The irony of the occasion was not lost on me last week when the publishing of a year-long investigation into meat factories and Covid-19 outbreaks I had been working on coincided with the loading our beloved stock bull Rambo into the trailer to take him to the factory.  He went like a lamb to slaughter, his old stiff limbs struggling to carry his one-tonne weight as he took one heavy trusting step after another up the steel ramp we closed quickly behind him.  Cattle prices are relatively good at the moment as the supply has tightened. Even an overage bull…