Table 1.
Comparison on body weight of male and female of four Korean indigenous commercial chickens at every 2 weeks

Treatments	Weeks
Treatments	0	2	4	6	8	10	12
G, Male	38.1	227.2	625.5	1,092	1,548^{^b}	2,166	2,563
G, Female	37.6	225.5	593.8	977.3	1,428^{^d}	1,965	2,358
V, Male	40.2	235.3	642.0	1,212	1,691^{^a}	2,298	2,726
V, Female	39.7	232.5	602.9	1,107	1,498^{^c}	2,106	2,480
S, Male	33.1	174.0	506.6	786.9	1,157^{^f}	1,514	1,805
S, Female	32.3	172.2	484.8	716.1	1,004^{^g}	1,303	1,574
W, Male	33.3	173.4	573.8	889.9	1,415^{^d}	1,725	2,036
W, Female	32.4	173.9	546.8	808.7	1,330^{^e}	1,572	1,871
SEM^¹	1.15	15.08	18.13	31.99	39.71	61.01	64.44
Breed
G	37.9^{^b}	226.3^{^b}	609.7^{^b}	1,034^{^b}	1,487	2,063^{^b}	2,462^{^b}
V	39.9^{^a}	233.9^{^a}	622.4^{^a}	1,159^{^a}	1,594	2,201^{^a}	2,605^{^a}
S	32.7^{^c}	173.1^{^c}	495.7^{^d}	752.3^{^d}	1,083	1,412^{^d}	1,693^{^d}
W	32.8^{^c}	173.7^{^c}	560.0^{^c}	848.9^{^c}	1,372	1,647^{^c}	1,952^{^c}
SEM^²	1.15	14.41	23.52	58.41	84.9	116.3	128.8
Gender
Male	36.2	202.5	587.5	995.7	1,449	1,918	2,280
Female	35.5	201.0	557.5	905.8	1,318	1,740	2,070
SEM^³	3.43	32.34	53.67	165.06	201.2	329.9	386.7
P-Value
Breed × Gender	NS	NS	NS	NS	<0.01	NS	NS
Breed	<0.001	<0.001	<0.001	<0.001	<0.001	<0.001	<0.001
Gender	<0.05	NS	<0.001	<0.001	<0.001	<0.001	<0.001

SEM, standard error of means (n=8).
SEM, standard error of means (n=16).
SEM, standard error of means (n=32).
Means in same rows with different superscripts are significantly different (P<0.01, P<0.05).