd. In pastoralist communities, calves are often managed in small herds kept close to the household for protection and care. This practice provides an opportunity for use of calves as disease sentinels as they are under close observation and monitoring by caretakers (photo by D. Wolking)Back to article page