The Perendale originated in New Zealand from crossing the Border Cheviot with the Romney breed. They are an open-faced, medium-framed breed that produces bright, lofty, long-stapled, medium-wool fleeces. Developed as an easy-care sheep, they are both hardy and highly adapted to marginal forage-producing areas.
It depends how badly the eardrum is ruptured. Mine ruptured a couple of years ago from a bad ear infection, and it took me at least 3 weeks to get the ringing out of my ear. Depends a bit of how good you protect the ear from pressure changes; usually between 2 - 4 weeks. If you really do have an ear problem, do NOT mess 'round.
The childâs pediatrician will detect the hole or defect in the drum. The first order of treatment is to dry the ear. Antibiotics, decongestants and ear drops are also prescribed. Within several weeks, most perforations following a recent infection heal spontaneously. An adult with a perforation will generally notice a hearing loss in the ear.