Microlact contains lacto bacillius sporogenesis. Microlact is a feed probiotic Microlact improves immunity of the prawn and fish, also increases their weight. Dosage & usage : Take 5 gms. of Microlact and mix with 1 kg. of feed. Package : 1 Kg. Shelf Life : 1 Year from the date of Mfg. Precautions 1. The above products should be stored at cool and dry place. 2. The above products should not mix with any chemicals.