http://www.digitaljournal.com/article/43462

Australian scientists set up world's first koala sperm bank

Posted Oct 30, 2006 by Bob Norman

http://www.dailymail.co.uk/pages/live/articles/news/news.html?in_article_id=413456&in_page_id=1770

Australian scientists unveiled three test-tube koala cubs today as part of an artificial insemination programme to preserve the vulnerable mammal.
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The koalas were conceived using a new breeding technology that uses sperm mixed with a special solution to prolong the sperm's shelf-life