The main causes of a child's inadequate nutritional state include the following: Too short a period of exclusive breastfeeding and premature use of food and liquids of low energy density that satiate but do not nourish the infant; and an inadequate overall consumption of energy and proteins (which, on a per-person per-day basis, should respectively amount to 2,190 kcal and 44‐51 g) by the rural poor, compounded by the insufficient consumption of animal products and other vitamin A and iron sources, such as fruit and vegetables.
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