(11) This work involved advocating for breastfeeding, the preparation of 'humanised milk' in cases where breastfeeding was unsuccessful, the distribution of humanised milk, and the education of women in the correct way to feed and care for their infants known as the 'Truby King method'.
The formation of the Karitane Products Society in 1927 to market the humanised milk products Karilac and Kariol developed by Truby King as appropriate alternatives to breast milk supported the Plunket Society in its work, however, raises questions over the priorities of the Society and its intentions to support breastfeeding.
(68) In addition to humanised milk, a strong emphasis was placed on vitamin C intake and mothers were encouraged to feed their infants orange juice.
For those mothers not breastfeeding, the effort required to prepare the humanised milk advocated by the Plunket Society was enough to take up several hours.