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FAQ General

I am travelling abroad; do your microchips comply with the ISO standards?

Yes, they comply with ISO Standard 11784/5 which is Europe. The 15 digit chip protocol is FDX-B.

We are taking our pet to the USA - are the petDetect chips accepted there?

Our microchips comply to the European ISO Standard 11784/5, however in the USA they use a different chip protocol - therefore their routine scanners may not be able to read the ISO FDX-B chip (so consider buyiong your own). There is no microchip requirement to import a pet into the U.S. For details on U.S. requirements for importing pets, please see here:

Can we use your microchips for the Pet Passport Scheme?

Yes, they are perfect for the Pet Passport. They can also be read by all ISO scanners.

Yikes! Our pet's microchip can't be read - do you have a scanner that can read all chip brands?

Yes! You can either buy or hire the scanner. Call us to discuss.

Why are your chips known as Micro-transponders?

Because they are under 12mm in length. We have two, a tiny 8mm microchip and the 'regular' 12mm microchip. When it comes to microchips, it is generally accepted that small is best.

What is actually on the microchip?

The standard ISO chip is 15 digits long. The first three numbers denote the manufacture – we are 956. There are then a series of noughts and then 6, 7 or 8 digits. The chips are ‘read only’ so cannot be re-programmed. For techies, the protocol is FDX-B.

Can anyone buy your microchips?

If you have been ‘appropriately trained - as per the statement of the RCVS’ and have an Implanter Code or are a veterinary surgeon, you can purchase our microchips. Many people change over to us - they often cite a real difference in needle sharpness and also report that the implant gun is easier to use. We like to think we offer better value for money too - including our Chip Fairy replacements and our 'back-office' service that is second to none.

If you do not have an Implanter Code you are not allowed to purchase microchips or Starter Packs. This is part of the UK Code of Practice within the industry.

What happens if I misfire a chip?

The first thing to know is that we have a resident Chip Fairy (see below). We understand how frustrating misfires can be, and they do happen to all of us from time to time. Do give us a call and we can have a chat about remedying this.

What is the Chip Fairy?

This the old pet-detect cutesy name for the chip replacement service. The Chip Fairy has been around a long time and is rather long in the tooth and needs an overhaul.
The microchipping system has matured and back office is more complex in terms of tracking. Basically if you have misfires with chips purchased in the previous 6 month period, then save the chips and return them safely to us and we will replace them. Because the service has been 'abused' by repeat offenders - we have had to impose a limit of 5 chips a year.
We can only replace chips which reach us in one piece, we have a use for them in non-sterile applications.
In addition we will however have to charge a £5.00 fee for admin, postage & packing as this has become expensive.
We have taken the view based on previous experience that if the chips are older than 6 months then implanter error due to not doing enough chipping is likely the cause and we simply suggest that retraining should be considered.

That said, if we are afraid that you are misfiring more than your chips, there is likely to be something wrong with your technique or with your implanter gun. With some Implanters we see them wrapping fingers around the 'trigger' as they push, if they encounter thick skin or resistance or movement then this often results in them squeezing the trigger and misfiring. If this is happening, then we recommend switching to the syringe type implanter - most vets prefer these.

We have also had a number of cases where Implanters were using the wrong gun, either another manufactrurers gun or a regular gun for mini chips or vice versa. Please look at the photos on our 'What happens if I use the wroing implanter gun' page in Support.

If the service is abused we reserve the right to stop the service.

Do you use the Petlog database?

Yes! We only recommend the Petlog database. Petlog is based in the UK and operates 365 days per year, is the largest in the UK and operated by The Kennel Club, pets are registered for life and their 24/7 telephone number is 01296 336 579. They are a 'not for profit' organisation. They also defer some of the fees they receive to maintain the database for years to come. Why even consider the others?

If you wish to check which database your pet's microchip resides on, you can do so free of charge at or

If you use IdentiChip, Avid or Pet Protect you are NOT registered with Petlog. Petlog is based in Aylesbury, UK. If you want to have your pet registered with Petlog simply call them on: 01296 336 579. They will do their best to help you. For more information see below - Databases.

Are your microchips guaranteed?

Yes, of course. In fact, all of our equipment is guaranteed against manufacturing faults. Most of what we sell is made in the UK or in Europe.

Can I return microchips to you?

In the past chips were accepted back, but we regret that with new concerns, high quality auditing, and because the chips are considered a sterile medical-product, once they have left us they cannot be certified as sterile so we regret that we cannot accept them back (nobody would want a dirty one!).

What is the minimum number of chips I can buy?

Chips are sold in boxes of 10. We don't force you into contracts - just order whatever quantity you want. Remember you get a significant saving when you register the animals onto the Petlog database yourself - it's called 'online registration'. You need an Implanter Code to purchase microchips and an Authorisation Code to register the pets, once chipped, onto the Petlog database - it's easy so don't be put off.

Can I buy just one chip?

We can supply one of the American encrypted chips which also fit the implant gun - but not one of the European 15 digit chips as it is simply not viable for us to supply single chips. You will need to contact us by phone to arrange this, give us plenty of notice since we don't keep them in stock.

We are a Rescue organisation – are there any discounts for us?

Yes! We have kept all prices as low as possible. There are certain inescapable costs such as the time taken entering data into the petlog system, and as such small numbers of chips simply cant realistically be discounted. But because of economies of scale rescues use more chips so the more that you buy, the cheaper they are. This also applies to any other client ordering bulk numbers of chips.

How do I transfer the pet details into my name?

You will need the microchip number which should be easy to get if you take the pet into any vet surgery and ask the receptionist to scan it for you. You need this number before you contact Petlog (01296 336 579) to arrange for the database amendment. You may be asked for a copy of the original Petlog certificate or details of the previous owner. Petlog do charge for amending the database, however this is a one off payment for the life of your pet and you will receive lots of additional benefits over and above your basic microchip registration.

I have moved address and I am an Implanter of chips - who do I need to inform?

We need to be contacted on 01962 813 554 to ensure we keep your delivery address and contact details up to date when placing orders. You also need to let Petlog know by calling them on 01296 336 579.

Are there any reactions or side effects to micochipping pets?

The possibility of any reaction or side effect from an implanted microchip is infinitesmally small. We are not saying 'nil' or 'never ever' but the chances are very remote. There are 100's of millions of animals chipped worldwide including endangered species. So, let's be sensible when the 'anti-chipping brigade' roll out their scare-mongering. If in doubt contact the Royal Society of Veterinary Surgeons (RCVS) or the BVA, or The Dogs Trust - ask them for the data. When chipping becomes compulsory for dogs in 2016, owners will need to comply regardless of their views.

Ask your vet to scan your pet at least once a year - it's a good idea to check the chip regularly if your pet has a Travel Passport.

Can I find information about an Implanter?

No. These details are protected by the Data Protection Act. If you wish to discuss this please call Petlog on 01296 336 579.

What happens if my dogs chipnstops working?

The Trovan chips are incredibly reliable, a fault is extremely unlikely. First check with the implanter - it may be that the vets scanner is faulty, not charged, or their scanning technique is poor.

The implanter can check for a chip using the correct scanner and if they can’t find a chip then they can put another in.

The likeliest cause is a chipping error, such as the needle not being deep enough and the chip falling out or being injected even before the needle penetrates the skin.

The only way of making sure that a chip is in the dog but not reading is to x-ray the dog which requires an anaesthetic. This is obviously a gross over-reaction in most cases; we'd recommend you contact us on 01962 813 554 in the first instance so we can advise you accordingly.