Summary of brucellosis serology studies in sheep (S) and goats (G) in Nigeria.

1Range of diagnostic tests and respective number of studies for each test on which individual prevalence values in table have been based (see text).2Number of studies on which total number of individuals sampled and individual prevalence values have been based.3Sum of animal sample size for each study for which individual prevalence data is available.4Range of diagnostic tests and respective number of studies on which flock prevalence values in table have been based (see text).5Number of studies on which total number of flocks sampled and herd prevalence values have been based.6Sum of number of herds sampled for each study for which flock prevalence data is available.7Studies sampling extensive and intensive flocks in parallel.8Not applicable.