Farmers struggle to treat pig waste

Farmers struggle to treat pig waste Vietnamese farmers want to raise pigs on large farms but have little experience in treating large amounts of livestock waste, according to an environmental researcher from the Vietnam Environment Administration (VEA). Inside a pig farm Although it has been a means of earning a living for generations of Vietnamese families, raising pigs has left negative impacts on the environment which are unresolved, said Nguyen Thi Thu Huong from VEA’s Institute of Environmental Science at a conference on livestock breeding in Hanoi on February 22. Although Vietnam ranks sixth globally in terms of pig production, its farmers are struggling with livestock waste treatment, she said. For farmers who raise pigs on a small-scale (10-100 pigs) inside their household farm, the amount of waste often overwhelms their biogas digesters. (A biogas digester, or a biogas plant, is a large tank used to treat pig manure.) Authorities of different localities have tried to overcome the situation by getting farmers to raise pigs in large-scale farms, Huong added. But as the number of pig farms surged in the past few years and so did the amount of waste, it became harder for farmers to treat the waste and for authorities to supervise the treatment process. Overlaps in management authority are a major issue, Huong said, adding that the standards for waste discharge were written by both the Ministry of Natural Resources and Environment and the Ministry of Agriculture and Rural Development. According to her, some of them were… [Read full story]


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