Impact of commercial probiotics application on growth and production of giant fresh water prawn (Macrobrachium Rosenbergii De Man, 1879)

The study was conducted to observe the impact of commercial probiotics application on growth and production performance of fresh water prawn (Macrobrachium rosenbergii) from August 2011 to March 2012. There were four experimental groups viz (a) control or without probiotics treated prawn (T1), (b) feed probiotics- Zymetin (T2) treated prawn, (c) soil probiotics- Super PS (T3) treated prawn and (d) Both Zymetin and Super PS (T4) treated prawn. Twelve ponds (each 120 m2) were used where stocking density was 2/m2 for all treatments and control and each was triplicated. After pond preparation, prawn PL was reared in the nursery pond for 45 days to become juvenile. At the time of stocking in growout ponds, average body weight of juvenile prawn…