As sheep farmers in the region experience higher than normal losses, still births and deformities, the NFU says every effort must be made to ensure a vaccine is available later this year to help combat the spread of the deadly Schmallenberg virus.
The disease has spread across England and Wales to the Scottish border region, and has now been confirmed on more than 1,000 UK farms.
Although it is still being recognised by Defra and the European Commission as 'low impact' on a national scale, the cost for individual businesses can run into thousands of pounds.
It comes at the same time as lamb prices have hit their lowest level for three years and livestock producers are facing rising production costs due to the extreme weather in 2012.
More top news
A Cornish Royal Navy winchman, who risked his life to save five French fisherman, has been awarded the Queen’s Gallantry Medal.
Newquay could be home to Europe's first spaceport, paving the way for commercial space travel in the UK.
A Bowhead whale - almost never seen south of the Arctic - was spotted by a diver just off Par Beach on St Martin's island.