Use the exact guide for the selected test and keep every animal physically separate.
Direct cheek-cell collection for many dog and cat tests.
Air-drying and paper-sleeve return for cheek swabs.
Professional untreated blood collection and shipping.
Professional anticoagulated blood handling.
Pull mane or tail hair; cut hair does not provide the same nuclear DNA.
Use freshly plucked feathers with intact shafts when the product accepts them.
Follow the requested anatomical site, timing and transport requirement.
Label before collection, use one container per animal and match the order reference exactly.