Sheep industry rallies to solve > black loss puzzle

摘要

The perennial and unaccountable disappearance of lambs and sheep from Scottish hillsides, known locally as "black loss", is age-old and has now almost reached "mythical" status.Despite new technology and medicines to aid shepherds, hundreds of lambs still mysteriously vanish from hillsides every year. Blade losses of 20% are frequently calculated and 50% are not uncom-mon.