Restoration Agriculture requires animals, and those animals need to be culled or aged out of the farm. A holistic approach to land management could easily in the neighborhood of about 10% as much meat, and some larger proportion of eggs, to what we currently produce.

If you specifically had some agenda for not feeding any of this meat to humans, I could offer a few suggestions, but those would still net you a surplus of chicken and/or pork, because closed cycles have substantial pathogen problems.