It's been replaced by what's known as "in-fill" turf systems, which cover a football field with 50 million to 70 million 2.5-inch-tall blades of "grass" made from polyethylene, cushioned by a mixture of rubber pellets and silica that acts as the dirt.
He received round-the-clock care from vets and nurses who removed 13kg (2st) of hair, clipped his two-inch long claws and removed cysts and grass seeds from his paws and ears in a two-hour operation.