Greg F. Then there's foxes ripped apart by dogs...... but tht's OK ain't it Iains? Yup. tht's perfectly ok

I do not have a problem with foxes torn apart by dogs, they are not part of my food chain, although there are probably more efficient ways of culling, as has already been stated.
Why the fixation on engineering? You must think it adds a certain je ne sais quoi to a post.