Table 5. Egg production performance of Korean native chicken parent stock combinations

♂ × ♀	Age at first egg laying (day)	Hen-housed egg production (egg)	Hen-day egg production (%)	Egg weight at 32wks (g)
HH	177.3±2.6^a	57.3±10.7^e	52.2±8.9^d	61.9±1.6^ab
FF	161.3±5.8^bcd	61.7±8.6^e	56.0±7.9^d	60.8±2.0^abcd
SS	150.3±5.7^de	85.6±3.5^abc	77.5±2.9^ab	57.3±1.9^e
YY	170.5±5.2^ab	72.6±2.3^d	64.8±2.0^c	58.3±1.8^de
HF	166.5±7.6^abc	54.2±1.4^e	49.6±1.3^d	61.5±2.2^ab
FH	166.8±2.2^abc	60.2±4.4^e	53.8±4.0^d	61.0±0.7^abcd
HS	162.5±4.0^bcd	83.4±2.7^abc	76.9±4.8^ab	60.6±1.4^abcd
SH	155.3±3.3^cde	82.7±3.0^abc	73.9±3.1^ab	61.7±2.0^ab
HY	156.8±4.7^cde	79.0±9.0^bcd	71.6±9.0^abc	59.4±0.5^bcde
YH	155.0±10.5^cde	77.3±3.1^cd	69.9±2.1^bc	61.3±2.4^abc
FS	152.5±4.3^de	83.9±3.0^abc	74.9±3.0^ab	60.3±1.3^abcd
SF	147.0±10.4^e	88.7±1.3^a	79.2±1.0^a	61.7±0.7^ab
FY	145.5±9.3^e	81.9±4.6^abc	75.3±7.4^ab	59.6±0.9^bcde
YF	157.5±5.6^cde	82.1±1.3^abc	73.3±0.6^ab	62.9±1.1^a
SY	150.5±3.4^de	87.9±1.8^ab	79.5±2.1^a	58.6±0.8^cde
YS	146.5±14.0^e	84.3±4.0^abc	75.2±3.9^ab	58.6±0.5^cde
Means	157.6±11.3	76.4±12.2	69.0±10.9	60.3±2.1

Values are mean±standard deviation.
The different letters of superscript within the column significantly differ (P<0.05).