Lister's steam spray. This supplanted his 'Donkey Engine' spray, and could fill a room with steam and carbolic vapour. From Richman Goodlee 'Lord Lister', 1917 Stock Photo - Alamy
You've made an ass of me! Pranksters break into animal rescue centre and spray-paint donkey as
Donkey milk spray in Morocco Hoojan
Natural Donkey care | Donkey care, Homemade fly spray, Fly spray