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