1, experimental animal breeding: experimental animal breeding research experimental animal genetic improvement and genetic control, and wild animals and livestock of experimental animals. 2, experimental animal medicine: experimental animal medicine specialized experimental animal diseases diagnosis, treatment, prevention and it how in biomedical application science. 3 and comparative medical: comparative study of all animals, including man the similarities and differences between the basic life phenomenon. 4, experimental animal ecology: experimental animal living environment and conditions, such as animals houses, animal facilities, ventilation, temperature, humidity, light and noise, cage with, feed, water and various mat makings. 5, animal experiment technology: the study of animal experiments various operating technology and experimental methods, including experimental animal raising management technology and itself of various monitoring technology, etc.