... and Active Feed Dry Yeast. Main brands are: A-ONE, PROSPER, AOYING, DAXING, LEQIER, total 30 different packages ... feed. Please don’t ferment for a long time, in case the foreign bacteria pollute the feed ... the feed and Active Feed Dry Yeast according to one time usage. Extra fermented feed should be kept in ... active feed yeast in cool and dry place. Please use up after opened, or keep in refrigerator.B. ...