I'm curious how well this would work or if it could be done at all. Has anyone ever heard of anybody using a food forest with a diverse assortment of fruit/nut trees, stacked, and with other perennials which would provide pigs with food year round? I'm thinking the design would need to address the year round needs of the pigs for protein, carbohydrates, vitamins, and minerals. And you could always complement it with feed. Anybody ever heard of such a system? The pigs loved the 1.5 acre food forest we created out here but I don't think there is enough earthworm protein to support pigs full time without wreaking havoc on the ground cover. ...unless nuts could be used as an alternative protein source to earthworms. They also destroyed the cassava patches and i'm thinking bananas and sweet potato could be a more suitable carb source. Any thoughts? It would be fun to think of what sizes and what plants could be used to support a pig or two.