More than half I think. And of the 2.5 million animals that went through animal hospitals in WW1, apparently 2 million were returned to service. The quicker you can get that system running the better, I would think. More vets in service to start or brought into service quickly would presumably help avoid the initial losses during the war of maneuver and race to the sea. I don’t know if that would make any difference in the strategic situation at that point. Anyone know if lack of transport or pack animals kept the British from anything important?By 1918 half the vets in the UK were serving