Table 7. Annual average hen-housed egg productions from first egg laying to 270 d in 5 Korean native chicken strains

	KNC-Black	KNC-Grayish Brown	KNC-Reddish Brown	KNC-White	KNC-Yellowish Brown	Mean
1995	74.4	78.9	75.3	69.4	77.8	75.2defg
1996	70.2	74.4	78.5	69.0	79.9	74.4efg
1997	76.1	71.4	77.0	76.8	76.4	75.5defg
1998	74.2	76.6	78.3	79.0	78.7	77.4cdefg
2000	100.9	-	99.4	-	104.5	101.6a
2001	64.2	-	64.5	-	67.6	65.4fgh
2002	60.2	-	59.0	-	62.3	60.5gh
2003	76.0	79.8	81.7	89.3	88.8	83.1bcde
2004	75.5	-	84.7	-	90.0	83.4bcde
2005	74.9	-	82.1	-	87.8	81.6bcdef
2006	51.7	-	83.6	-	90.1	75.1defg
2007	46.5	-	73.1	-	82.4	67.3efgh
2008	40.3	-	56.0	-	60.7	52.3h
2009	91.0	-	94.3	-	100.6	95.3ab
2010	88.2	-	91.6	-	96.8	92.2abcd
2011	90.3	-	92.5	-	99.9	94.2abc
2017	55.2	59.3	62.1	83.4	77.5	67.5efgh
Mean±SE	71.2±4.0B	73.4±3.1B	78.5±3.1AB	77.8±3.2AB	83.6±3.1A	77.3±1.7

The different superscripts within column significantly differ (P<0.01).
The different superscripts within row significantly differ (P<0.01).