Krishnaveni, N2017-01-232017-01-232010https://ir.avinuty.ac.in/handle/avu/1090Cyprinus carpio fmgerlings were fed with various levels of the commercial herbal growth promoter ('Liv.52'). After 60 days of culture, a very positive result was found in 'Liv.52' fed fmgerlings. The administration o f Liv.52' in all the levels produced significantly (P<0.05) higher weight gain and muscle proximate composition (moisture, protein, carbohydrate, fat, ash and calorific contents). The utilization of feed increased significantly (P<0.05) in the supplemented diet fed fish from that of control. Among the different percentages, 20% 'Liv.52' incorporation performed better in the overall status.