Around 20 farmers and 10 vets from across Cumbria have turned out to hear about the new testing rules regarding Bovine TB.
The meeting, organised by the Animal Health and Veterinary Laboratories Agency and the NFU is being held at Penrith Rugby Club.
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Trail hunting, where a scent is laid for hounds and the hunt to follow, has been widely practised since the 2005 ban on fox hunting.
Dangerous chemicals stored in a laboratory at the nuclear reprocessing plant have now been detonated by an army bomb disposal team.
Explosives experts were called to the nuclear reprocessing site in Cumbria, to help deal with chemical substances.