New Zealand established the first pastorally-based deer farms in the world in 1970, and remains the world's largest and most advanced extensive deer farming industry.
Waste derived from human activitirs, such as rapeseed placentiform from the extraction of rape oil;fruit faeces from the extraction of fruit juice;chicken excrement from the scall farming of chickens.
The dairy farming in Hokkaido has beeing developed rapidly since 50's in twertieth century, the scale of daing farm has beeing extended constantly while the family number of dairy farmer is decreased.