SI1-perform tail docking on young lambs
SI2 - Rubber rings for the castration and tail docking of lambs
SI3-caudectomy with rubber isn't painful
SI1-SI2-SI3-expert opinion
SI2- scientific opinion
SI1-SI2-SI3 -treatment of pain - opinion of scientist
SI2 - compromise between welfare and production - opinion of scientist
SI2 - health or welfare? - opinion of scientist
SI2 - relativisation of suffering - opinion of scientist
SI2 - the paradoxe of productivity - opinion of scientist
SI2 - interpretating the pain - opinion of scientist
