cme瘦弱猪指数编制规则。注意是全国平均价而不是爱荷华价格。对应的价格是hg200的表格。即全国屠宰场前一天平均购进价格。但这个指数是连续两天加权平均值。附件是详细的编制规则。

The sample consists of all producer-sold negotiated, swine or pork market formula and negotiated formula barrows and gilts purchased on a lean value direct basis by packers for which the head count, average net price and average carcass weight are reported in the “Nation