traveyard: Rabbits, Quail and Worms - the rabbits produce meat and their manure falls down into the pen below, which contains coturnix quail and worms. The worms feed on the rabbit and quail manure, and, in turn, the quail eat maggots and worms and produce meat and eggs. What a cool system!

Rabbits, Quail and Worms - the rabbits produce meat and their manure falls down into the pen below, which contains coturnix quail and worms. The worms feed on the rabbit and quail manure, and, in turn, the quail eat maggots and worms and produce meat and eggs. What a cool system!

Rabbits, Quail and Worms - the rabbits produce meat and their manure falls down into the pen below, which contains coturnix quail and worms. The worms feed on the rabbit and quail manure, and, in turn, the quail eat maggots and worms and produce meat and eggs. What a cool system!

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