An overview of the transfer of radionuclides to farm animals and potential countermeasures of relevance to Fukushima releases

Beresford, Nicholas A.; Howard, B.J.

doi:10.1002/ieam.235

Cited by 11 publications

(6 citation statements)

References 15 publications

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“…This factor is defined as the equilibrium ratio between the radionuclide activity concentration of meat and the daily dietary intake of radionuclide; 23) this value is stated in units of dayÁkg À1 . The International Atomic Energy Agency (IAEA) has estimated the F f values for radiocesium in beef cattle.…”

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confidence: 99%

Radiocesium Distribution in the Tissues of Japanese Black Beef Heifers Fed Fallout-Contaminated Roughage Due to the Fukushima Daiichi Nuclear Power Station Accident

Sasaki¹,

Hayashi²,

Narita³

et al. 2012

Bioscience, Biotechnology, and Biochemistry

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confidence: 99%

Radiocesium Distribution in the Tissues of Japanese Black Beef Heifers Fed Fallout-Contaminated Roughage Due to the Fukushima Daiichi Nuclear Power Station Accident

Sasaki¹,

Hayashi²,

Narita³

et al. 2012

Bioscience, Biotechnology, and Biochemistry

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“…Beresford and Howard (2011) reported that inhalation and water intake by animals were the most important routes in the early phase of the nuclear accident. However, …”

Section: Discussionmentioning

confidence: 99%

Effects of “Clean Feeding” Management on Livestock Products Contaminated with Radioactive Cesium Due to the Fukushima Daiichi Nuclear Power Plant Accident

Manabe

Takahashi

Endo

et al. 2016

Agricultural Implications of the Fukushima Nuclear Accident

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Contamination of food and animal products by radioactive cesium represents an important potential route of exposure in the human food chain. Therefore, following the Fukushima Daiichi nuclear power plant accident, the development of solutions for radiocesium contamination is a serious social issue in Japan. Most farm animals are kept in closed barns in Japan; this reduced the initial contamination of animal products by radioactive nuclides in the early phase of the accident. Furthermore, pigs and chickens were given imported feed that was not contaminated. However, more than 10 million tons of grass feed were needed for herbivorous livestock in Japan. We report the effects of "clean feeding" management on livestock products contaminated with radioactive cesium due to the nuclear accident. The present results concerning products from herbivores (horses, sheep, and cattle) revealed that radiocesium levels were undetectable in the meat or milk of herbivores that fed on non-contaminated feed after an initial period of consuming radiocesium-contaminated feed. Thus, we conclude that N. Manabe (*)

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“…Beresford and Howard ( 2011 ) reported that inhalation and water intake by animals were the most important routes in the early phase of the nuclear power plant accident. However, in the Animal Resource Science Center (140 km south-west from the Fukushima Daiichi nuclear power plant), the concentration of radionuclide contamination in the air was not at a detectable level 2 months after the accident.…”

Section: Discussionmentioning

confidence: 99%

Changes in the Transfer of Fallout Radiocaesium from Pasture Harvested in Ibaraki Prefecture, Japan, to Cow Milk two Months After the Fukushima Daiichi Nuclear Power Plant Accident

Manabe

Takahashi

et al. 2013

Agricultural Implications of the Fukushima Nuclear Accident

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Changes in the radioactivity of 131 I, 134 Cs, and 137 Cs in milk produced by cows given pasture that was contaminated with these radioactive nuclides caused by the Fukushima Daiichi nuclear power plant accident on 11 March 2011, were examined between 16 May and 26 June 2011. Pasture (Italian ryegrass) was seeded on September 2010, and cultivated in the Animal Resource Science Center of the University of Tokyo (about 140 km south-west of the power plant). Pasture was harvested 2 months after the accident and prepared for fermented grass forage (haylage). The cows examined were born and kept in the Animal Resource Science Center and were given commercial mixed feed (total mixed ration forage: TMR) that contained no radioactive 131 I, 134 Cs, or 137 Cs, for 2 weeks before being examined. They were given haylage and TMR (10 and 25 kg/600 kg of body weight/day, respectively) for 2 weeks, and then were given only TMR (35 kg/600 kg of body weight/day) for 2 weeks. During the examination, milk was collected twice a day and mixed in each cow. The weight and radioactivity of 131 I, 134 Cs, and 137 Cs of the mixed milk in each cow were measured daily. No radioactive 131 I was detected in either the milk or haylage. The radioactivity of 134 Cs and 137 Cs contained in the mixed feed of haylage and TMR was 380 Bq/kg (radiocesium radioactivity was represented as total concentrations of 134 Cs and 137 Cs). Radiocesium radioactivity concentrations in the milk rapidly increased to 30 Bq/kg after 4 days from the start of feeding and equilibrated to 36 Bq/kg after 12 days. After that, cows were given TMR containing no radiocesium, and radioactivity concentrations of radiocesium in the milk rapidly decreased. Two weeks after stopping radiocesium feeding, radioactivity concentrations were less than 5 Bq/kg (background level). In summary, when the cow (approximately 600 kg of body weight) was given feed with radioactive 134 Cs and 137 Cs (12,600 Bq/600 kg body weight/day), 5.71% of 134 Cs and 137 Cs was secreted into the milk (720 Bq/20 kg milk/day). Radioactivity concentrations of radiocesium in the milk were lower than new standard (50 Bq/kg) of Japan.

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An overview of the transfer of radionuclides to farm animals and potential countermeasures of relevance to Fukushima releases

Cited by 11 publications

References 15 publications

Radiocesium Distribution in the Tissues of Japanese Black Beef Heifers Fed Fallout-Contaminated Roughage Due to the Fukushima Daiichi Nuclear Power Station Accident

Radiocesium Distribution in the Tissues of Japanese Black Beef Heifers Fed Fallout-Contaminated Roughage Due to the Fukushima Daiichi Nuclear Power Station Accident

Effects of “Clean Feeding” Management on Livestock Products Contaminated with Radioactive Cesium Due to the Fukushima Daiichi Nuclear Power Plant Accident

Changes in the Transfer of Fallout Radiocaesium from Pasture Harvested in Ibaraki Prefecture, Japan, to Cow Milk two Months After the Fukushima Daiichi Nuclear Power Plant Accident

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