I`me all for microchipping, though i do think it has it`s failings..
I.E. i think all animals should be routinely scanned on any visit to a vets, and details checked against the details given,
perhaps it should even be compulsory when purchasing an animal & to change the details if you sell the animal on..
One example i could give is, someone i knew had a 12 year old cat, this cat had come to her as a stray, i.e. the cat adopted her as they tend to do,
this cat had had various health problems over the years, yet it was only recently that it was scanned and a microchip was found, e