Table 1.

Number of R–R segments used per goat and day during the introduction experiment during the reference period (day -3) and introduction period (days 0, 2, and 4).

		Reference period	Introduction period
Goat	Presence of horns	Day -3	Day 0	Day 2	Day 4
Aa	Horned	7	12	12	16
Ba	Horned	–	7	6	12
Ca	Horned	–	6	–	–
Da	Horned	6	7	16	15
E	Horned	5	10	8	17
F	Horned	4	–	–	1
G	Horned	10	–	2	12
H	Horned	2	9	9	9
I	Hornless	3	12	15	15
J	Hornless	–	–	–	–
K	Hornless	12	9	12	1
L	Hornless	7	8	3	6
M	Hornless	10	8	9	14
N	Hornless	–	13	10	10
O	Hornless	10	9	10	3
P	Hornless	7	2	–	2

^aGoats that were measured both during the separation and the introduction experiment.