Table 3.
Item | Dietary arginine levels, % |
||||
---|---|---|---|---|---|
2.44 | 2.64 | 2.81 | 3.01 | 3.23 | |
Initial weight, g | 1.13 ± 0.01 | 1.13 ± 0.01 | 1.15 ± 0.01 | 1.12 ± 0.02 | 1.14 ± 0.02 |
Final weight, g | 22.27 ± 0.74ab | 22.79 ± 0.68b | 22.86 ± 0.54b | 22.14 ± 0.61ab | 21.73 ± 0.34a |
WG, % | 1,867.03 ± 56.36ab | 1,914.04 ± 51.73b | 1,892.88 ± 44.43b | 1,882.52 ± 25.63ab | 1,815.09 ± 19.76a |
SGR, %/d | 5.32 ± 0.05ab | 5.36 ± 0.05b | 5.34 ± 0.04b | 5.32 ± 0.01ab | 5.27 ± 0.02a |
FCR | 0.79 ± 0.02ab | 0.77 ± 0.02a | 0.78 ± 0.02a | 0.78 ± 0.01a | 0.81 ± 0.01b |
PER | 2.96 ± 0.09ab | 3.09 ± 0.08c | 3.01 ± 0.07abc | 2.99 ± 0.02abc | 2.89 ± 0.03a |
CF, g/cm3 | 2.40 ± 0.06a | 2.41 ± 0.10a | 2.69 ± 0.16b | 2.51 ± 0.02a | 2.42 ± 0.09a |
HSI, % | 1.35 ± 0.09a | 1.36 ± 0.07a | 1.33 ± 0.06a | 1.19 ± 0.08a | 1.22 ± 0.19a |
VSI, % | 7.25 ± 0.39a | 7.78 ± 0.47a | 7.57 ± 0.60a | 8.09 ± 0.13a | 7.52 ± 0.18a |
WG = weight gain; SGR = specific growth rate; FCR = feed conversion ratio; PER = protein efficiency ratio; CF = condition factor; HSI = hepatosomatic index; VSI = viscerosomatic index.
a,b,c In the same row, values with no or the same letter superscripts mean no significant difference (P > 0.05), and with different letter superscripts mean significant difference (P < 0.05).