Table 1: Apparent and true prevalence estimates for animal, within-herd, and between-herd prevalences derived from 629 Boer goats in 25 Missouri herds.

Prevalence typeNumber tested Number positive for MAPApparent prevalence True prevalence
Estimate, %95% CI Estimate, %95% CI

Animal 629121.91.1 to 3.3 1.4 0.1 to 3.6
Within-herd 20 to 430 to 6
Between-herd2593620.2 to 55.554.728.2 to 86.2