Dietary Incorporation of Ractopamine Hydrochloride Improves Body Composition and Metabolic Enzyme Activity in Calbasu, Labeo calbasu Fingerlings, despite High- and Low-Protein-Supplemented Diet

A 60-day feeding trial was conducted to examine the effect and interaction of dietary ractopamine hydrochloride (Rac) supplementation in diets with varied levels protein lipid for L. calbasu fingerlings. To attain this, fish body compositions, digestive metabolic enzyme activity were assessed. In total, nine fed triplicates four hundred five healthy Calbasu, Labeo fingerlings, based on supplementation, viz., control (0 mg/kg), T1 (10 T2 (20 mg/kg). The further assigned different lipid, 35% 6% 30% 9% 25% 12% lipid. At end trial, it has been observed that inclusion at 20 mg/kg-1 basal diet significantly ( p < 0.05 ) improved content compared control. addition, hexokinase, glucose-6-phosphate, glucose-6-phosphate dehydrogenase along aspartate amino transferase alanine id="M2"> mg/kg hydrochloride. However, does not improve id="M3"> > activity, amylase, lipase, protease fish. Conclusively, implies adding (high low content) enhances whole-body improves Hence, a beneficial fingerlings would be desirable feed supplement this new species culture system.