All of ours love:
acorns, sweet chestnuts, plums, pears, broad beans, peas, rose bay willowherb, clover, pumpkins, raspberries, brambles, goats' milk
Most like:
apples, beetroot, bananas, avocados, tomatoes, jerusalem artichokes, potatoes (cooked)
Some like:
carrots, marrows/courgettes, parsnips, cabbages & other brassicas
The pregnant and lactating sows all like greens - even if they don't like them when they're NOT pregnant/lactating
They all really like a myxy rabbit if they can catch one