Growth parameters | Dietary treatments | ||||
---|---|---|---|---|---|
C1 | P1 | P2 | P3 | P4 | |
Initial weight (g) | 1.04 ± 0.01 | 1.01 ± 0.004 | 1.02 ± 0.003 | 1.05 ± 0.020 | 1.06 ± 0.002 |
Final weight (g) | 2.50 ± 0.010C | 2.79 ± 0.360B | 2.90 ± 0.090AB | 3.05 ± 0.050A | 2.78 ± 0.250B |
Weight gain (g) | 1.47 ± 0.020C | 1.78 ± 0.030AB | 1.87 ± 0.080AB | 2.00 ± 0.070A | 1.72 ± 0.030B |
Growth % gain in BW | 141.09 ± 4.150C | 175.82 ± 3.170AB | 181.92 ± 7.590AB | 192.18 ± 9.920A | 161.48 ± 2.240BC |
Growth per day in BW | 0.92 ± 0.030C | 1.04 ± 0.010AB | 1.05 ± 0.040AB | 1.09 ± 0.050A | 0.99 ± 0.010B |
Specific growth rate (SGR) (% BW d−1) | 0.38 ± 0.010C | 0.44 ± 0.010AB | 0.45 ± 0.010AB | 0.46 ± 0.150A | 0.42 ± 0.003BC |
Feed conversion ratio (FCR) | 3.13 ± 0.090A | 2.74 ± 0.030B | 2.68 ± 0.110B | 2.58 ± 0.080B | 2.81 ± 0.050AB |
Gross conversion efficiency (GCE) | 0.32 ± 0.010C | 0.36 ± 0.004AB | 0.37 ± 0.020AB | 0.39 ± 0.010A | 0.36 ± 0.010B |
Protein efficiency ratio (PER) | 0.04 ± 0.001C | 0.04 ± 0.001AB | 0.05 ± 0.002AB | 0.05 ± 0.002A | 0.04 ± 0.003BC |
Apparent protein digestibility (APD) (%) | 74.25 ± 0.620B | 74.32 ± 0.600B | 75.68 ± 0.530AB | 77.67 ± 0.420A | 75.50 ± 0.670AB |
Protease activity (mg of tyrosine liberated mg of protein−1 h−1) | 1.77 ± 0.010D | 2.14 ± 0.010C | 2.21 ± 0.010B | 2.33 ± 0.010A | 2.14 ± 0.010C |
Amylase activity (mg of maltose liberated mgof protein−1 h−1) | 1.29 ± 0.020E | 1.47 ± 0.010D | 1.72 ± 0.010B | 2.09 ± 0.010A | 1.57 ± 0.010C |
Cellulase activity (mg of glucose liberated mg of protein−1 h−1) | 0.97 ± 0.010E | 1.11 ± 0.010D | 1.20 ± 0.010C | 1.40 ± 0.010A | 1.29 ± 0.010B |