title: Radiocaesium contamination of wild boars in Fukushima and surrounding regions after the Fukushima nuclear accident.
abstract: Analysis of radioactivity data obtained under the food monitoring campaign in Japan indicates that elevated134Cs+137Cs activity concentrations in wild boar meat remained constant or slowly decreased in Fukushima and surrounding prefectures from 2011 to 2015. The activity concentrations in some samples are still over the regulatory limit of 100 Bq kg-1fresh weight, even in 2015. Activity concentrations of137Cs in muscle of wild boars we captured in 2011 were higher than those in kidney, liver, spleen, heart and lung. A food processing retention factor, Fr, was 0.5 or 0.6 for137Cs when the wild boar meat was boiled, suggesting that a parboiling process is effective for reduction of radiocaesium intake from wild boar meat.
authors.affiliation: Fukushima Project Headquarters, National Institute of Radiological Sciences, National Institutes for Quantum and Radiological Science and Technology, 4-9-1 Anagawa, Inage-ku, Chiba 263-8555, Japan. Electronic address: fuma.shoichi@qst.go.jp.
authors.forename: Shoichi
authors.initials: S
authors.lastname: Fuma
authors.affiliation: Fukushima Project Headquarters, National Institute of Radiological Sciences, National Institutes for Quantum and Radiological Science and Technology, 4-9-1 Anagawa, Inage-ku, Chiba 263-8555, Japan.
authors.forename: Yoshihisa
authors.initials: Y
authors.lastname: Kubota
authors.affiliation: Hokkaido University of Education Kushiro Campus, 1-15-55 Shiroyama, Kushiro, Hokkaido 085-8580, Japan.
authors.forename: Sadao
authors.initials: S
authors.lastname: Ihara
authors.affiliation: Tokyo Nuclear Services Co., Ltd., Sorimachi Building, 1-3-5 Taito, Taito-ku, Tokyo 110-0016, Japan.
authors.forename: Hiroyuki
authors.initials: H
authors.lastname: Takahashi
authors.affiliation: Fukushima Project Headquarters, National Institute of Radiological Sciences, National Institutes for Quantum and Radiological Science and Technology, 4-9-1 Anagawa, Inage-ku, Chiba 263-8555, Japan.
authors.forename: Yoshito
authors.initials: Y
authors.lastname: Watanabe
authors.affiliation: Fukushima Project Headquarters, National Institute of Radiological Sciences, National Institutes for Quantum and Radiological Science and Technology, 4-9-1 Anagawa, Inage-ku, Chiba 263-8555, Japan.
authors.forename: Tatsuo
authors.initials: T
authors.lastname: Aono
authors.affiliation: Fukushima Project Headquarters, National Institute of Radiological Sciences, National Institutes for Quantum and Radiological Science and Technology, 4-9-1 Anagawa, Inage-ku, Chiba 263-8555, Japan.
authors.forename: Haruhi
authors.initials: H
authors.lastname: Soeda
authors.affiliation: Department of Management and Planning, National Institutes for Quantum and Radiological Science and Technology, 4-9-1 Anagawa, Inage-ku, Chiba 263-8555, Japan.
authors.forename: Satoshi
authors.initials: S
authors.lastname: Yoshida
mesh_terms: D000818:Animals; D002588:Cesium Radioisotopes / Q000032:analysis*; D062406:Fukushima Nuclear Accident; D007564:Japan; D007668:Kidney / Q000737:chemistry; D008099:Liver / Q000737:chemistry; D008168:Lung / Q000737:chemistry; D008460:Meat / Q000032:analysis; D009206:Myocardium / Q000737:chemistry; D011834:Radiation Monitoring; D013154:Spleen / Q000737:chemistry; D034421:Sus scrofa; D013552:Swine
chemical_list: D002588:Cesium Radioisotopes
keywords: Cooking; Food; Game; Hunting; Monitoring; Organ