The siblings’ new offer essentially would have the four buying out Billy’s and Adolphus’s shares in the family trust that owns Grant’s Farm.

It is unclear if the siblings would eventually allow the zoo to lease or buy space for animal husbandry, or if they might let Billy Busch add Kräftig beer taps, brewing equipment or office space.

But the move would put the four in clear control of the land.

Valentine and Andrew Busch said in an interview on Thursday that all four liked the partnership with the zoo. “Now that’s off the table,” Valentine said. But the siblings still want the farm to “live on,” and still want to be involved, as they would have been under the zoo plan.

The four have more managerial experience and deeper pockets than Billy Busch does by himself, Valentine continued. And Anheuser-Busch will continue to run the farm, as it has for 62 years, they said.

“We think they’ve been wonderful partners,” Andrew Busch said. “We believe they’re committed to operating the place.”

A spokeswoman for Anheuser-Busch did not return a call seeking comment.

The two said the business model isn’t changing, and they didn’t expect to present a new one.