"Domestic animal and poultry waste has become a major source of environmental pollution," Oriental Outlook Weekly quoted Wu Weixiang, associate professor with Zhejiang University’s College of Agriculture, as saying in its latest issue.
The country became the world’s top meat and egg producer last year.
According to Cheng Xu, a professor at the China Agricultural University, the nation has more than 20,000 large and medium-sized livestock farms, but only 3% are equipped with waste treatment facilities.
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photo by Ian Koh