Clinical examinations of the Japanese monkey (Macaca fuscata)

Since 1962 clinical examinations have been performed on all 466 Japanese monkeys from the troops of the western part of Japan.During the external inspection we found a few cases of malformation of the hand and foot in some troops, but except for these they were in good physical condition, negative in tuberculin test and in Shigella and Salmonella infection.In all troops a high rate of helminthic infection was detected and there was a difference in the rate of occurrence of certain helminths betweenMacaca fuscata fuscata andM. fuscata yakui.No single case with the antibody to the B Virus was encountered, and it seems that no infection of the B Virus is present among the Japanese monkey.The free-ranging condition under which the Japanese monkey inhabits in troops seems to be satisfactory and they seem to have no serious problem of any kind at present.