Milking the Data: Measuring Income from Milk Production in Extensive Livestock Systems -- Experimental Evidence from Niger

34 Pages Posted: 20 Apr 2016 Last revised: 21 May 2020

See all articles by Alberto Zezza

Alberto Zezza

World Bank; World Bank - Development Research Group (DECRG)

Giovanni Federighi

University of Rome Tor Vergata

Kalilou Adamou

CGIAR - International Crops Research Institute for the Semi-arid Tropics (ICRISAT)

Pierre Hiernaux

CNRS-University of Paris 2

Amadou Adamou Kalilou Boulaga

affiliation not provided to SSRN

Alberto Zezza

United Nations - Food and Agriculture Organization (FAO)

Date Written: November 1, 2014

Abstract

Milk is an important source of cash and nutrients for many households in developing countries. Yet, the understanding of the role of dairy production in livelihoods and nutritional outcomes is hindered by the lack of decent quality household survey data. Data on milk off-take for human consumption are difficult to collect in household surveys for several reasons that make accurate recall challenging for the respondent (continuous production and seasonality, among others). As a result, the quantification and valuation of milk off-take is particularly difficult in household surveys, introducing possibly severe biases in the computation of full household incomes and farm sales, as well as in the estimation of the contribution of livestock (specifically dairy) production in agricultural value added and the livelihoods of rural households. This paper presents results from a validation exercise implemented in Niger, where alternative survey instruments based on recall methods were administered to randomly selected households and compared with a 12-month system of physical monitoring and recording of milk production. The results of the exercise show that reasonably accurate estimates via recall methods are possible and provide a clear ranking of questionnaire design options that can inform future survey operations.

Keywords: Livestock and Animal Husbandry, Labor Markets, Labor & Employment Law, Inequality, Nutrition

Suggested Citation

Zezza, Alberto and Federighi, Giovanni and Adamou, Kalilou and Hiernaux, Pierre and Boulaga, Amadou Adamou Kalilou and Zezza, Alberto, Milking the Data: Measuring Income from Milk Production in Extensive Livestock Systems -- Experimental Evidence from Niger (November 1, 2014). World Bank Policy Research Working Paper No. 7114, Available at SSRN: https://ssrn.com/abstract=2526571

Alberto Zezza (Contact Author)

World Bank ( email )

1818 H Street, NW
Washington, DC 20433
United States

World Bank - Development Research Group (DECRG)

1818 H. Street, N.W.
MSN3-311
Washington, DC 20433
United States

Giovanni Federighi

University of Rome Tor Vergata

Via di Tor Vergata
Rome, Lazio 00133
Italy

Kalilou Adamou

CGIAR - International Crops Research Institute for the Semi-arid Tropics (ICRISAT)

Nairobi, 39063
Kenya

Pierre Hiernaux

CNRS-University of Paris 2

Amadou Adamou Kalilou Boulaga

affiliation not provided to SSRN

No Address Available

Alberto Zezza

United Nations - Food and Agriculture Organization (FAO) ( email )

Viale delle Terme di Caracalla
Rome, Lazio 00100
Italy

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