A survey on the feeding way of infants was performed at urban and farming districts in Tochigi prefecture from the view points of the living area and of the educational grade of mothers.
Results were shown as follows.
1. Breast feeding was 75.0 per cent, mixed feeding 18.9, bottle-feeding 5.0 and breast feeding by wet-nurse is 1.2 per cent respectively.
2. From the point of the living area, breast feeding was prevalent both in urban and farming district, but bottle-feeding was more frequent in urban than in farming. The breast feeding period was longer in urban than in farming district.
3. From the point of the grade of the mother's education, breast feeding is prevalent in the mothers graduated from primaly schools, on the other hand, mixed-and bottle-feeding were higher in the mothers graduated from high schools and colleges.
Breast feeding period was longer in the former group than that of the later.
4. The growth of children by breast feeding was superior than that by bottle-feeding.