A loose Berkshire is a large, strong, often wary animal, and the identification that helps is the kind a stranger can use from a safe distance or during a brief, calm restraint. Paperwork in a kitchen drawer does nothing in a neighbour's field. Build the Berkshire's identification in layers: something visible on the pig, something permanent discussed with your veterinarian, and clear records that prove the animal in front of someone is yours.
Start With a Tag Someone Can Actually Read
A sturdy ear tag is the practical first layer for a pig, and it should carry your phone number in large, high-contrast characters, plus the pig's name or the herd number you use at home. A tag printed only with a long herd code helps a rescue trace records eventually, but a number a finder can call on the spot shortens the whole episode. Check the tag as part of routine handling, because pigs rub on posts, gates, and each other, and a tag that is cracked, faded, or tearing through the ear will fail exactly when it is needed. Replace a worn tag promptly and update the number the moment your contact details change, not at some later tidy-up.
Photograph the Markings That Make This Pig Yours
Berkshires share a breed pattern, black with white on the face, legs, and tail, but the shape and extent of that white differs from pig to pig. Take clear photographs of both sides, the face from the front, and the tail and feet, in plain daylight without mud caking the coat where you can manage it. Those images let you confirm a found pig quickly, help a finder confirm they have the right animal before attempting to move it, and support your claim if two similar pigs are kept locally. Retake them as a young pig grows, since proportions and markings read differently on a mature animal.
Add a Permanent Layer and Keep the Records Together
Talk to your veterinarian about what permanent identification is appropriate for a Berkshire in your herd setup, and record whatever you already use, such as an ear notch pattern or an existing herd tattoo, in the same place as the tag number. Write down distinguishing details a photo may miss: a scar, an ear nick, a crooked tail, or a patch of white that wraps farther on one leg. Keep purchase or breeding paperwork with those notes rather than scattered across messages and folders, so that if a council officer, rescue, or neighbour asks you to prove ownership, you can answer in minutes.
Make Sure a Finder Knows What to Do
A loose pig should be approached by people who understand pigs, so the tag's job is to connect the finder to you, not to invite handling. Tell nearby landholders and your regular feed or haulage contacts that the Berkshire exists and which number to call, and keep your phone reachable during the hours pigs are moved or fed, when escapes most often happen around open gates. If the pig travels to a show, sale, or another property, confirm the tag is legible before loading, not after an incident on unfamiliar ground.
Keeping those layers in one place is what turns a stressful phone call into a quick match, and KinsLe's Pet Pass does that holding for you: it is the Berkshire's verified ID card, keeping identity details and your contact information together and easy to show to whoever has found the pig.