Table 3.
Effects of in ovo feeding of L-arginine on growth performance of slow-growing chickens.
| Treatments | ||||
|---|---|---|---|---|
| Items | NC | Arg | SEM | p-Value |
| BWG (g) | ||||
| DOH–21 | 280.21 | 273.40 | 2.394 | 0.122 |
| D22–42 | 464.02 | 457.61 | 5.271 | 0.591 |
| D43–63 | 488.37 | 452.69 | 16.085 | 0.218 |
| FI (g) | ||||
| DOH–21 | 569.78 | 573.37 | 25.680 | 0.924 |
| D22–42 | 1026.70 | 1024.82 | 21.011 | 0.955 |
| D43–63 | 1261.64 | 1233.98 | 37.722 | 0.652 |
| FCR (g/g) | ||||
| DOH–21 | 2.03 | 2.10 | 0.092 | 0.581 |
| D22–42 | 2.21 | 2.24 | 0.052 | 0.794 |
| D43–63 | 2.58 | 2.73 | 0.045 | 0.084 |
BWG = body weight gain; FI = feed intake; FCR = feed conversion ratio (FI: BWG). DOH = day of hatching; D21 = day 21; D42 = day 42; D63 = day 63. NC = non-injected control group. Arg = 1% L-arginine-injected group. SEM = standard error of the mean. Values are means with n = 4 per treatment.