検疫中に斃死した医用カニクイザルMacaca fascicularisより見出された寄生蠕虫とその知見から指摘された疫学的問題点

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A crab-eating macaque (Macaca fascicularis) is an experimental animal used in medical science field, and over than 5,000 macaque individuals are consuming a year in Japan. In general, the macaques were caught in several South-East Asian countries, viz., Indonesia, Vietnam, Cambodia etc, and they were kept in a captive facility of a southern part of China. And then, according to the Japanese animal quarantine regulation since 2000, the imported animals should be quarantined for at least 30 days. Since 2007, I have been consulted from a veterinary officer belonging to an experimental animal supplying company in Japan with helminths and/or helminthiasis obtained/found from the macaques during the quarantine period. In this paper, 5 cases including the genera Bertiella (Cestoda), Paragonimus (Trematoda), Dipetalonema (Nematoda), Oesophagostomum (Nematoda) and Porocephalus (Linguatulida) are presented, and its epidemiological issues are discussed briefly. The present morphological examination has been supported in part by a Grant-in-Aid (No. 20380163) from the Ministry of Education, Science and Culture, Japan.