Changes in Ear Postures of Kid Goats in Response to Ear Tagging
Basrah Journal of Agricultural Sciences,
Volume 32, Issue 1, Pages 25-33
AbstractNo study yet is undertaken to measure pain caused by ear tagging in kid goats using ear postures. Therefore, the purpose of this study was to elucidate the effect of ear tagging procedure on pain in black Karadi kids using ear position and frequency of ear changes. Twenty black Karadi kids, aged 10-14 days, were used in this study. Ear postures were scored using focal sampling and recorded with instantaneous time sampling to measure the duration of each ear posture. Each kid was observed separately for 6 minutes before and 6 minutes after the ear tagging process with 30 seconds intervals. A total of 24 ear posture samples were recorded from each kid. Results revealed that Ear tagging significantly increased ears backward (P<0.01) and decreased ears plane (P<0.001). However, no significant effect of ear tagging was found on ears forward (P<0.19) and asymmetrical postures (P<0.43). In addition, number of ear posture changes was significantly (P<0.001) increased after ear tagging. It was concluded that observing ear postures of kids directly after painful husbandry procedures such as ear tagging is a reliable non-invasive method to assess pain caused by these painful methods and hence helps better understands animal welfare.
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