Plot: The owner of the famous farm in the middle of the M62 fears his cows have TB - and if even a single animal is diagnosed, it could prove disastrous for the rest of the herd. Julian rushes to the Taylors' farm to treat a sheep that has prolapsed days after giving birth, an eight-week-old shih tzu puppy needs surgery for a hernia, and Peter and Matt work together to castrate a goat