Some of the most pampered, best-groomed dogs in the world take part in Crufts, Britain’s famous dog show. But even these pedigree pooches are susceptible to one of the nastiest and most widespread diseases a dog can get – lungworm.

This year Britain’s Got Talent judge Alesha Dixon and Strictly Come Dancing presenter Tess Daly are at the show to raise awareness of this easily-treated doggy discomfort, which if left unchecked can prove fatal.