Graph showing the distribution in the activity of calves after castration with a Burdizzo at a week of age.

Molony et al 1995; Robertson et al 1994

REQ - incidence of getting up and down, foot stamping, kicking and easing quarters (calves did not roll or jump)

TW - number of bouts of tail wagging

Note that the activity is only significantly above values in control calves for the first 12 minutes after treatment.