抄録
A survey on the number of animals used in experiments including bioassay, diagnosis, education and preparation of biological agents such as vaccines between April 1986 and March 1987 was conducted. Out of 917 universities, institutes, hosipitals, testing laboratories and companies, 433 replies were received. The distribution of the number of animals is shown in the following tables : Number of Animals Used in Experiments in 1986 and 1981
