Table 1. The profiles (mean ± SD) of activity and mounting behavior during the peri-estrus period in Hanwoo cows submitted to estrus synchronization and monitored with sensing collars

Parameter1)	Day						p-value
	−3	−2	−1	0	1	2
Activity (m)
24-h periods	114.4 ± 155.5b	353.8 ± 173.3ab	608.2 ± 199.7a	684.9 ± 264.4a	597.6 ± 248.4a	536.0 ± 189.5a	< 0.001
6-h periods	28.6 ± 38.9b	88.5 ± 46.3ab	152.0 ± 53.4a	171.2 ± 70.7a	149.4 ± 66.4a	134.0 ± 50.7a	< 0.001
2-h periods	9.5 ± 13.0c	29.5 ± 15.4bc	50.7 ± 17.8a	57.1 ± 23.6a	49.8 ± 22.1a	44.7 ± 16.9ab	< 0.0001
Mounting (no.)
24-h periods	11.0 ± 17.7	35.8 ± 40.7	31.3 ± 25.6	47.9 ± 34.2	21.5 ± 19.5	36.8 ± 21.7	0.22
6-h periods	2.8 ± 4.4b	8.9 ± 10.2ab	7.8 ± 6.3ab	12.0 ± 8.6a	5.4 ± 4.9ab	9.2 ± 5.4ab	< 0.05
2-h periods	0.9 ± 1.5c	3.0 ± 3.4ab	2.6 ± 2.1ab	4.0 ± 2.9a	1.8 ± 1.6ab	3.1 ± 1.8ab	< 0.01

The measured data by the bio-telemetry device was calculated in three periods (24-, 6- and 2-h periods) to determine which period was most efficient at identifying estrus of Hanwoo cows.
Means within the same row with different superscripts are significantly different (p < 0.05).