Around 2.5% of all swabs submitted to us don’t have enough DNA on them for us to run any genetic tests. This results in us requesting another swab, or if two swabs were initially sent and both were poor, we will request a blood sample. We realise this is frustrating for owners and breeders, causing delays in receiving results and sometimes additional expense if a trip to the vet is required to verify identity or take a blood sample. This low-level DNA can be due to poor swabbing technique or because the DNA has degraded (typically due to prolonged storage or transportation).
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