青森県六ヶ所村及びその周辺市町村における家畜の飼料給与量

概要

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We collected natural and sociological environmental data related to the estimation of radiation dose by radionuclides that will be released from nuclear power facilities in Rokkasho Village. The consumption rate of livestock feed eaten by domestic animals is an important factor for the estimation of radioactive material transfer to the animals. We surveyed the amount of livestock feed in and around Rokkasho Village by means of questionnaires to stockbreeding farmers. The questionnaires were distributed to 90 farmers who kept one of five kinds of domestic animals or poultry; milking cattle, beef cattle, hogs, broilers and laying hens. Several farming companies were also included as subjects. Recovery of the questionnaires was 59%. The hogs, broilers and laying hens were fed compound feeds consisting of imported materials. The feed for milking cattle and beef cattle consisted of grass, field corn and other concentrates. The consumption rates of grass and field corn for dairy cattle were 20.4 kg-fresh d^-1 and 6.8 kg-fresh d^-1, respectively. The grass and field corn consumption rates for beef cattle were 3.1 kg-fresh d^-1 and 0.5 kg-fresh d^-1, respectively. All of these rates are lower than those used for dose assessment of the reprocessing plant, which is now under construction in Rokkasho Village.
日本保健物理学会の論文