If the whole world went vegan, what would we do with all the farm animals?

The long-running series in which readers answer other readers' questions on subjects ranging from trivial flights of fancy to profound scientific and philosophical conceptsIf the whole world went vegan, what would we do with all the farm animals? Grant McNish, CumbernauldPost your answers (and new questions) below or send them to nq@theguardian.com. A selection will be published next Sunday. Continue reading...