Table 1. Number of chickens of 5 Korean native chicken strains used in this study
| KNC-Black | KNC-Grayish Brown | KNC-Reddish Brown | KNC-White | KNC-Yellowish Brown | Total |
1995 | 349 | 518 | 853 | 220 | 966 | 2,906 |
1996 | 447 | 535 | 1,064 | 446 | 1,002 | 3,494 |
1997 | 629 | 449 | 1,341 | 485 | 1,219 | 4,123 |
1998 | 569 | 187 | 1,003 | 189 | 1,012 | 2,960 |
2000 | 376 | - | 622 | - | 595 | 1,593 |
2001 | 614 | - | 543 | - | 664 | 1,821 |
2002 | 530 | - | 478 | - | 491 | 1,499 |
2003 | 540 | 254 | 690 | 198 | 751 | 2,433 |
2004 | 207 | - | 541 | - | 524 | 1,272 |
2005 | 509 | - | 682 | - | 702 | 1,893 |
2006 | 519 | - | 757 | - | 758 | 2,034 |
2007 | 242 | - | 623 | - | 614 | 1,479 |
2008 | 1,259 | 405 | 1,462 | 360 | 1,919 | 5,405 |
2009 | 483 | - | 446 | - | 515 | 1,444 |
2010 | 575 | - | 521 | - | 574 | 1,670 |
2011 | 520 | - | 496 | - | 538 | 1,554 |
2017 | 59 | 89 | 103 | 90 | 105 | 446 |
Total | 8,427 | 2,437 | 12,225 | 1,988 | 12,949 | 38,026 |