On May 29th, Zhang Langong, a ring maintenance pig farmer in Qinglao Town, Funan County, Shandong Province, insisted on humanized feeding and management, and built a 100-square-meter site around each pen. Specifically for the pig sport "fitness", through the daily "fitness" of the pig, less medication, fur light, good meat quality, slaughter price per kilogram higher than the ordinary pigs raised 1.2 yuan.
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