Japanese zoo culls 57 snow monkeys with 'invasive alien' genes b

http://www.telegraph.co.uk/news/2017/02/22/japanese-zoo-culls-57-snow-monkeys-invasive-alien-genes-lethal/

http://www.dailymail.co.uk/sciencetech/article-4244790/Japan-zoo-culls-57-monkeys-carrying-invasive-genes.htm

Read more: http://www.dailymail.co.uk/sciencetech/article-4244790/Japan-zoo-culls-57-monkeys-carrying-invasive-genes.html#ixzz4ZTlrubkC