The demand for animal industry product is anticipated to increase more rapidly in Japan. But it is not so feasible to meet this demand completely, because the world food demand will explosively increase within this half century owing to population increase and improvement of the living standard. The high cost and shortage of animal industry products have been acute recently. Soybean, therefore, will play an increasingly greater part in supplying substitutional materials in the animal and fishery industries, though it may also still continue to be an important material in traditional foods.