Efficacy of precisely injected single local bolus of lignocaine for alleviation of behavioural responses to pain during tail docking and castration of lambs with rubber rings
Alison Holdhus Small, Ellen Caroline Jongman, Dominic Niemeyer, Caroline Lee, Ian G Colditz
Research in Veterinary Science | ELSEVIER SCI LTD | Published : 2020
Delivery of local anaesthetic at the time of castration and tail docking (marking) could improve welfare outcomes in lambs. This study examined pain responses in lambs marked using rubber rings, with or without local anaesthetic precision injected using the Numnuts® instrument. On each of two commercial farms, 150 prime lambs aged 4 to 10 weeks, balanced for sex, were randomly allocated to 3 treatments: handled in a lambing cradle (Sham), handled and marked with rubber rings (Ring) or handled and marked with rubber rings and treated with 30 mg lignocaine using the Numnuts® instrument (NNLA). Time to mother up (one trial site only), acute pain related behaviours at 5, 20, 35 and 50 min, and p..View full abstract
Awarded by Meat & Livestock Australia
This project was funded by Meat & Livestock Australia, project number B.AWW.0256.