The ultra fine wool industry locks sheep inside sheds for up to 5 years. Like any intensive animal industry, the behavioural and social needs of the sheep, intrinsic factors which provide quality of life, are completely ignored. It's estimated that roughly 5,000 sheep are still confined to sheds, living in group pens around Australia. These sheep may never set foot outside, feel sunlight on their back, or graze on grass. Confined indoors they may not have adequate room to properly exercise or express their natural behaviours.
Fortunately, the last 'single-penned' sheep farm in Australia has now closed down. While this is a major victory, sheep are not safe from factory farming yet, as there are currently no laws to prevent another single-penned sheep farm from starting up in Australia.