Table 4. Annual average survival rates of growing and laying period (9∼38 wks) in 5 Korean native chicken strains

KNC-Black KNC-Grayish Brown KNC-Reddish Brown KNC-White KNC-Yellowish Brown Mean
1995 95.5 95.9 94.1 95.3 95.3 95.2
1996 91.9 96.1 93.0 85.4 92.1 91.7
1997 93.2 91.5 91.0 91.6 92.7 92.0
1998 93.7 96.0 92.6 92.8 93.5 93.7
2003 94.9 93.3 94.8 95.0 95.9 94.8
2004 95.7 - 94.2 - 95.8 95.2
2005 94.1 - 93.3 - 91.8 93.1
2007 89.0 - 93.0 - 92.3 91.4
2008 84.6 84.7 95.1 90.7 96.3 90.3
2017 91.4 89.9 77.5 96.7 91.4 89.4
Mean±SE 92.4±1.1 92.5±1.6 91.9±1.6 92.5±1.4 93.7±0.6 92.7±0.6