The results highlighted how important it is to reduce the risk of farmed fish escapes, to protect the integrity of wild salmon populations in areas of aquaculture production.This was the first report of the National Introgression Programme for Scotland (NIPS) which is a nationwide project that is researching the link between fish farm escapes and introgression in wild salmon populations.A larger number of sites were sampled in 2021 and 2023 as part of NEPS surveys (National Electrofishing Programme for Scotland).