AmBev, Brazil's largest brewer, has seen its share of its domestic market fall from 70% to 66% between June and September this year, according to Dow Jones Newswires, who said it was culled, but not divulged, from the AC Nielsen group. AmBev's Skol, Brahma and Antartica brands accounted for 32.1%, 20.6% and 13.4%, respectively, of all beer sales in September, the report said. By comparison, in June, Skol, Brahma and Antartica accounted for 34.2%, 21.9%, and 14.1% of the market, respectively, according to Nielsen numbers collected by Brazil's National Brewers' Association, Sindcerv. The brand Schincariol, the country's fifth largest brand, picked up the largest share of AmBev's loss.