Multisite randomised controlled trial to evaluate polypropylene clips applied to the breech of lambs as an alternative to mulesing. II: multivariate analysis of relationships between clip treatment and operator,sheep, farm and environmental factors
1. SBScibus, , Camden, New South Wales, 2570 Australia;2. Australian Wool Innovation, , Sydney, New South Wales, Australia;3. Epicentre, Massey University, , Palmerston North, New Zealand