Research Article

Effects of Varying Dietary Protein Levels on Growth Performance, Survival, Body Composition, Haemato-Biochemical Profile, and Metabolic Responses of Hypselobarbus jerdoni (Day, 1870) Juveniles

Table 1

Formulation and proximate composition of the experimental diets (g/kg, dry matter basis).

Composition ingredients (g/kg)Treatmentsa
TCP20TCP25TCP30TCP35TCP40TCP45

GNOCb205205205205205205
Soybean meal205205205205205205
Casein1056102148194.8242
Gelatin2.51425.53748.760.5
Starch360320280240200160
Dextrin129.4111.994.476.958.439.4
Fish oil303030303030
Veg oil17.517.517.517.517.517.5
Vit. min. mixc151515151515
CMCd202020202020
BHTe0.20.20.20.20.20.2
Betaine555555
Stay-Cf0.30.30.30.30.30.3
Vitamin E0.10.10.10.10.10.1
Total100010001000100010001000
Proximate composition (g/kg; on dry matter basis; mean of triplicates)
 Moisture97.3395.1692.0794.0091.1099.16
 Crude protein200.53251.53301.43350.17401.77451.90
 Ether extract59.4258.4758.5360.4059.7761.27
 Total ash43.1040.9040.1745.2745.2048.60
 Crude fibre21.4721.6721.8022.5021.6721.00
 Nitrogen-free extract675.48627.43578.07521.67471.60417.23
 DE (Kcal/100 g)g403.88404.21404.48403.09403.14402.79
 P/E (mg CP/Kcal DE)h49.6562.2374.5286.8799.66112.19

aTreatment groups having graded levels of protein, i.e., TCP20 (200 g/kg dietary protein), TCP25 (250 g/kg dietary protein), TCP30 (300 g/kg dietary protein), TCP35 (350 g/kg dietary protein), TCP40 (400 g/kg dietary protein), and TCP45 (450 g/kg dietary protein). bGNOC: groundnut oil cake, procured from the local market, India. cComposition of vitamin-mineral mix (PRE-MIX PLUS) (quantity/kg): vitamin A, 5,500,000 IU; vitamin D3, 1,100,000 IU; vitamin B2, 2,000 mg; vitamin E, 750 mg; vitamin K, 1,000 mg; vitamin B6, 1,000 mg; vitamin B12, 6 mg; calcium pantothenate, 2,500 mg; nicotinamide, 10 g; choline chloride, 150 g; Mn, 27,000 mg; I, 1,000 mg; Fe, 7,500 mg; Zn, 5,000 mg; Cu, 2,000 mg; Co, 450 l-lysine, 10 g; DL-methionine, 10 g; selenium, 125 mg; vitamin C, 2,500 mg. dCMC: carboxymethyl cellulose, procured from HiMedia Ltd., India. eBHT: butylated hydroxytoluene, procured from HiMedia Ltd., India. fStay-C 35, protected vitamin C. gDE, digestible energy (Kcal/100 g) = 4 × CP (g/100 g) + 9 × EE (g/100 g) + 4 × NFE (g/100 g) [45]. hP/E, protein-to-energy ratio (mg CP/kcal DE) = (CP% ×1000)/DE.