'must be nursed' is British (Australian) for
held in arms or on lap. In Australia you will see signs on public toilets that say 'nursing mothers'. It's not only for baby feeding, but indicates an area for baby and child care.
You will find that mothers are highly respected in Australia.
When we went to the ferry to go to the Sydney Zoo, the ticket seller told me to follow the crocodile. (spelling?) She didn't mean the animal, she mean the line of children following their teachers!