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To reduce the pain associated with castration of ruminants
A Pulse NeedleFree System (NFS) was modified to make a prototype suitable for the injection of 5 ml of a local anaesthetic (lignocaine) into the spermatic cord and skin of the scrotal neck of calves. A pilot scale welfare assessment was conducted.
For Bos taurus animals (n = 36), the results clearly demonstrated that the modified Pulse NFS injector delivered effective local anaesthesia to calves undergoing band castration in less than thirty seconds following injection of the local anaesthetic. Efficacy of local anaesthesia in Bos indicus calves (n = 9) could not be determined due to atypical behavioural and physiological responses to castration.
The project provides proof of concept for delivery of local anaesthetic via the modified Pulse NFS for castration of Bos taurus calves and provides a rationale for development of a commercialisation plan. Investigation of the efficacy of the modified Pulse NFS for the delivery of local anaesthetic for dehorning and spaying in cattle and castration and tail docking in lambs is also warranted.
This page was last updated on 25/07/2017
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