Scottish Natural Heritage have released a statement to ITV Border describing the risk of crayfish transfer to silage bales as "very small."
"It is the first time that we have come across reports of signal crayfish being transported in silage bales.
"Although it's feasible that crayfish might get caught up in the bales the risks of transfer of live crayfish between river catchments is very small."
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Mainly dry and bright Sunday, some sunshine but cold
Frosty, icy start on Sunday with fog patches lingering in places. Away from the fog, some good wintry sunshine