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Volume 58, issue 2
Arch. Anim. Breed., 58, 287–292, 2015
https://doi.org/10.5194/aab-58-287-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
Arch. Anim. Breed., 58, 287–292, 2015
https://doi.org/10.5194/aab-58-287-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

Original study 28 Jul 2015

Original study | 28 Jul 2015

Performance of electronic and visual ear tags in lambs under extensive conditions in Turkey

F. Karakus1, A. Ö. Demir1, S. Akkol1, A. Düzgün2, and M. Karakus2 F. Karakus et al.
  • 1Department of Animal Science, Faculty of Agriculture, University of Yüzüncü Yıl, Van, Turkey
  • 2Van Directorate of Provincial Food Agriculture and Livestock, 65100 Van, Turkey

Abstract. The objective of this study was to evaluate the effectiveness of electronic and visual ear tags in animal traceability, and to investigate the effect of placement site on ear-tag retention in Akkaraman lambs under rural conditions. A total of 380 lambs were identified with electronic and visual ear tags. Electronic and visual ear tags displayed 98.9 and 98.7 % readability at the end of 7 months, and 98.0 and 98.0 % readability at the end of the first year after tagging, respectively. Regarding the placement site, it was observed that there was more loss in ear tags placed on the mid-point part of the ear than the first-quarter part from the head side, but the difference was not statistically significant (P > 0.05). Breakages and electronic failures were not recorded during this study. In conclusion, electronic and visual ear tags demonstrated similar on-farm efficiency for the identification of Akkaraman lambs and fulfilled the minimum efficiency of 98 % required by the International Committee for Animal Recording (ICAR) for an official animal identification device at the end of the first year after tagging. Based on the findings of the study, placement of the ear tag in a cranial position and near the base of the ear would be advised.

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