Can peripheral nerve damage caused by tail docking lead to tail pain later in the life of pigs? - INRAE - Institut national de recherche pour l’agriculture, l’alimentation et l’environnement Access content directly
Conference Papers Year : 2014

Can peripheral nerve damage caused by tail docking lead to tail pain later in the life of pigs?

Abstract

Tail docking in the irst days of life is a common practice in the production of pigs. Tail docking is done to prevent tail biting and leads to behavioural changes indicative of pain and to later development of neuromas in the docked tail tips (Herskin et al., submitted). However, it is not known whether the early peripheral nerve damage can lead to pain later in the life of pigs. Data from adult rodents and humans suggest that neuromas may lead to spontaneous nerve activity and decreased nociceptive thresholds. Such abnormal nervous activity may play a signiicant role in the development and persistence of chronic pain conditions in humans. One important aspect for the possible development of pain in docked pig tails is the piglet age at the time docking. Increasing evidence suggest that experience of pain in juvenile mammals may afect their later pain processing. So far, the majority of reports have focused on short term efects of early pain experiences and suggested that, in newborns, such experience have only limited or no efect on the occurrence of later neuropathic pain. Recently, investigations in rodents have used models of neuropathic pain (e.g. spared nerve injury (SNI)), and shown that early peripheral nerve damage may lead to lower nociceptive thresholds later in life. In case of pigs, this might be seen as modiied social behaviour due to the pain sensations, and might induce a general fear of humans due to the handling during docking. However, in rodents these changes have not been shown until adolescence. Due to the considerable diference in maturity at birth between rat pups, human babies (both altricial) and piglets (precocial), it is not possible to perform a direct age comparison across these species. In conclusion, tail docked pigs might experience nociceptive changes in the weeks or months ater the nerve damage induced by tail docking, but more research is needed in order to clarify this. Current work within a joint European ANIWHA research project (http://farewelldock.eu/) aims to address this issue.
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Dates and versions

hal-02744345 , version 1 (03-06-2020)

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Mette S Herskin, Pierpaolo Di Giaminiani, Dale Sandercock, Armelle Prunier, Céline Tallet, et al.. Can peripheral nerve damage caused by tail docking lead to tail pain later in the life of pigs?. 48. Congress of the International Society for Applied Ethology (ISAE), Jul 2014, Vitoria-Gasteiz, Spain. ⟨10.3920/978-90-8686-797-4⟩. ⟨hal-02744345⟩
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