MIXING:Cut the plastic sachet that contains the inoculate and growth medium and shake the contents into the container. Add lukewarm water (40C) to the content. Shake well; leave for 2 days at optimal temperature (28C — 32C). Store in cool dry conditions.BI-OSTROSIN expires 12 months after date of manufacturing.BI-OSTROSIN already mixed, can be stored for 2 months at room temperature and for up to 6 months in a refrigerator at 4C.FEED INSTRUCTIONS:Chickens: 1 ml per day in the drinking water.From 25kg live weight: 5ml in the drinking water daily.From 50kg live weight: 10ml in the drinking water daily.Treat at least every second week for seven days. Can also be dosed orally.Dose orally if stress is suspected.