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Evaluation of electronic identification transponders implanted in the rumen of cattle

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Hasker, P.J.S. and Bassingthwaite, J. (1996) Evaluation of electronic identification transponders implanted in the rumen of cattle. Australian Journal of Experimental Agriculture, 36 (1). pp. 19-22. ISSN 0816-1089

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Article Link: https://doi.org/10.1071/EA9960019

Abstract

The performance of electronic identification transponders encased in ceramic capsules inserted into the reticula-rumen was assessed in 3 groups of cattle: 1059 two-year-old feedlot steers, 11 penned calves and 46 grazing calves. Insertion of capsules presented little difficulty and at slaughter, examination of the reticulorumen showed no visible signs of damage to the reticula-endothelium due to the capsules. The retention rate of the capsules was 100% in adults when slaughtered 55-107 days after capsules were inserted. All losses of capsules from calves occurred before calves were 21 weeks of age. Transponders were successfully read both in the live animal and in the body on the slaughter chain. All transponders in the reticulorumen of grazing calves were functioning normally up to 46 weeks after being implanted. At slaughter, capsules were recovered easily with no risk of contaminating meat or by-products. Small steel metallic objects near the capsule appeared not to affect the reading distance of the transponder.

Item Type:Article
Subjects:Technology > Technology (General)
Animal culture > Cattle > Meat production
Live Archive:05 Apr 2024 02:01
Last Modified:05 Apr 2024 02:01

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