Mongoose proof chicken tractor

[ChickenHopefulddd]

That's the best bet.
No need to bury wire, do mongoose dig?
A permanent apron can work fine, might have to bury partially where ground is uneven.

Good examples of anti-dig apron installation.
https://www.backyardchickens.com/threads/wire-around-coop.1110498/#post-17093528
https://www.backyardchickens.com/threads/new-coop-project.1169916/page-2#post-18481208
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Great links! Love, love, love the pictures.