Résumé
An intervention to fight the deficiencies of iron, zinc and vitamin A was conducted in /I 60 school children aged < 6years old, 7-10years old and 10-12years old. Selection was randomly assigned to receive daily fortified biscuits in a period of 6 months. Children in the intervention group received biscuits fortified with vitamin A [456IU/60 gm], iron [3mg/60gm] and zinc [1.8 mg/60gm]. Anthropometric data and chemical indicators before and after were collected and compared at base line and follow up process for the intervention group. The prevalence of low serum iron, zinc were increased to reach the normal level, however, vitamin A increased, but not able to reach the normal level. Studies of the relationship of hemoglobin, serum iron, zinc and retinol were undertaken and discussed