Officials have had a tough job locating infected animals and finding out which farms they came from.
Jack Loader is covering the story.
This story was broadcast as part of METRONEWS on Facebook Live.
With the dairy industry in crisis due to the M.Bovis outbreak, farmers are now saying stock tracking systems need to be improved.
Officials have had a tough job locating infected animals and finding out which farms they came from.
Jack Loader is covering the story.
This story was broadcast as part of METRONEWS on Facebook Live.