Cattle on paths
.. farmers are running businesses and need to have done risk assessments—this is key—and to take sensible measures such siting feeders and drinkers away from stiles where possible, considering electric fencing and providing good signage.....
See more at: http://www.ramblers.org.uk/policy/england/rights-of-way/rights-of-way-and-cattle.aspx
So what do you do when cattle are obstructing the path? Find another way, by going around the cattle. If cattle are blocking a path through a field, you’re well within your rights to find a safe way, away from the path to avoid them. You should then re-join the footpath as soon as possible – and when you consider it safe to do so.
See more at: http://www.ramblers.org.uk/advice/safety/walking-near-livestock.aspx