Estimation of the number of free-roaming dogs and dog density in Dhaka City, Bangladesh during January and March 2011.

n1: total number of animals sighted and marked on the first samplen2: total number of animals sighted on the second samplem: number of marked animals on the first sample that were re-sighted on the second sampleN is the estimated total population of dogs using Chapman estimates with 95% confidence interval (see Eqs 1 and 2 in the text).*Total estimated population is the sum of the estimate in each wardEstimation of the number of free-roaming dogs and dog density in Dhaka City, Bangladesh during January and March 2011.