Grains Australia sees more reliable pricing, deeper markets with decision

January-March gain was first in six quarters

Increases in meat, vegetable oil, cereal contribute

Crush, exports also expected to recover

Milling industry leaders also participate in international food aid showcase

Promotions took effect May 1

Data show year-on-year and unusual quarter-to-quarter growth

Has led company since establishment in 2014

Rosario Grains Exchange cites drought in Argentina for shift in its rankings

Says wild migratory birds believed to be original source of virus