A new environmental study has found that pig farms are generating less manure nutrient content associated with odor. Data gathered from more than 106,000 samples at 182 North Carolina farms showed significant reductions in ammonia levels and manure nutrient content. The improvements are attributed to gains in feed efficiency. “For an industry that is continually striving to become more sustainable, this study shows that pig farmers are making significant progress toward reducing the environmental impact of their farms,” said Harper Consulting president Lowry Harper, who conducted the study from decades-long data.
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