The influence of the site of application on the behavioural responses of lambs to tail docking by rubber ring.
Graham MJ, Kent JE, Molony V, Vet J, 2002 Nov - link

The effect of different bloodless castrators and different tail docking methods on the responses of lambs to the combined Burdizzo rubber ring method of castration.
Kent JE, Molony V, Graham MJ, Vet J, 2001 Nov - link

Comparison of methods for the reduction of acute pain produced by rubber ring castration or tail docking of week-old lambs.
Kent JE, Molony V, Graham MJ, Vet J, 1998 Jan - link

Effects of four analgesic treatments on the behavioural and cortisol responses of 3-week-old lambs to tail docking.
Graham MJ, Kent JE, Molony V, Vet J, 1997 Jan - link