/b/veterinary-news/posts/new-phage-test-gives-early-detection-of-johne-s-disease-in-newborn-calves PBD Biotech has announced that a new trial has shown that Johne’s disease can now be detected reliably in the blood of day-old calves for the first time using a new Actiphage diagnostic system. The trial, which was conducted by a UK-French team ofen-USTelligent Community 10