Growth rarameters | Dietary treatments | ||||
---|---|---|---|---|---|
C2 | PP1 | PP2 | PP3 | PP4 | |
Initial weight (g) | 1.05 ± 0.010 | 1.03 ± 0.010 | 1.05 ± 0.010 | 1.06 ± 0.002 | 1.03 ± 0.010 |
Final weight (g) | 2.81 ± 0.010C | 2.93 ± 0.050BC | 3.02 ± 0.060AB | 3.21 ± 0.150A | 2.78 ± 0.390C |
Weight gain (g) | 1.75 ± 0.001C | 1.90 ± 0.040BC | 1.97 ± 0.080AB | 2.15 ± 0.010A | 1.75 ± 0.040C |
Growth % gain in BW | 166.53 ± 2.640B | 184.27 ± 1.940AB | 188.10 ± 9.410AB | 202.58 ± 1.340A | 169.73 ± 3.220B |
Growth per day in BW | 1.01 ± 0.010B | 1.07 ± 0.010AB | 1.07 ± 0.030AB | 1.12 ± 0.003A | 1.02 ± 0.010B |
Specific growth rate (SGR) (% BW d−1) | 0.42 ± 0.003B | 0.45 ± 0.003AB | 0.46 ± 0.020AB | 0.48 ± 0.003A | 0.43 ± 0.010B |
Feed conversion ratio (FCR) | 2.76 ± 0.030AB | 2.64 ± 0.030C | 2.74 ± 0.090AB | 2.53 ± 0.020BC | 2.84 ± 0.010A |
Gross conversion efficiency (GCE) | 0.36 ± 0.004B | 0.38 ± 0.004AB | 0.37 ± 0.010B | 0.40 ± 0.003A | 0.35 ± 0.002B |
Protein efficiency ratio (PER) | 0.04 ± 0.003C | 0.05 ± 0.001BC | 0.05 ± 0.002AB | 0.05 ± 0.0003A | 0.04 ± 0.001C |
Apparent protein digestibility (APD) (%) | 74.64 ± 0.490B | 77.43 ± 0.640AB | 78.37 ± 0.630A | 78.96 ± 0.680A | 76.62 ± 0.570AB |
Protease activity (mg of tyrosine liberated mg of protein−1 h−1) | 2.23 ± 0.020C | 2.30 ± 0.020B | 2.33 ± 0.020B | 2.62 ± 0.020A | 2.27 ± 0.020BC |
Amylase activity (mg of maltose liberated mg of protein−1 h−1) | 1.68 ± 0.020D | 1.84 ± 0.010E | 2.13 ± 0.020B | 2.40 ± 0.010A | 1.93 ± 0.010C |
Cellulase activity (mg of glucose liberated mg of protein−1 h−1) | 1.20 ± 0.020E | 1.35 ± 0.010D | 1.47 ± 0.020C | 1.73 ± 0.010A | 1.55 ± 0.010B |