Animal Science Journal (a continuation of Animal Science and Technology) is the official journal of the Japanese Society of Animal Science (JSAS). The Journal publishes Original Articles (full papers and rapid communications) and Review Articles in English in all fields of animal and poultry science: genetics and breeding, genetic engineering, reproduction, embryo manipulation, nutrition, feeds and feeding, physiology, anatomy, environment and behavior, animal products (milk, meat, eggs and their by-products) and their processing, and livestock economics. Publication in the Journal is open to those who are interested in animal science, to the members of JSAS and to the Journal's subscribers.