Table 6. Effects of increased CP intake during pregnancy period on the growth performance of male offspring in Hanwoo

Item	CON-O (n = 22)	TRT-O (n = 17)	p-value
Growing (3–13 months of age)
Initial BW (kg)	96.32 ± 24.65	110.71 ± 23.79	0.072
Final BW (kg)	347.96 ± 50.56b	376.60 ± 33.65a	0.047
Average daily gain (kg)	0.80 ± 0.09	0.84 ± 0.12	0.228
Dry matter intake (kg·d−1)	6.64 ± 0.00	6.64 ± 0.00	-
Concentrate	3.40 ± 0.00	3.40 ± 0.00	-
Timothy	3.24 ± 0.00	3.24 ± 0.00	-
Feed conversion ratio	8.45 ± 1.02	8.04 ± 1.10	0.246
Fattening (14–30 months of age)
Initial BW (kg)	347.96 ± 50.56	376.60 ± 33.65	0.047
Final BW (kg)	732.10 ± 84.77b	823.20 ± 91.29a	0.003
Average daily gain (kg)	0.75 ± 0.21	0.88 ± 0.22	0.083
Dry matter intake (kg·d−1)	9.04 ± 0.02	9.05 ± 0.02	-
Concentrate	7.56 ± 0.02	7.57 ± 0.02	-
Rice straw	1.48 ± 0.00	1.48 ± 0.00	-
Feed conversion ratio	13.27 ± 5.60	11.10 ± 3.43	0.145
Total (3–30 months of age)
Initial BW (kg)	96.32 ± 24.65	110.71 ± 23.79	0.072
Final BW (kg)	732.10 ± 84.77b	823.20 ± 91.29a	0.003
Average daily gain (kg)	0.77 ± 0.10b	0.86 ± 0.12a	0.019
Dry matter intake (kg·d−1)	8.09 ± 0.01	8.10 ± 0.01	-
Concentrate	5.92 ± 0.01	5.93 ± 0.01	-
Rice straw	2.17 ± 0.00	2.17 ± 0.00	-
Feed conversion ratio	10.71 ± 1.55a	9.59 ± 1.46b	0.026

Means with difference superscripts in the same row are significantly different (p < 0.05).
CP, crude protein; CON-O, control male offspring; TRT-O, treatment male offspring; BW, body weight.