Table 2. Survival rate (%) of the 12 Korean domestic chickens
| Varieties | Growing period (4 wks~12 wks) | Laying period (13 wks~58 wks) | Total period (4 wks~58 wks) |
| Korean Rhode-C | 97.0 | 90.8 | 88.1 |
| Korean Rhode-D | 98.1 | 94.1 | 92.2 |
| Korean Leghorn-F | 94.4 | 76.5 | 72.2 |
| Korean Leghorn-K | 92.4 | 81.4 | 75.2 |
| Korean Cornish Black | 99.0 | 66.7 | 66.0 |
| Korean Cornish Brown | 100.0 | 62.2 | 54.3 |
| Korean Ogye | 100.0 | 86.3 | 86.3 |
| KNC Grayish-brown | 98.9 | 83.0 | 82.0 |
| KNC Black | 94.9 | 87.5 | 83.1 |
| KNC Reddish-brown | 97.1 | 67.0 | 65.1 |
| KNC White | 100.0 | 92.2 | 92.2 |
| KNC Yellowish-brown | 100.0 | 87.6 | 87.6 |
| Total | 97.7 | 81.3 | 78.6 |