Introduction and aimsIn 2004-05, Niger suffered a food crisis during which global attention became focused on high levels of acute malnutrition among children and high rates of infant and child mortality. In response, decentralised emergency nutrition programmes, targeted mainly at children under five, were introduced into many of the affected areas of southern Niger. Nearly two years later (at the time of writing), the emergency nutrition programmes are still operating widely, albeit with reduced admissions over recent months. Acute malnutrition has decreased among children under five during the past year, but it still remains very prevalent. Emergency nutrition programmes have reported high rates of non-cured discharges and drop-outs from the programme (FEWS NET, 2006, p. 6;Unicef Niger, 2006). It is widely accepted that the 2004-05 emergency was in fact an extreme manifestation of a long-term problem, and that a much broader response is required to tackle it (Baro and Deubel, 2006).In this context Concern Worldwide, one of the agencies delivering the humanitarian programme, commissioned an anthropological study early in 2006 with the aim of improving our understanding of the social context of child malnutrition and, in particular, to examine care practices and household decision making in relation to the nutritional vulnerability of children. In this paper, we aim: