Household surveys are not always effective in collecting reliable data on the amount of milk small-scale producers retain for household consumption. This study reviewed alternative survey instruments to measure milk off-take in Niger. Results from the validation exercise revealed that recall methods can yield reasonably accurate estimates. The paper then ranks questionnaire design options to inform future survey operations.
Zezza, A., Federighi, G., Kalilou, A.A., & Hiernaux, P. Food Policy (February 2016) Vol. 59.pp.174-186.