Table 3. Comparison of body weight between crossbred Korean native chickens and Hy-Line Brown from weeks 18 to 64

Period	Treatments¹													SEM²	P-value
Period	CFCK	CFYC	CFYD	CKCF	CKYC	CKYD	YCCF	YCCK	YCYD	YDCF	YDCK	YDYC	Hy-Line Brown	SEM²	P-value
Body weight (g)
Week 18	1,284.1^abc	1,315.2^bcd	1,264.4^abc	1,426.8^d	1,301.1^abcd	1,268.1^abc	1,175.9^a	1,222.9^ab	1,330.8^bcd	1,174.8^a	1,274.7^abc	1,386.9^cd	1,326.4^bcd	11.635	0.003
Week 28	1,704.5^a	1,835.7^abcd	1,812.4^abc	1,911.0^bcd	1,763.3^ab	1,733.3^a	1,789.3^abc	1,816.4^abc	1,984.1^d	1,799.8^abc	1,849.0^abcd	1,927.9^cd	1,918.9^bcd	13.661	0.001
Week 64	1,862.4	1,969.2	1,927.4	1,909.5	1,958.7	1,942.8	1,944.5	2,066.4	2,184.9	1,925.9	1,901.7	2,081.3	1,960.0	24.218	0.276
Week 18–64	1,617.0^a	1,706.7^abc	1,668.1^ab	1,749.1^abc	1,674.4^ab	1,648.0^ab	1,636.6^a	1,701.9^abc	1,833.3^c	1,633.5^a	1,675.1^ab	1,798.7^bc	1,735.1^abc	13.365	0.031

Values in a row with different superscripts differ significantly (P<0.05).
C, D: Korean Rhode Island; F, K: Korean Leghorn; Y: Korean domestic chicken.
SEM, standard error of the means.