Ano-nikuya-wa i-kkagetsu-de {?? go-hyaku-kiroguramu-no uma / uma go-hyaku-kiroguramu}-o u-tta .
that-butcher-TOP 1-month-in { 5-100 CL-no horse / horse 5-100 CL}-ACC sell-PAST
That butcher sold { (a) 500 kilogram horse(s) / 500 kilograms of horse} in a month.