Table 5. Laying percentage, average egg weight (EW avg.) and egg mass production (Egg mass) of KNC varieties including KNC black (KNC_L), KNC white (KNC_W), KNC yellowish brown (KNC_Y), KNC reddish brown (KNC_R) and HIL varieties including HIL black (HIL_L), HIL white (HIL_W), HIL yellowish brown (HIL_Y), HIL grayish brown (HIL_G)

Parameters	KNC_L	KNC_W	KNC_Y	KNC_R	P-value1
Laying (%)	51.1±19.1	46.2±18.7	59.3±10.3	44.9±22.8	0.0593*
EW avg. (24~40 wks, g)	46.2±3.8	44.8±3.0	46.1±2.5	43.3±2.8	0.1118*
Egg mass (kg/hen/d)	2.5±0.7a	2.3±0.5ab	2.7±0.5a	1.7±1.1b	0.0045*
	HIL_L	HIL_W	HIL_Y	HIL_G	P-value
Laying (%)	43.6±19.9	36.7±22.7	39.6±15.9	54.4±7.2	0.0749+
EW avg. (24~40 wks, g)	43.7±3.0	41.9±7.4	42.6±2.8	41.2±2.6	0.5428*
Egg mass, (kg/hen/d)	1.9±0.9	1.6±1.0	1.7±0.8	2.2±0.3	0.2192+

P-values indicate the variation in each parameters across the varieties compared by ANOVA (*) or Welch’s ANOVA (⁺).
Within a row, value with different superscripts differ (Scheffe’s test or Games-Howell test, P<0.05).