Table 2.

Mean ± standard error (s_χ̄) number of ear flicks, head shakes, and head rubs per calf during 40 min of observation at 0 to 2, 3 to 5, and 6 to 8 h after dehorning in control and in ketoprofen-treated calves

		Treatmenta
Behavior	Time (h) after dehorning	Control	Ketoprofen
Ear flicks	0 to 2	3.0, sχ̄ = 0.9	2.4, sχ̄ = 0.7
	3 to 5	1.8, sχ̄ = 0.3	1.5, sχ̄ = 0.4
	6 to 8	1.1, sχ̄ = 0.4	1.7, sχ̄ = 0.4
Head shakes	0 to 2	1.5, sχ̄ = 0.4	1.2, sχ̄ = 0.4
	3 to 5	2.1, sχ̄ = 0.6	1.9, sχ̄ = 0.4
	6 to 8	2.1, sχ̄ = 0.6	2.0, sχ̄ = 0.5
Head rubs	0 to 2	0.8, sχ̄ = 0.3	0.3, sχ̄ = 0.2
	3 to 5	1.0, sχ̄ = 0.3	1.2, sχ̄ = 0.3
	6 to 8	1.8, sχ̄ = 0.4	1.1, sχ̄ = 0.4

^aNo significant differences (P < 0.10) noted between treatments