Heidi the Goldendoodle has had just about enough. She has a lot of hair deep in her ears, which first has to be twirled around the tweezers and then plucked out in tufts. The young dog from south-western Germany also has a bad smell coming from her ear. It’s possibly an inflammation, says vet Francisco Landines. He tells the owner of the now very indignant Goldendoodle to come back next week. But Heidi is not sitting in a normal veterinary’s office. Landines operates a mobile practice from a former ambulance converted into a treatment room. The 39-year-old vet has been operating the van-turned…