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The identification of equids, and of donkeys in particular, is a hot topic of ... 65 donkeys registered in the

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Dipartimento di Scienze Animali, Vegetali e dell’Ambiente

dell’Università del Molise

10° Convegno

Nuove acquisizioni in materia di Ippologia

New findings in equine practice

Druento (Torino)

31 ottobre/1 Novembre 2008

Electronic identification of the donkey: a field experience by means of two types of transponders and three application techniques

Walter Pinna, Giuseppa Nieddu, Maurizio Picciau, Giuseppe Garau, Emanuela Pira

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Introduction (1/6)

  • The identification of equids, and of donkeys in particular, is a hot topic of the last times, due to 2 main reasons:

  • 1) within the E. U.:

  • “ is (is going to) operative since the 27° of June, and will be mandatory within all the Countries Members since the 1° of July 2009, the Regulation (CE) n. 504/2008, 6 June 2008, dealing with directive 90/ 426/ CEE and 90/427/CEE of the Counsil about the identification methods in Equids, involving the identification of all equids born or imported in the Europea Comunity;

  • The identification system of equids in agreement with the new Regulation deals with the identification document (passport) unique and valid for all the life of the animal; the passpost is linked to the animal by a microchip, whose code, unique in the whole world (UELN: Universal Equine Life Number ),is recorded in BDE.

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Introduction (2/4)

  • 2) within the Autonomous Region of Sardinia:

  • with approval of European Commission by Decision C (2007) 5949 of 28° of November 2007 and successive changes and integration it was issued a Program for the Rural Development (PSR), dealing with the financial supply of 7.000.000,00 € for the recovery and conservation of the biodiversity of some breeds under the menace of abandon;

  • within the above mentioned PSR Sarda breed donkey are involved;

  • Farmers who apply to the plan must meet the requirments for a 5 years period since the day after the deadline of the call, in the first moment identified with the 15° of May 2008, and then shifted to the 30° of June 2008.

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Aim of the trial

Evaluate different electronic identifiers (transponder) and alternative techniques of individual identification of donkeys in comparison to the common technique in use at present

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Materials and methods (1/7)

  • 65 donkeys registered in the “Anagraphical Register of Sarda breed donkey” were elettronically identified by:

  • Farm A: 55 heads (24 transponder Animal Coder and 31 Tiris)

  • Farm B: 10 heads (4 transponder Animal Coder; 6 Tiris)

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Materials and methods (2/7)

RFID Handy reader

for Animal Coder


Commercial size of Animal Coder transponders

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Materials and methods (3/7)

Technical features of


RFID Readers

Fixed reader

Handy reader

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Materials and methods (4/7)

  • EIC Readability: R (%) = Read transponders . 100

  • Identified donkeys at reading

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Materials and methods (5/7)

Transponder’s application

(Retroauricolar, intramuscular and intraperitoneal site)

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Materials and methods (6/7)

xRay examen of

transponder’s position

(in the retroauricolar and intramuscular site)

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Materials and methods (7/7)

Table n. 1 – Summary of the transponders type, site of injection and technique of application deployed in the trial

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Results 1/6

Post-injection: T= 11d

Post-injection: T= 0

Injection: T= 0

Recovery of the wound in the point of injection

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Results 2/6

EIC Static reading of Transponder by Animal Coder reader

EIC Static reading of Transponder by Gesimpex reader

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Results 3/6

Table n. 1– Static Readability of EIC of the transponder in the donkey

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Results 4/6

Dynamicreadingwith a fixed antenna in a corridorto the ranged area

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Results 5/6

Table n. 2– Dynamic readability of EIC of the transponder in the donkey

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Results 6/6 (xRay check)

Fix position of transponder in the retrauricolar site of injection

Variable position of transponder in the intramuscular site of injection

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  • The application of the transponder in the retroauricolar region, as described in order to meet the needs of anagraphical controls in Sarda breed donkeys, resulted in a very easy to use method under usual farm conditions of Sardinia;

  • Tiris transpondershowed in farm condition a higher practical efficacy of the electronic identification system in the donkey thanks to the dynamic readability of the electronic code;

  • The localization of the injectable transponders in the retroauricolar region, shows to be more suitable in comparison to the intraperitoneal and in the middle (?) 3° of the neck injection, not only for individual identification but also according to the needs of recovery of the transponder in the slaugthehouse of animal elettronically identified.