The dog ( fouling of land ) act 1996
Is not the best and why agriculture land is highlighted as not coverd is beyond me.
If livestock and farm animals can catch certain serious bugs from the fouling which seems to be the generally acepted view, then if there was a problem you could approach the council to have your land covered by the act ( in theory ). I have only recentl got a dog and started to take it walks round the local countryside and I have to say I am appaulled at the mess other dog owners leave all over our land.
It's about time the act was changed and assuming it is causing the farming community a health issue I am suprised they have not got the law changed by now.