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It's called "Zoo Doo," a composted mixture of manure. And a zoo in Michigan is selling the stuff.
Binder Park Zoo in Battle Creek is hosting a "Zoo Doo" event Thursday and June 5.
The zoo has compost available from herbivores - animals that feed on grass and other plants - that will sell at $25 a load to zoo members. Nonmembers will pay $30. The price is a deal, since cow manure can sell for around $2 or $3 a bag. That's what horticulturist Frank Cummins told the Battle Creek Enquirer.
Zebra, antelope, giraffe and other animals are contributing to the gardening aid, the Kalamazoo Gazette reports.
Binder Park Zoo says it's a "fun and creative way" to raise money. And dispose of waste. It also uses the compost as fertilizer at its facilities.
Critical thinking challenge: Why would a zoo sell this stuff. Who benefits? The buyer, the seller or both?