As another dairy processor announces a further rise in the price it pays farmers for their milk, we find out if dairy farmers are now able to make money for their produce, and how long these high prices might last. All this week we've been looking at TB in cattle and the efforts to control it. Today we hear about the development of a vaccine for cattle against bovine tuberculosis are going, and hear why even once the vaccine is available to farmers, it may not be the silver bullet the industry has been hoping for. Plus the Welsh sheep farmer and fashion designer trying to revitalise Wales' milling industry. Presented by Charlotte Smith Produced in Bristol by Natalie Donovan