Sika deer and established woodlands, and public and private forestry bodies adopt policies of rigorous year-round culling. The main predators of sika deer include tigers, wolves, leopards, and brown bears. Lynx and golden eagles target fawns. Velvet antler (dried immature antlers) is a popular ingredient in traditional Chinese medicine, and sika in China were domesticated long ago for the antler trade, along with several other species. In Taiwan, both Formosan sika deer and Formosan sambar deer ("Cervus unicolor swinhoei") have been farmed for velvet antlers. Japan is the only country in eastern Asia where sika deer were not farmed for velvet antlers.
Sika Manu Sika Manu Viliami Sikalamu "Sika" Manu (born 22 January 1987) is a rugby league footballer who plays for Hull F.C. in the European Super League. He previously played for the Melbourne Storm (with whom he won the 2012 NRL Premiership) and the Penrith Panthers in the National Rugby League. He was also a member of the World Cup winning New Zealand team who beat Australia in the 2008 World Cup Final. Manu's position of choice is in the . He was born in Wellington, New Zealand. Manu is of full Tongan descent and as a result is eligible both for