Sydney School of Veterinary Science

…Ward 2 1 Ausvet Pty Ltd., Bruce, ACT, Australia, 2 Faculty of Science, Sydney School of Veterinary Science, University of Sydney, Camden, NSW, Australia, 3 South East Local Land Services, Goulburn, NSW…

…Windsor, Sydney School of Veterinary Sciences, The University of treatment group had a more rapid return to eating with cessation of excessive saliva- Sydney, Camden, NSW, Australia. tion, and more rapid return…

…School of Life and Environmental Sciences, Faculty of Veterinary Science, University of Sydney, Sydney, NSW, Australia * dominique.mccarthy@sydney.edu.au a11111 Abstract The post-operative effects of three formulations of topical…

…50013 Zaragoza, Spain 5 Sydney School of Veterinary Science, The University of Sydney, Camden, NSW | 2570, Australia Contact: dlacasta@unizar.es Abstract: Tail docking is a painful husbandry practice performed routinely in…

…The antinociceptive effect, measured by mechanical threshold (MT), and the wound healing impacts of LBAC compared with saline were Correspondence Shaun Pratt, School of Veterinary Science, investigated on surgically created 20 × 20…

…White2‡* 1 Faculty of Science, School of Life and Environmental Science, The University of Sydney, Camperdown, NSW, Australia, 2 Faculty of Science, School of Veterinary Science, The University of Sydney, Camperdown, NSW…

PRODUCTION ANIMALS The effect of a topical anaesthetic formulation, systemic flunixin and carprofen, singly or in combination, on cortisol and behavioural responses of Merino lambs to mulesing DR PAULL, C LEE, IG COLDITZ, S$] ATKINSON and AD FISHER CSIRO Livestock Industries, FD McMaster Laboratory, Armidale NSW 2350 Andrew. Fisher@csiro,au } { ulesing is a surgical procedure in which two strips of Objective To determine the pain responses of lambs to mules- skin are cut from the hindquarters of Merino lambs in ing, and the effectiveness of potential analgesic treatments. order to remove wool-bearing wrinkled skin, increase Procedures Merino lambs (n = 64) were allocated at 5 weeks the perineal bare area and reduce the risk of breech strike of age to eight treatment groups: 1) sham mules; 2) conventional throughout life thereafter. The operation is usually performed mules; 3) topical anaesthetic, incorporating lignocaine, bupi- in conjunction with tail docking during the first 12 weeks after vicaine, adrenaline and cetrimide, applied immediately after mulesing; 4) flunixin + topical anaesthetic, with flunixin admini- birth, and is described in the relevant Australian Model Code stered 2.5 mg/kg s.c. 90 min before mulesing; 5) carprofen of Practice for che Welfare of Animals.’ Although, in the years + topical anaesthetic, with carprofen administered 4 mg/kg after its widespread adoption, mulesing was highlighted for its s.c. 90 min before mulesing; 6) carprofen, administered as animal welfare benefits in reducing flystrike,” the practice has above; 7) flunixin, administered as above; and 8) carprofen more recently been the focus of criticism by animal welfare and + flunixin, administered as above. Plasma cortisol was measured animal rights interest groups, at 0, 0.5,

…8, 50006 Zaragoza, Spain; kikevet39@gmail.com 4 Sydney School of Veterinary Science, The University of Sydney, Camden, NSW 2570, Australia; peter.windsor@sydney.edu.au * Correspondence: dlacasta@unizar.es; Tel.: +34…

PRODUCTION ANIMALS Effects of a topical anaesthetic formulation and systemic carprofen, given singly or in combination, on the cortisol and behavioural responses of Merino lambs to castration DR Pauli, C Lee, iG Colditz? and AD Fisher’* ( vee and tail docking of lambs are standard husbandry Objective To determine the effectiveness of a topical anaes- procedures in many sheep production systems. Castration thetic formulation (Tri-Solfen) with or without the administration permanently prevents the development of behavioural of a non-steroidal anti-inflammatory drug (carprofen) on the pain characteristics of male rams such as aggression towards other rams and distress response associated with ring or surgical castration of and unwanted matings, Tail docking significantly reduces the risk ram lambs, of flystrike.’ Counterbalancing the life-long outcomes of these Procedures Merino ram lambs (n = 78) were allocated to 10 husbandry practices is the associated short-term pain. Considerable treatment groups: 4 groups of knife-castrated lambs and 4 groups research has therefore examined the welfare consequences of vari- of ring-castrated lambs received carprofen (4 mg/kg SC) and ous castration and tail docking methods, and the effectiveness of Tri-Solfen; 2 control groups (sham) received carprofen at 0 or4 mg/kg analgesic strategies,” SC, Measurements included plasma cortisol and haptoglobi n Dinniss et al found that infiltrating local anaesthetic into the scrotal concentrations, haematology, and behaviour, including posture, neck was an effective method of reducing the cortisol response of Results Knife-castrated jambs had higher peak cortisol and lambs to ring castration.’ Similarly, injection of local anaesthetic into integrated cortisol responses for the first 6h

…Roberts1 | Peter A Windsor2 1 Clinical Resolutions, Hessle, UK 2 Sydney School of Veterinary Science, Painful animal husbandry procedures are routinely performed in a range of live- Sydney, Australia stock species without…