Cockroaches in the greenhouse

Waste-processing plants in China use 1 billion cockroaches to process about 60 tons of daily kitchen waste.

Each day, the waste arrives at the plants, and is smashed into pieces before being fed to the roaches. According to the company chairman, Li Yanhong, the heat generated from the roaches is used to cultivate vegetables. When the roaches die, their bodies are milled and baked into high-protein livestock feed.

Read more at SupChina (Jia Guo)

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