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.
Animal repellent effective, such as repellent chemical Spray, electronic pet barrier, motion activated sprinkler etc. In Addition, vinegar can be used as organic pet repellent. The ideal repellent is completely specific for the target animal; that is, it drives away the animal that one wishes to repel "without" affecting or harming any other animals or people. One type of animal repellent may be effective for raccoons, while another animal repellent may be more effective for skunks. It can be difficult to design a repellent method that drives away only undesirable animals while having no effect on people or other creatures. Animal repellent