Table 1. The monthly average of Hanwoo calf’s birth weight in 2016–2019 period

Month	Male		Female
Month	Numbers of calf	Mean of birth weight (kg ± SD)	Numbers of calf	Mean of birth weight (kg ± SD)
1	85	29.48 ± 4.19^d	80	27.80 ± 4.57^bc
2	3,524	30.65 ± 4.36^b	3,778	28.27 ± 3.88^abc
3	4,572	30.84 ± 4.46^a	4,515	28.50 ± 3.84^a
4	2,488	30.63 ± 4.36^ab	2,120	28.19 ± 3.78^abc
5	640	29.94 ± 4.12^bc	548	27.72 ± 3.61^bc
6	284	29.48 ± 4.09^cd	243	27.89 ± 3.44^abc
7	180	29.11 ± 4.48^d	178	27.59 ± 4.08^c
8	4,662	30.09 ± 4.03^bc	4,576	27.71 ± 3.69^bc
9	2,821	30.56 ± 4.42^ab	2,466	28.34 ± 3.82^ab
10	1,272	30.23 ± 4.17^ab	1,124	28.13 ± 3.70^abc
11	269	30.59 ± 4.50^ab	251	28.31 ± 4.06^ab
12	181	30.57 ± 4.05^ab	137	27.93 ± 4.20^abc