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Table 1 Proportional allocation of calculated sample size by animal species (95% CI, 5% d , 15% P exp , 0.0039 V c )

From: Evidence of rift valley fever seroprevalence in the Sahrawi semi-nomadic pastoralist system, Western Sahara

Species Total population (2007 census data) Sample size required Sample size per 11 cluster
Sheep 62681 443.1 40.3
Goats 51649 443.8 40.3
Camels 26175 447.5 40.7
TOT 140505 1334.4 121.3