Complex sentence: In late 2013 Mitchell's hopping mice can be kept as pets without a licence in Victoria (Australia), however commercial breeding still requires a licence to prevent removal of mice form the wild.
Split into simpler sentences: In late 2013 Mitchell's hopping mice came off liscence in Austrlia, allowing them to be kept as pets with no licence required. Commercial breeding still requires a licence to prevent removal of mice form the wild.