%0 Conference Proceedings %T Effect of semi-arid native fennel (Foeniculuim vulgare) essential oil on in vitro gas production parameters of various ruminant fiber source feeds %A Danesh Mesgaran, Mohsen %A الهام جانی %A Vakili, Seyed Alireza %A اکبر سلیمانی %J 62nd Annual Meeting of the EAAP %D 2011