The use of passive transponders as a permanent identification system, after being placed in an adequate site into the animal, will result in a modern system of individual identification. This will difficult change or alteration of animal identity for fraud and it will ease computer data collection and processing. This will benefit the efficiency of farm management, performance and health control programs, the application control of the CAP subsides and, finally, the whole productive process. The transponders (chips) are a small electronic radio frequency emitter-transmitter device. They are activated by a radio signal (electromagnetic field) transmitted by a reader, and it reacts to this signal emitting a pre-programmed identification code. The transponders are now available for animal use, but few field research has been carried out to compare them and to evaluate the appropiate site of
|Effective start/end date||1/09/93 → 30/08/94|
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