All Creatures Great and Small Season 7 Episode 4 A Friend For Life

Tragedy strikes Bill Shadwell when his herd of dairy shorthorns contracts Johne's disease. As Shadwell nears retirement, his son wants to move into more profitable Friesian dairy cattle. Mr. Grimsdale's bull has a serious problem and Siegfried is convinced it has swallowed a dangerous metal object. But tightfisted Grimsdale doesn't think an operation is needed.