Table 4. Hen-day egg production (%) in Korean native chicken cross combinations

Cross combinations	wk 21-24	wk 25-28	wk 29-32	wk 33-36	wk 37-40	wk 41-44	wk 45-48	Total (wk 21-48)
YC	64.9±7.9^bc	80.2±5.5^c	70.4±16.4^de	70.3±8.3^b	77.0±7.2^bc	72.5±9.0^bc	72.9±10.1^ab	72.5±5.2^bc
YD	69.8±5.9^abc	84.6±2.5^abc	83.9±5.7^abcd	81.0±3.1^a	74.5±12.1^bcd	68.9±19.2^bc	68.5±12.9^bc	76.5±6.1^b
YF	71.5±6.5^ab	81.4±8.6^bc	73.8±14.4^cd	69.5±12.6^b	59.5±8.7^e	43.8±8.4^e	46.2±10.6^ef	62.8±3.7^d
YK	78.6±3.8^a	88.4±9.5^ab	85.2±15.3^abcd	79.8±14^a	66.7±1.0^cde	50.2±5.6^de	47.7±5.6^def	67.5±3.6^cd
CD	46.8±13.6^d	70.7±9.5^d	58.6±27.3^e	66.5±12.5^b	70.7±14.7^cde	64.3±11.0^cd	59.3±8.7^cd	62.5±10.0^d
CF	67.4±6.0^bc	88.6±4.2^ab	89.7±4.0^ab	85.1±4.9^a	88.8±6.0^a	88.7±7.1^a	85.0±9.1^a	84.2±2^a
CK	78.9±7.8^a	91.4±4.0^a	92.5±2.7^a	89.7±2.6^a	82.7±10.2^ab	82.2±6.7^ab	80.8±13.0^ab	86.0±2.5^a
DF	65.1±11.2^bc	91.2±1.2^a	90.3±2.7^ab	84.0±6.4^a	60.2±14.4^e	39.1±17.7^ef	38.3±16.8^fg	65.0±7.7^d
DK	62.9±10.8^bc	86.6±7.4^abc	87.9±3.7^abc	67.5±7.6^b	38.8±6.1^f	26.5±9.1^f	27.7±6.6^g	48.5±5.6^e
FK	60.1±4.5^c	84.8±5.4^abc	75.7±7.5^bcd	67.6±8.4^b	64.2±9.4^de	45.8±26.1^e	54.1±11.1^de	64.0±4.8^d
Means	67.3±11.5	84.9±8.1	81.2±15.3	76.9±11.5	70.4±16.1	61.7±22.7	61.3±20.6	70.7±12.0