Feeding Instructions: Keep VetOLac in a empty, clean and dry airtight container. Start with 1 gm of VetOLac and gradually increase the quantities by 2nd day as indicated on back of packet. Use the prepared feed within 30 mins. Discard the unused feed, if any. Storage instructions: Vet-O-Lac powder does not needs to be refrigerated but should be kept covered and stored in a cool and dry place, avoid exposure to excessive temprature and sunlight.