In three years time every dog will have to be microchipped by law. Many of you probably already get your pets chipped - but the government says soon everyone must - to make sure owners can be held accountable for their dogs behaviour.
But of course micro chipping can also help reunite lost animals, as Charlotte Wilkins reports.
More top news
The latest weather update for the east with Philippa
The latest weather update for the west with Philippa
Philippa has Saturday's weather for the east