Assessment of subsidies to minimize environmental pollution by Intensive Hog Feeding Operation (IHFO)
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文摘

Policy subsidy will impact on the technology selection of producers with a breakthrough of a threshold.

Biogas engineering subsidy can play a role in large-scale Hog Farms.

Litter subsidy of Fermented Bed plays mainly for small and medium-scale Hog Farms.

Intensity for sewage charges should be enlarged.

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